Selected Referred Scientific Publications:
Erwin J, R O’Connell, and K Altman. 2017. Photoperiod, irradiance and temperature affect Echinopsis ‘Rose Quartz ‘ flowering. HortScience (in press).
Erwin, J, K Altman, and F Esqueda. 2016. Temperature impacts on cactus and succulent development rate. HortTechnology (in press).
Cave, RL, GL Hammer, G McLean, CJ Birch, JE Erwin, and ME Johnson. 2013. Modelling temperature, photoperiod and vernalization responses of Brunonia australis (Goodeniaceae) and Calandrinia sp. (Portulacaceae) to predict flowering time. Ann. Bot., 111(4):629-639.
Cave, RL, JE Erwin, GL Hammer, and ME Johnson. 2012. An experimental approach for developing seed lines of new Australian native flowering pot plants. Acta Hort, 93:37-43.
Fisher, PR, ES Runkle, MG Blanchard, JE Erwin, and B MacKay. 2012. FlowersOnTime: A computer decision-support tool for floriculture crop producers. J of Ext., 50(5): 5TOT5.
Currey CJ, Erwin JE. 2012. Foliar applications of plant growth regulators affect stem, elongation and branching of 11 Kalanchoe species. HortTech, 22:338-344.
Cave RL, Birch CJ, Hammer GL, Erwin JE, Johnston ME. 2011. Juvenility and flowering of Bruonia australis (Goodeniaceae) and Calandrinia sp. (Portulacaceae) in relation to vernalization and daylength. Ann Bot, 108:215-220.
Currey CJ, Erwin JE. 2011. Photosynthetic daily light integral impacts growth and flowering of several Kalanchoe species. HortTech, 21:98-102.
Thompson DI, Mtshali NP, Ascough GD, Erwin JE, Van Staden J. 2011. Flowering control in Watsonia: effect of corm size, temperature, photoperiod and irradiance. Scientia Hort, 129:493-502.
Cave RL, Birch CJ, Hammer GL, Erwin JE, Johnston ME. 2011. Cardinal temperatures and thermal time for seed germination of Bruonia australis (Goodeniaceae) and Calandrinia sp. (Portulacaceae). Hortscience, 46:753-758.
Currey CJ, Erwin JE. 2011. Photoperiodic flower induction of several Kalanchoe species and ornamental characteristics of flowering species. Hortscience, 46:35-39.
Rohwer, C.L. and J.E. Erwin. 2010. Spider mites ( Tetranychus urticae) perform poorly and disperse from plants exposed to methyl jasmonate. Ento Expt Applicata; 10: 1-10.
Currey, C. and J.E. Erwin. 2010. Variation among Kalanchoe species flowering responses to day/night length and short-day cycle number. J Hort Sci and Biotech., 85(4):350-354.
Cave, RL, CJ Birch, GL Hammer, JE Erwin, ME Johnson. 2010. Floral ontogeny of Brunonia (Goodeniaceae) and Calandrinia sp. (Portulacaceae). Aust. J. Bot., 58: 1-9.
Ascough, G., J.E. Erwin, and J. van Staden. 2009. Micropropagation of Iridaceae – a review. Plant Cell Tiss Organ Cult. 97 (1):1-19.
Erwin, J.E. 2009. Looking for new ornamentals: Flowering studies. Acta Hort. 813:61-66.
Erwin, J.E. 2009. Cacti and Succulents: Studies on Introducing a New Group of Ornamental Plants. Acta Hort. 813:359-364.
Ascough, GD., O Navak, A Pencik, J Rolick, M Strand, JE Erwin, and J van Staden. 2009. Hormonal and cell division analysis in Watsonia lepida seedlings. J. Plant Physiol. 166(14):1497-1507.
Zanin, P., and J.E. Erwin. 2008. Responses of Salvia spp. To photoperiod and irradiance at different times in a production cycle. Acta Hort.
Ascough, G.D., J.E. Erwin, and J. van Staden. 2008. Reduced temperature, elevated sucrose, continuous light and gibberellic acid promote corm formation in Watsonia vanderspuyiae. Plant Cell Tiss Organ Cult 95:275-283.
Ascough, GD, J.E. Erwin, and J van Staden. 2008. Effectiveness of colchicine and oryzalin at inducing polyploidy in Watsonia lepida N.E. Brown. Hortscience, 43:1-5.
Rohwer, C.L. and J.E. Erwin, J. 2008. Horticultural application of jasmonates: a review. J. Hort. Sci. and Biotech. 83:283-304.
Ascough, GD, Erwin, JE, van Staden J. 2008. Biotechnology and ornamental Horticulture. South Afric. J. Bot. 74:357.
Ascough, G.D., J. Erwin, and J. van Staden. 2007. In vitro propagation of four Watsonia species. Plant, Cell, Tiss., Organ Cult., 88:135-145.
Ascough, JE Erwin, J Van Staden. 2007. Botanical nepotism – keeping storage organ formation in the family. South African J. of Bot., 73(2):277.
Erwin, J.E., C. Rohwer, and E. Gesick. 2006. Red:far red and photosynthetically active radiation filtering by leaves differs with species. Acta Hort. 711:195-200.
Rohwer, C., and J.E. Erwin. 2006. Impact of irradiance and photoperiod on methyl jasmonate production in Artemesia spp. Acta Hort 711:375-380.
Warner, R., and J.E. Erwin. 2006. Prolonged High Temperature Exposure Differentially Reduces Growth and Flowering of Twelve Viola × wittrockiana Gams. cvs. Scientia Hort. 108:295-302.
Warner, R., and J.E. Erwin. 2005. Naturally-occurring variation in high temperature induced floral bud abortion across Arabidopsis thaliana accessions. Plant, Cell and Environ, 28:1255-1266.
Warner, R., and J.E. Erwin. 2005. Prolonged high temperature exposure and daily light integral impact growth and flowering of five herbaceous ornamental plant species. J. Amer. Soc. Hort. Sci.,130(3):319-325.
Mattson, N., and J.E. Erwin. 2005. The impact of photoperiod and irradiance on flowering of several herbaceous ornamentals. Scientia Hort. 104:275-292.
Van Gaal, T., and J.E. Erwin. 2005. Diurnal variation in thigmotropic inhibition of stem elongation. Hortech., 15(2):291-294.
Warner, R., and J.E. Erwin. 2003. Effect of photoperiod and daily light integral on flowering of five Hibiscus L. spp. Scientia Hort, 97:341-351.
Warner, R., and J.E. Erwin. 2003. Effect of plant growth retardants on Hibiscus spp. stem elongation. HortTech., 13(2):293-295.
Erwin, J.E., A. Smith and R. Warner. 2002. Interaction between photoperiod, GA3 and vernalization time on flowering of Raphanus sativus. Physiol. Plant., 115:298-302.
Erwin, J.E., and R.M. Warner. 2002. Determination of photoperiodic response group and effect of supplemental irradiance on flowering of several bedding plant species. Acta Hort., 580:95-99.
Warner, R., and J.E. Erwin. 2002. Photosynthetic responses of heat-tolerant and heat sensitive cultivars of Impatiens hawkeri and Viola wittrockiana to high temperature exposures. Acta Hort., 580:215-219.
Warner, R., and J.E. Erwin. 2002. Estimation of total canopy photosynthetic capacity of roses grown under two canopy management systems. Acta Hort., 580:89-93.
Warner, R., and J.E. Erwin. 2001. Variation in floral induction requirements of Hibiscus spp. J. Amer. Soc. Hort. Sci., 126:262-268.
Cutlan, A., J. E. Simon, L. Bonilla, and J.E. Erwin. 2000. Variation in parthenolide content among feverfew (Tanacetum parthenium L.). Plant Medica., 66:612-617.
Erwin, J.E. 1998. Temperature and light effects on plant stem elongation. J. Jap. Soc. Hort. Sci., 67(6):1113-1120.
Erwin, J.E. and G. Engelen-Eigles. 1998. Influence of simulated shipping and rooting temperature and production year on Easter lily (Lilium longiflorum Thunb.) development. Journal of the American Society for Horticultural Science 123:230-233.
Engelen-Eigles, G., and J.E. Erwin. 1997. A model plant for vernalization studies. Scient. Hort. 70:197-202.
Reese, Cheryl R., and J.E. Erwin. 1997. The effect of day/night temperature on Pharbitis nil Chois flowering. HortScience. 32:1046-1048.
Erwin, J.E. 1997. Factors affecting Clematis rooting. HortTech, 7:408-410.
Erwin, J.E., Glomsrud, N., T. Vikor, R. Moe, and P. Etzel. 1997. Cutting position, leaf removal and time of year affects Rosa axillary shoot development. Scientia Hort., 68:157-170.
Moe, R., J. E. Erwin, and W. Carlson. 1996. Factors affecting Gerbera jamesonii early seedling branching and mortality. HortTechnology, 6(1):59-61.
Hellewell, K.B., D.D. Stuthman, A.H. Markhart III, and J.E. Erwin. 1996. Day and night temperature effects during grain filling in oat. Crop Science, 36:624-628.
Erwin, J.E. 1996. Temperature and photoperiod affect cactus scion necrosis. HortTech., 6:393-396.
Erwin, J., and R. Heins. 1995. Thermomorphogenic responses in stem and leaf development. Hortscience, 30:940-949.
Erwin, J.E., P. Velguth, and R.D. Heins. 1994. Day/night temperature environment affects Lilium longiflorum cell morphology., J. Expt. Bot.45:1019-1025.
Erwin, J.E., R.D. Heins, and J. Faust. 1993. Thermomorphogenic and photoperiodic responses of Nephrolepis exaltata cv 'Dallas Jewel'. Hortscience, 28(3):182-184.
Erwin, J.E., R.D. Heins, W. Carlson, and S. Newport. 1992. Mini Review: Diurnal temperature fluctuations and mechanical manipulation affect plant stem elongation. PGRSA Quarterly, 20(1):1-17.
Erwin, J. 1992. Physiological basis for day/night temperature regime (DIF) effects on stem elongation. Nordiska Jordbruksforskares Forening, NJF-Utredning/Rapport NR 77: Regulering av plantenes morfogenese.
Erwin, J.E., R.D. Heins, and R. Moe. 1991. Temperature and photoperiod effects on Fuchsia x hybrida stem elongation. J. Amer. Soc. Hort. Sci., 116(6):955-960.
Moe, R., R.D. Heins, and J.E. Erwin. 1991. Stem elongation and flowering of the long-day plant Campanula isophylla Morettii. in response to day and night temperature alterations and light quality. Scient. Hort., 48:141-151.
Erwin, J.E., and R.D. Heins. 1990. Temperature effects on lily development rate and morphology from the visible bud stage until anthesis. J. Amer. Soc. Hort. Sci.,115:644-646.
Berghage, R.D., R.D. Heins, M.G. Karlsson, J. Erwin, and W. Carlson. 1989. Pinching technique influences lateral shoot development in poinsettia. J. Amer. Soc. Hort. Sci., 114(6):909-914.
Erwin, J.E., R.D. Heins, and M.G. Karlsson. 1989. Thermomorphogenesis in Lilium longiflorum, Thunb., Amer. J. Bot., 76:47-52.
Karlsson, M.G., R.D. Heins, J.E. Erwin, R.D. Berghage, W.H. Carlson, and J.A.Biernbaum. Irradiance and temperature effects on time of development and flower size in chrysanthemum. Scient. Hort., 39:257-267.
Karlsson, M.G., R.D. Heins, J.E. Erwin, and R.D. Berghage. 1989. Development rate during four stages of chrysanthemum growth determined by preceding and prevailing temperatures. J. Amer. Soc. Hort. Sci., 114(2):234-240.
Karlsson, M.G., R.D. Heins, J.E. Erwin, R.D. Berghage, W.H. Carlson, and J.A. Biernbaum. 1989. Temperature and photosynthetic photon flux influence Chrysanthemum shoot development and flower initiation under short day conditions. J. Amer. Soc. Hort.
Sci., 114:158-163.
Karlsson, M.G., R.D. Heins, and J.E. Erwin. 1988. Quantifying temperature controlled leaf unfolding rates in Lilium longiflorum Thunb. 'Nellie White', J. Amer. Soc. Hort. Sci., 113:70-74.
Un-Refereed Scientific Publications:
Wilkins, H.F., and J. E. Erwin. 1997. Necessary considerations to introduce new taxa. III International Symposium on New Floriculture Crops. Perth, Western Australia, Acta Hort..
Berghage, R.D., J.A. Flore, R.D. Heins, and J.E. Erwin. 1990. The relationship between day and night temperature influences photosynthesis but not light compensation point or flower longevity of Easter lily, Lilium longiflorum Thunb., Acta Hort., 272:91-95.
Berghage, R.D., R.D. Heins, and J.E. Erwin. 1990. Quantifying leaf unfolding in the poinsettia. Acta Hort., 272:243-247.
Erwin, J.E., R.D. Heins, R.D. Berghage, and B. Kovanda. 1990. Temperature effects Schlumbergera truncata 'Madisto' flower initiation. Acta. Hort., 272:97-101.
Erwin, J.E., R.D. Heins, R. Berghage, and B.J. Kovanda. 1990. Thermomorphogenesis and photoperiodic responses of Nephrolepis exaltata 'Dallas Jewel', Acta Hort., 272:249-254.
Heins, R.D., M.G. Karlsson, J.E. Erwin, M.K. Hausbeck, and S.H. Miller. 1984. Interaction of CO2 and environmental factors on crop responses. Acta. Hort., 162:21-28.
Book Chapters:
Currey, C., D. Kopsell, N. Mattson, R. Lopez and J. Erwin. 2016. Chapter 15 – Supplemental and sole-source lighting of leafy greens, herbs, and microgreens. In Lighting Up Profits, Eds. Runkle, E.,and R. Lopez, 2nd. Ed., Meister Pub., Willoughby, OH. (in press).
Erwin, J., N. Mattson, and R. Warner. 2016. Chapter 10 – Light effects on annual bedding plants. In Lighting Up Profits, Eds. Runkle, E., and R. Lopez, 2nd. Ed., Meister Pub., Willoughby, OH. (in press).
Ascough, G.D., J. van Staden, and J.E. Erwin. 2008. In vitro storage organ formation on ornamental geophytes. Hort. Reviews. Ed. Jules Jannick.
Ascough, G., J. Van Staden, and J. Erwin. 2006. Watsonia. A. Teixeira da Silva (Ed.), Floriculture, Ornamental and Plant Biotechnology: Advances and topical issues, Global Science Books, London. Pp.
Erwin, J.E. 2006. Flower induction of ornamental plants. In. Flower Breeding and genetics: Issues, challenges. Anderson, N. Ed. 7-48.
Erwin, J.E. 2005. Flower induction in ornamental plants. In. Flower Seeds: Biology and technology. Ed.M.B. McDonald and F.Y. Kwong Eds.CABI Publishing, Cambridge, MA , USA. Pp. 87-116.
Erwin, J.E. 2004. Using Day length to control flowering. In: Lighting up your profits. Eds P. Fisher and E. Runkle. Greenhouse Grower Mag.
Warner, R., and J.E. Erwin. 2001. Temperature. In Tips on regulating growth of floriculture crops. C.A.Buck and S.A. Carver Eds, Ohio State Univ. Pub., pp. 10-17.
Erwin, J.E., and R.M. Warner 1999. Temperature. In Tips on Growing Bedding Plants, Ed. Harry Tayama, 4th. Ed., Ohio State Univ. Pub. Pp. 69-82.
Heins, R.D. and J.E. Erwin. 1999. Non-chemical control of bedding plant growth. In Tips on Growing Bedding Plants, Ed. Harry Tayama, 4th Ed., Ohio State Univ. Pub. Pp. 105-109.
Erwin, J.E. 1997. Fuchsia, In: Tips on Growing and Marketing Specialty Potted Plants. Ohio Florists Association, Columbus, OH. pp. 66-70.
Erwin, J.E. 1996. Light and Temperature, In: Tips on Growing and Marketing Garden Mums. Ohio Florists Association, Columbus, OH, pp. 36-42.
Erwin, J.E. 1995. Temperature and light effects on New Guinea impatiens growth. In New Guinea Impatiens: A Ball Guide, Ball Publishing, Batavia, IL, pp. 41-54.
Erwin, J.E. 1994. Asexual propagation of bedding plants. In Bedding Plants IV, Ed. J. Holcomb. Ball Publishing, pp. 363-378.
Barrett, J., and J.E. Erwin. 1994. Controlling bedding plant height. In Bedding Plants IV, Ed. J. Holcomb, Ball Publishing, pp. 197-214.
Erwin, J.E. 1993. Temperature effects on bedding plant growth. In Tips on Growing Bedding Plants, Ed. Harry Tayama, 3rd. Ed., Ohio State Univ. Pub. pp. 77-91.
Heins, R.D. and J.E. Erwin. 1993. Non-chemical control of bedding plant growth. In Tips on Growing Bedding Plants, Ed. Harry Tayama, 3rd Ed., Ohio State Univ. Pub. pp. 106-111.
Erwin, J.E. 1993. Poinsettia height control. In Poinsettias: Growing and Marketing. Ed. J. Martens and K. Pyle. Ball Publishing, Batavia, IL, pp. 22-30.
Erwin, J.E., and R.D. Heins. 1992. DIF: Control plant growth with temperature. Meister Publishing, Cleveland Ohio. (in Japanese).
Erwin, J.E., and R.D. Heins. 1992. DIF: Control plant growth with temperature. Meister Publishing, Cleveland Ohio. (in English).
Erwin, J.E. 1991. Control plant growth using temperature. Proc. Amer. Hydroponics. Soc., 1-6.
Erwin, J.E., R.D. Berghage, and D.A. Hopper. 1991. Light and temperature effects on geranium growth, In Geranium Tips, 2nd Ed., Ed. H Tayama, Ohio State Univ. Pub. 23-26.
Erwin, J.E., and R.D. Heins. 1991. Environmental effects on geranium growth. In. Geraniums IV, Ed. John White. Ball Pub. Inc., pp. 55-63.
Erwin, J.E. 1991. Nephrolepis exaltata 'Bostoniensis'. In: GrowerTalks on crop culture. Geo. J. Ball. Pub., Chicago, IL. pp. 155-156.
Erwin, J.E., and R. Heins. 1990. Research Update: Don't use B-Nine on your vegetable plugs- it's illegal. Try temperature for height control. In GrowerTalks on Plugs, Geo J. Ball, Pub., West Chicago, IL., pp..99-100.
Abstracts:
Erwin, J. 2016. Temperature and irradiance affects photoperiodic flower induction. ISHS Symposium on Lighting in Controlled Environments, East Lansing, MI.
Erwin, J., Carlson, J., L. Perkus, J. Slavin, C. Rosen. 2016. Day/night temperature regime affects photosynthetic responses to irradiance and carbon dioxide, and mineral, vitamin and fiber content of several vegetable crops. ISHS Symposium on Lighting in Controlled Environments, East Lansing, MI.
Carlson, J., L. Perkus, J. Slavin, C. Rosen, J. Erwin. 2015. Effect of day and night temperature on Red Russian kale mineral nutrient, Vitamin C and fiber Content. Hortscience., 50(9): 147.
Erwin, J., E. Gesick. 2015. Photosynthetic responses of “Specialty Greens” to irradiance and carbon dioxide. Hortscience. 50(9): 150-151.
Perkus, L., J. Erwin, C. Rosen, J. Slavin, J. Carlson, and G. Schweser. 2015. Winter produce potential in conventional and “Deep Winter” greenhouses in the Upper Midwest. Hortscience. 50(9): 152-153.
Erwin, J., E. Gesick, K. Altman and R. O’Connell. 2015. Plant growth regulator and temperature affect Echeveria and Andromischus leaf cutting rooting and axillary shoot formation. Hortscience. 50(9):235.
Erwin, J., E. Gesick, K. Altman and F. Esqueda. 2015. Temperature affects cacti and succulent development rate. Hortscience, 50(9): 299-300.
Perkus, L., J. Carlson, J. Slavin, J. Erwin, C. Rosen, G. Schweser. 2015. Day/night temperature effects on kale photosynthesis and leaf morphology. Hortscience, 50(9):320.
Rogers, M., E. Perkus, J. Carlson, C. rosen, J. Grossman, J. Slavin, and J. Erwin. 2015. Organic fertilizers for greenhouse production of day-neutral strawberries. Hortscience, 50(9): 329-330.
Perkus, E., J. Grossman, C. Rosen, M. Rogers, J. Slavin, J. Carlson, and J. Erwin. 2015. Soil nutrients, nitrogen mineralization, and microbial biomass in organically fertilized potting media under greenhouse conditions. Hortscience, 50(9): 330.
Erwin, J., E. Gesick, and K. Altman. 2015. Photoperiod and irradiance affect Monadenium coccineum flowering. Hortscience, 50(9): 385-386.
Carlson, J., L. Perkus, J. Slavin, C. rosen, and J. Erwin. 2015. Photoperiod and irradiance affect Red Russian kale leaf nutrient content. Hortscience, 50(9): 395.
Carlson, J., L. Perkus, J. Slavin, C. Rosen, J. Grossman, M. Rogers, and J. Erwin. 2015. Fertility treatment affects vitamin C, fiber, and total nitrogen content in mizuna and red giant mustard. Hortscience, 50(9): 396-397.
Boldt, J., and J. Erwin. 2014. Development of photosynthetic response curves and their integration into decision-support tool for floriculture growers. Hortscience.
Boldt, JK, Erwin JE, Meyer MH. 2011. Temperature and irradiance influence foliar Solenostemon scutellarioides (L.) Codd. (coleus) and Panicum virgatum L. (switchgrass) anthocyanin content. 6th International Workshop on Anthocyanins.
Boldt, JK, Erwin JE, Meyer MH. 2011. Foliar anthocyanin content in Solenostemon scutellarioides (L.) Codd. and Panicum virgatum L. varies with irradiance, temperature, and cultivar. HortScience 46(9):S104-105.
Boldt, J.K., E.Y. Gesick, Meyer MH, Erwin JE. 2011. Characterization of photosynthetic responses of 13 herbaceous ornamentals to irradiance and CO2. HortScience 46(9):S146.
Boldt JK, Gesick EY, Meyer MH, Erwin JE. 2011. Alternative periodic energy-efficient light and temperature strategies for herbaceous ornamental production. HortScience 46(9):S354.
Erwin, JE. 2011. Plant Hormones: their roles and application in plant stress mitigation. HortScience 46(9): S59.
Hensley JO, Erwin JE. 2011. Evaluation of 75 species for survival and vigor on a rooftop in the northern United States. Hortscience, 46(9): S141.
Erwin, JE. 2011. Government strategies to promote horticulture in urban communities. Hortscience 46(9):
High, LL. Erwin, JE, Krebs SL, Hokanson SC. 2011. Factors influencing simultaneous floral and vegetative budbreak in Rohdodendron sbg. Hymenanthes. S261.
Boldt JK, Erwin JE, Meyer MH. 2011. Temperature and irradiance influence foliar Solenostemon scutellaroides (L.) Codd. (coleus) and Panicum virgatum L. (switchgrass) anthocyanin content. 6th International Workshop on anthocyanin. 68.
Currey, C.J. and J.E. Erwin. 2010. Photoperiod effects on flowering of Kalanchoe species with ornamental potential. XXVIIIth International Horticultural Congress, Lisbon, Portugal. August 26th, 2010.
Erwin, J., E. Gesick, B. Dill and C. Rohwer. 2006. Photoperiod, Irradiance and Cool Temperature Effects on Gymnocalycium, Rebutia, Lobivia, Sulcorebutia spp. growth and flowering. Hortscience.
Erwin, J., E. Gesick, B. Dill and C. Rohwer. 2006. Photoperiod, irradiance and/or cool temperature effects on Mamillopsis senilis, Echinopsis hybrid, and Trichocereus hybrid growth and flowering. Hortscience.
Erwin, J., E. Gesick, B. Dill and C. Rohwer. 2006. Photoperiod, irradiance and/or cool temperature effects on Lobivia x Chamaecereus hybrid ‘Rose Quartz’ flowering. Hortscience.
Rohwer, C., and John E. Erwin. 2005. Impact of irradiance and photoperiod on methyl jasmonate production in Artemesia spp. and Arabidopsis thaliana. International Society of Horticultural Sciences Lighting Conference (Lillehammer, Norway).
Erwin, J.E., E. Gesick and C. Rohwer. 2005. Irradiance response curves for flower induction. International Society of Horticultural Sciences Lighting Conference (Lillehammer, Norway).
Erwin, J.E., and C. Rohwer. 2005. Red:far red and photosynthetically active radiation by leaves differs with species. International Society of Horticultural Sciences Lighting Conference (Lillehammer, Norway).
Mtshali, NP., DI Thompson, J. Erwin, and J van Staden. 2005. The influence of temperature, photoperiod and irradiance on flowering of Watsonia species. South African Assoc. Bot.
Ascough, G., J. Erwin and J. van Staden. 2005. Micropropagation of Watsonia – getting to the root of the problem. South African Assoc. Bot.
Erwin, J.E. 2003. Screening techniques for rapid determination of juvenile period length and environmental flowering requirements of floriculture crops. ISHS Symposium on New Ornamental Crops, Iguasu Falls, Brazil
Erwin, J.E. 2003. Identifying species potential as commercial floriculture crops. ISHS Symposium on New Ornamental Crops, Iguasu Falls, Brazil.
Rohwer, C., and Erwin, J.E. 2003. Ethephon alters vegetative and reproductive growth and development of marigold, celosia, pansy, salvia and calceolaria. Hortscience. 38(5), 713.
Warner, R., and Erwin, J.E. 2003. Gordon Conference. Research on understanding the physiology of heat tolerance in flowering.
Mattson, N.S., and J.E. Erwin. 2002. Temperature effects flower initiation and development rate of Impatiens, Petunia, and Viola. International Horticultural Congress On-Site Program (Toronto, Canada), 478.
Warner, R.M., and J.E. Erwin. 2002. High temperature differentially reduces flowering and alters morphology of twelve pansy cultivars. International Horticultural Congress On-Site Program (Toronto, Canada), 479.
Erwin, J.E. 2002. University of Minnesota Floriculture Research Program, University of Natal Plant biology Center Symposium, Pietermaritzburg, Kwazizulu-Natal, South Africa.
Erwin, J.E. 2002. University of Minnesota Floriculture Research Program, University of Stellenbosch, Stellenbosch, South Africa.
Mattson, N.S., R.M. Warner, and J.E. Erwin. 2001. Photoperiod and irradiance affect flowering of several annual bedding plant species. Hortscience, 36(3): 565.
Warner, R.M., and J.E. Erwin. 2001. Canopy management system affects quality of cut stems of Rosa x hybrida L. Hortscience, 36(3): 449.
Warner, R.M., and J.E. Erwin, 2001. Effect of high-temperature stress on flower number per inflorescence of 11 Lycopersicon esculentum Mill. Genotypes. Hortscience 36(3): 509.
Warner, R.M., and J.E. Erwin. 2001. Impact of high-temperature and irradiance on development of five bedding plant species. 36(6): 550.
Erwin, J.E. 2000. Variation in photoperiodic responses among commercial species. International Society of Horticultural Sciences Greenhouse Lighting Symposium. Quebec City, Quebec, Canada.
Wagner, R. And J.E. Erwin. 2000. Variation in photosynthetic rate among commercial roses grown under two different management strategies. International Society of Horticultural Sciences Greenhouse Lighting Symposium. Quebec City, Quebec, Canada.
Warner, R., A. Smith and J.E. Erwin. 1999. Interaction between cold duration, GA3, and photoperiod on Raphanus sativus L. flowering. Hortscience. 34(3):491.
Cutlan, A., J.E. Erwin, J. E. Simon. 1999. Intra-specific variability of feverfew: correlation between parthenolide, morphological traits and seed origin. Hortscience. 34(3):449.
Erwin, J.E. 1998. Photoperiodism in annuals. Hortscience.
Erwin, J.E. 1998. Water quality concerns in transplant production. Hortscience.
Warner, R., J. E. Erwin. 1998. Effect of daily light integral on flowering of Hibiscus spp. Hortscience, 33:446.
Warner, R.J., and J.E. Erwin. 1998. Effect of early temperature and lighting treatments on Petunia x hybrida Vilm develoment. Hortscience, 33:447.
Erwin, J.E. 1998. Temperature and light effects on plant stem elongation. J. Jap. Soc. Hort. Sci.,
Erwin, J.E. 1998. Temperature and light effects on plant stem elongation. 70th Anniversary of the Japanese Society of Horticultural Sciences. Tokyo, Japan.
Erwin, J.E. 1998. Photoperiodism in annual. Photoperiodism Workshop. American Society of Horticultural Sciences. Charlotte, North Carolina.
Erwin, J.E. 1998. Water quality considerations in transplant production. Workshop on transplant technology. American Society of Horticultural Sciences. Charlotte, North Carolina.
Erwin, J.E., R. Warner, T. Smith and R. Wagner. 1997. Photoperiod and temperature interact to affect Petunia x hybrida Vilm. Development. Hortscience, 32:501.
Warner, R., and J.E. Erwin. 1997. Factors affecting flowering in Hibiscus spp.Hortscience, 32:466.
Nordwig, G., and J.E. Erwin. 1997. Factors affecting flowering of Asclepias spp. Hortscience, 32:466-467.
Cutlan, A., G. Nordwig, R. Warner, and J.E. Erwin. 1997. Red/far red light and P.A.R. leaf absorption varies among hanging basket crop species. Hortscience, 32:502.
Cutlan, A., J.E. Erwin, H. Huntington and J. Huntington. 1997. Photoperiod and temperature affect Lamium, Scaevola, Verbena, and Calibracola development and propagation. Hortscience, 32:466.
Warner, R., J.E. Erwin, and R. Wagner. 1997. Photoperiod and temperature interact to affect Gomphrena globosa L. and Salvia farinacea Benth. development. Hortscience, 32:501.
Wagner, N.C., K.A. Janni, J.E. Erwin, C.M. Thill and T. Blom. 1997. Measured light transmissivity in three greenhouses. J. Amer. Soc. Agr. Eng.
Thill, C.M., N.C. Wagner, J.E. Erwin and K.A. Janni. 1997. Evaluation of reflective lighting panels in commercial greenhouses. J. Amer. Soc. Agr. Eng.
Wilkins, H.F., and J. E. Erwin. 1996. Necessary considerations to introduce new taxa. III International Symposium on New Floriculture Crops. Perth, Western Australia.
Berghage, R.D., D.J. Wolnick, E.J. Holcomb, and J.E. Erwin. 1995. Trial gardening in cyberspace. Hortscience., 30(4):903.
Erwin, J.E., and G. Engelen-Eigles. 1993. Interaction between shipping and rooting temperature on vernalization of Lilium longiflorum Thunb. Hortscience, 28:574.
Erwin, J.E., and G. Engelen-Eigles. 1993. Temperature, irradiance, and cooling treatment length affect Pelargonium x domesticum flowering. Hortscience, 28:574.
Erwin, J.E., and D. Schwarze. 1993. Interaction between irradiance and photoperiod on Antirrhinum majus L. flower initiation. Hortscience, 28:575.
Erwin, J.E., and R.D. Heins. 1993. Day/night temperature effects on New Guinea impatiens morphology and partitioning. Hortscience, 28:502.
Erwin, J.E., and D. Schwarze. 1993. Day/night temperature effects on Pelargonium zonale L. flower development and leaf unfolding. Hortscience, 28:502.
Reese, C.L., and J.E. Erwin. 1993. Interaction between photoperiod, temperature fluctuations and cytokinin on Pharbitis floral induction. Hortscience, 28:503.
Engelen-Eigles, G., and J.E. Erwin. 1993. Variation in responses of four Japanese radish (Raphanus sativa L.) varieties to vernalization treatment. Hortscience, 28:522.
Strefeler, M., J.E. Erwin, and G. Pierson. 1993. Differential gene expression during vernalization for floral induction of Raphanus sativa. Hortscience, 28:483.
Erwin, J.E., and D. Schwarze. 1992. Media composition, IBA, and node position affect rooting of Clematis cuttings. Hortscience, 27(6):639.
Erwin, J.E., and N. Glomsrud. 1992. Interaction between pinching technique, leaf number, and cultivar on lateral shoot development of cut roses. Hortscience, 27(6):592.
Erwin, J.E., and G. Pierson. 1992. Interaction between diurnal temperature fluctuations and gibberellins on Lycopersicon stem elongation and chlorophyll content. Hortscience, 27(6):657.
Schwarze, D., and J.E. Erwin. 1992. Survey of the impact of the floriculture industry in Minnesota. Hortscience, 27(6):674.
Erwin, J.E. 1992. Utility of DIF to regulate vegetable transplant stem elongation. Hortscience,
27(6):615.
Erwin, J.E., R.D. Heins, W. Carlson, and S. Newport. 1992. Mini Review: Diurnal temperature fluctuations and mechanical manipulation affect plant stem elongation. PGRSA Quarterly,20(1).
Erwin, J.E. 1992. Thermomorphogenesis. Scandinavian Horticulture Society Conference on Thermomorphogenesis. Aas, Norway.
Erwin, J.E. 1992. Non-chemical techniques to manage stem elongation in greenhouse crops. Floriculture Working Group. American Society of Horticultural Sciences. Honolulu, Hawaii.
Erwin, J.E. 1992. Temperature control on stem elongation. ISHS International Symposium on Transplant technology. Honolulu, Hawaii.
Erwin, J.E., and R.D. Heins. 1991. Temperature effects on plant growth. Plant Growth Regulator Society Conference, Boston, Massachusetts.
Berghage, R.D., N.K. Lownds, J.E. Erwin, and R.D. Heins. 1991. Circadian temperature effects on nutrient content of poinsettia leaves. Hortscience,26(6):713.
Erwin, J.E., R.D. Berghage, and R.D. Heins. 1991. Circadian temperature effects on plant chlorophyll content. Hortscience, 26(6):105.
Erwin, J.E., P. Velguth, and R.D. Heins. 1991. Diurnal variations in temperature affect cellular elongation but not division. Hortscience, 26(6):105.
Erwin, J.E., and R.D. Heins. 1991. Diurnal variations in temperature affect carbon partitioning in New Guinea Impatiens and fuchsia shoots. Hortscience, 26(6):117.
Berghage, R.D., J.E. Erwin, and R.D. Heins. 1991. Photoperiod influences leaf chlorophyll content in chrysanthemum grown with a negative DIF temperature regime. Hortscience, 26(6):708.
Ascerno, M., and J.E. Erwin. 1990. Temperature effects on whitefly development. J. Amer. Soc. Entomol.,
Erwin, J.E. and R.D. Heins. 1989. Effects of temperature on Schlumbergera truncata flower initiation. Hortscience,, 24: 76.
Erwin, J.E., and R.D. Heins. 1989. Effects of temperature and photoperiod on Fuchsia x hybrida. Hortscience,, 24: 115.
Erwin, J.E., and R.D. Heins. 1988. Effect of diurnal temperature fluctuations on stem elongation circadian rhythms. Hortscience, 23:820.
Erwin, J.E., and R.D. Heins. 1988. Thermomorphogenic stem elongation responses in plants, Hortscience, 23:749.
Karlsson, M.G., R.D. Heins, J.E. Erwin, and R.D. Berghage. 1988. Biomass allocation patterns in Chrysanthemum. Hortscience, 23:750.
Erwin, J.E., R.D. Heins,and M.G. Karlsson. 1987. Thermomorphogenic responses in the Easter lily (Lilium longiflorum Thunb.). Hortscience, 22:573.
Erwin, J.E., R.D. Heins, and M.G. Karlsson. 1987. Modeling Lilium longiflorum Thunb. temperature-dependent rate and increase in plant height from visible bud to flower. Hortscience, 22:574.
Erwin, J.E., and R.D. Heins. 1987. Thermomorphogenesis in Lilium longiflorum Thunb. Proc. Soc. of Expt Biol., Symposium on 'Plants and Temperature'.
Erwin, J.E., and R.D. Heins. 1986. The influence of day temperature and photosynthetic photon flux on the response of Chrysanthemum morifolium Ramat. cvs. 'Bright Golden Anne'and 'Circus' to SADH. Hortscience, 21:827.
Erwin, J.E., and R.D. Heins. 1985. Influence of day and night temperature and irradiance on leaf orientation and stem length of Lilium longiflorum Thunb., Hortscience, 20:767
Erwin J, R O’Connell, and K Altman. 2017. Photoperiod, irradiance and temperature affect Echinopsis ‘Rose Quartz ‘ flowering. HortScience (in press).
Erwin, J, K Altman, and F Esqueda. 2016. Temperature impacts on cactus and succulent development rate. HortTechnology (in press).
Cave, RL, GL Hammer, G McLean, CJ Birch, JE Erwin, and ME Johnson. 2013. Modelling temperature, photoperiod and vernalization responses of Brunonia australis (Goodeniaceae) and Calandrinia sp. (Portulacaceae) to predict flowering time. Ann. Bot., 111(4):629-639.
Cave, RL, JE Erwin, GL Hammer, and ME Johnson. 2012. An experimental approach for developing seed lines of new Australian native flowering pot plants. Acta Hort, 93:37-43.
Fisher, PR, ES Runkle, MG Blanchard, JE Erwin, and B MacKay. 2012. FlowersOnTime: A computer decision-support tool for floriculture crop producers. J of Ext., 50(5): 5TOT5.
Currey CJ, Erwin JE. 2012. Foliar applications of plant growth regulators affect stem, elongation and branching of 11 Kalanchoe species. HortTech, 22:338-344.
Cave RL, Birch CJ, Hammer GL, Erwin JE, Johnston ME. 2011. Juvenility and flowering of Bruonia australis (Goodeniaceae) and Calandrinia sp. (Portulacaceae) in relation to vernalization and daylength. Ann Bot, 108:215-220.
Currey CJ, Erwin JE. 2011. Photosynthetic daily light integral impacts growth and flowering of several Kalanchoe species. HortTech, 21:98-102.
Thompson DI, Mtshali NP, Ascough GD, Erwin JE, Van Staden J. 2011. Flowering control in Watsonia: effect of corm size, temperature, photoperiod and irradiance. Scientia Hort, 129:493-502.
Cave RL, Birch CJ, Hammer GL, Erwin JE, Johnston ME. 2011. Cardinal temperatures and thermal time for seed germination of Bruonia australis (Goodeniaceae) and Calandrinia sp. (Portulacaceae). Hortscience, 46:753-758.
Currey CJ, Erwin JE. 2011. Photoperiodic flower induction of several Kalanchoe species and ornamental characteristics of flowering species. Hortscience, 46:35-39.
Rohwer, C.L. and J.E. Erwin. 2010. Spider mites ( Tetranychus urticae) perform poorly and disperse from plants exposed to methyl jasmonate. Ento Expt Applicata; 10: 1-10.
Currey, C. and J.E. Erwin. 2010. Variation among Kalanchoe species flowering responses to day/night length and short-day cycle number. J Hort Sci and Biotech., 85(4):350-354.
Cave, RL, CJ Birch, GL Hammer, JE Erwin, ME Johnson. 2010. Floral ontogeny of Brunonia (Goodeniaceae) and Calandrinia sp. (Portulacaceae). Aust. J. Bot., 58: 1-9.
Ascough, G., J.E. Erwin, and J. van Staden. 2009. Micropropagation of Iridaceae – a review. Plant Cell Tiss Organ Cult. 97 (1):1-19.
Erwin, J.E. 2009. Looking for new ornamentals: Flowering studies. Acta Hort. 813:61-66.
Erwin, J.E. 2009. Cacti and Succulents: Studies on Introducing a New Group of Ornamental Plants. Acta Hort. 813:359-364.
Ascough, GD., O Navak, A Pencik, J Rolick, M Strand, JE Erwin, and J van Staden. 2009. Hormonal and cell division analysis in Watsonia lepida seedlings. J. Plant Physiol. 166(14):1497-1507.
Zanin, P., and J.E. Erwin. 2008. Responses of Salvia spp. To photoperiod and irradiance at different times in a production cycle. Acta Hort.
Ascough, G.D., J.E. Erwin, and J. van Staden. 2008. Reduced temperature, elevated sucrose, continuous light and gibberellic acid promote corm formation in Watsonia vanderspuyiae. Plant Cell Tiss Organ Cult 95:275-283.
Ascough, GD, J.E. Erwin, and J van Staden. 2008. Effectiveness of colchicine and oryzalin at inducing polyploidy in Watsonia lepida N.E. Brown. Hortscience, 43:1-5.
Rohwer, C.L. and J.E. Erwin, J. 2008. Horticultural application of jasmonates: a review. J. Hort. Sci. and Biotech. 83:283-304.
Ascough, GD, Erwin, JE, van Staden J. 2008. Biotechnology and ornamental Horticulture. South Afric. J. Bot. 74:357.
Ascough, G.D., J. Erwin, and J. van Staden. 2007. In vitro propagation of four Watsonia species. Plant, Cell, Tiss., Organ Cult., 88:135-145.
Ascough, JE Erwin, J Van Staden. 2007. Botanical nepotism – keeping storage organ formation in the family. South African J. of Bot., 73(2):277.
Erwin, J.E., C. Rohwer, and E. Gesick. 2006. Red:far red and photosynthetically active radiation filtering by leaves differs with species. Acta Hort. 711:195-200.
Rohwer, C., and J.E. Erwin. 2006. Impact of irradiance and photoperiod on methyl jasmonate production in Artemesia spp. Acta Hort 711:375-380.
Warner, R., and J.E. Erwin. 2006. Prolonged High Temperature Exposure Differentially Reduces Growth and Flowering of Twelve Viola × wittrockiana Gams. cvs. Scientia Hort. 108:295-302.
Warner, R., and J.E. Erwin. 2005. Naturally-occurring variation in high temperature induced floral bud abortion across Arabidopsis thaliana accessions. Plant, Cell and Environ, 28:1255-1266.
Warner, R., and J.E. Erwin. 2005. Prolonged high temperature exposure and daily light integral impact growth and flowering of five herbaceous ornamental plant species. J. Amer. Soc. Hort. Sci.,130(3):319-325.
Mattson, N., and J.E. Erwin. 2005. The impact of photoperiod and irradiance on flowering of several herbaceous ornamentals. Scientia Hort. 104:275-292.
Van Gaal, T., and J.E. Erwin. 2005. Diurnal variation in thigmotropic inhibition of stem elongation. Hortech., 15(2):291-294.
Warner, R., and J.E. Erwin. 2003. Effect of photoperiod and daily light integral on flowering of five Hibiscus L. spp. Scientia Hort, 97:341-351.
Warner, R., and J.E. Erwin. 2003. Effect of plant growth retardants on Hibiscus spp. stem elongation. HortTech., 13(2):293-295.
Erwin, J.E., A. Smith and R. Warner. 2002. Interaction between photoperiod, GA3 and vernalization time on flowering of Raphanus sativus. Physiol. Plant., 115:298-302.
Erwin, J.E., and R.M. Warner. 2002. Determination of photoperiodic response group and effect of supplemental irradiance on flowering of several bedding plant species. Acta Hort., 580:95-99.
Warner, R., and J.E. Erwin. 2002. Photosynthetic responses of heat-tolerant and heat sensitive cultivars of Impatiens hawkeri and Viola wittrockiana to high temperature exposures. Acta Hort., 580:215-219.
Warner, R., and J.E. Erwin. 2002. Estimation of total canopy photosynthetic capacity of roses grown under two canopy management systems. Acta Hort., 580:89-93.
Warner, R., and J.E. Erwin. 2001. Variation in floral induction requirements of Hibiscus spp. J. Amer. Soc. Hort. Sci., 126:262-268.
Cutlan, A., J. E. Simon, L. Bonilla, and J.E. Erwin. 2000. Variation in parthenolide content among feverfew (Tanacetum parthenium L.). Plant Medica., 66:612-617.
Erwin, J.E. 1998. Temperature and light effects on plant stem elongation. J. Jap. Soc. Hort. Sci., 67(6):1113-1120.
Erwin, J.E. and G. Engelen-Eigles. 1998. Influence of simulated shipping and rooting temperature and production year on Easter lily (Lilium longiflorum Thunb.) development. Journal of the American Society for Horticultural Science 123:230-233.
Engelen-Eigles, G., and J.E. Erwin. 1997. A model plant for vernalization studies. Scient. Hort. 70:197-202.
Reese, Cheryl R., and J.E. Erwin. 1997. The effect of day/night temperature on Pharbitis nil Chois flowering. HortScience. 32:1046-1048.
Erwin, J.E. 1997. Factors affecting Clematis rooting. HortTech, 7:408-410.
Erwin, J.E., Glomsrud, N., T. Vikor, R. Moe, and P. Etzel. 1997. Cutting position, leaf removal and time of year affects Rosa axillary shoot development. Scientia Hort., 68:157-170.
Moe, R., J. E. Erwin, and W. Carlson. 1996. Factors affecting Gerbera jamesonii early seedling branching and mortality. HortTechnology, 6(1):59-61.
Hellewell, K.B., D.D. Stuthman, A.H. Markhart III, and J.E. Erwin. 1996. Day and night temperature effects during grain filling in oat. Crop Science, 36:624-628.
Erwin, J.E. 1996. Temperature and photoperiod affect cactus scion necrosis. HortTech., 6:393-396.
Erwin, J., and R. Heins. 1995. Thermomorphogenic responses in stem and leaf development. Hortscience, 30:940-949.
Erwin, J.E., P. Velguth, and R.D. Heins. 1994. Day/night temperature environment affects Lilium longiflorum cell morphology., J. Expt. Bot.45:1019-1025.
Erwin, J.E., R.D. Heins, and J. Faust. 1993. Thermomorphogenic and photoperiodic responses of Nephrolepis exaltata cv 'Dallas Jewel'. Hortscience, 28(3):182-184.
Erwin, J.E., R.D. Heins, W. Carlson, and S. Newport. 1992. Mini Review: Diurnal temperature fluctuations and mechanical manipulation affect plant stem elongation. PGRSA Quarterly, 20(1):1-17.
Erwin, J. 1992. Physiological basis for day/night temperature regime (DIF) effects on stem elongation. Nordiska Jordbruksforskares Forening, NJF-Utredning/Rapport NR 77: Regulering av plantenes morfogenese.
Erwin, J.E., R.D. Heins, and R. Moe. 1991. Temperature and photoperiod effects on Fuchsia x hybrida stem elongation. J. Amer. Soc. Hort. Sci., 116(6):955-960.
Moe, R., R.D. Heins, and J.E. Erwin. 1991. Stem elongation and flowering of the long-day plant Campanula isophylla Morettii. in response to day and night temperature alterations and light quality. Scient. Hort., 48:141-151.
Erwin, J.E., and R.D. Heins. 1990. Temperature effects on lily development rate and morphology from the visible bud stage until anthesis. J. Amer. Soc. Hort. Sci.,115:644-646.
Berghage, R.D., R.D. Heins, M.G. Karlsson, J. Erwin, and W. Carlson. 1989. Pinching technique influences lateral shoot development in poinsettia. J. Amer. Soc. Hort. Sci., 114(6):909-914.
Erwin, J.E., R.D. Heins, and M.G. Karlsson. 1989. Thermomorphogenesis in Lilium longiflorum, Thunb., Amer. J. Bot., 76:47-52.
Karlsson, M.G., R.D. Heins, J.E. Erwin, R.D. Berghage, W.H. Carlson, and J.A.Biernbaum. Irradiance and temperature effects on time of development and flower size in chrysanthemum. Scient. Hort., 39:257-267.
Karlsson, M.G., R.D. Heins, J.E. Erwin, and R.D. Berghage. 1989. Development rate during four stages of chrysanthemum growth determined by preceding and prevailing temperatures. J. Amer. Soc. Hort. Sci., 114(2):234-240.
Karlsson, M.G., R.D. Heins, J.E. Erwin, R.D. Berghage, W.H. Carlson, and J.A. Biernbaum. 1989. Temperature and photosynthetic photon flux influence Chrysanthemum shoot development and flower initiation under short day conditions. J. Amer. Soc. Hort.
Sci., 114:158-163.
Karlsson, M.G., R.D. Heins, and J.E. Erwin. 1988. Quantifying temperature controlled leaf unfolding rates in Lilium longiflorum Thunb. 'Nellie White', J. Amer. Soc. Hort. Sci., 113:70-74.
Un-Refereed Scientific Publications:
Wilkins, H.F., and J. E. Erwin. 1997. Necessary considerations to introduce new taxa. III International Symposium on New Floriculture Crops. Perth, Western Australia, Acta Hort..
Berghage, R.D., J.A. Flore, R.D. Heins, and J.E. Erwin. 1990. The relationship between day and night temperature influences photosynthesis but not light compensation point or flower longevity of Easter lily, Lilium longiflorum Thunb., Acta Hort., 272:91-95.
Berghage, R.D., R.D. Heins, and J.E. Erwin. 1990. Quantifying leaf unfolding in the poinsettia. Acta Hort., 272:243-247.
Erwin, J.E., R.D. Heins, R.D. Berghage, and B. Kovanda. 1990. Temperature effects Schlumbergera truncata 'Madisto' flower initiation. Acta. Hort., 272:97-101.
Erwin, J.E., R.D. Heins, R. Berghage, and B.J. Kovanda. 1990. Thermomorphogenesis and photoperiodic responses of Nephrolepis exaltata 'Dallas Jewel', Acta Hort., 272:249-254.
Heins, R.D., M.G. Karlsson, J.E. Erwin, M.K. Hausbeck, and S.H. Miller. 1984. Interaction of CO2 and environmental factors on crop responses. Acta. Hort., 162:21-28.
Book Chapters:
Currey, C., D. Kopsell, N. Mattson, R. Lopez and J. Erwin. 2016. Chapter 15 – Supplemental and sole-source lighting of leafy greens, herbs, and microgreens. In Lighting Up Profits, Eds. Runkle, E.,and R. Lopez, 2nd. Ed., Meister Pub., Willoughby, OH. (in press).
Erwin, J., N. Mattson, and R. Warner. 2016. Chapter 10 – Light effects on annual bedding plants. In Lighting Up Profits, Eds. Runkle, E., and R. Lopez, 2nd. Ed., Meister Pub., Willoughby, OH. (in press).
Ascough, G.D., J. van Staden, and J.E. Erwin. 2008. In vitro storage organ formation on ornamental geophytes. Hort. Reviews. Ed. Jules Jannick.
Ascough, G., J. Van Staden, and J. Erwin. 2006. Watsonia. A. Teixeira da Silva (Ed.), Floriculture, Ornamental and Plant Biotechnology: Advances and topical issues, Global Science Books, London. Pp.
Erwin, J.E. 2006. Flower induction of ornamental plants. In. Flower Breeding and genetics: Issues, challenges. Anderson, N. Ed. 7-48.
Erwin, J.E. 2005. Flower induction in ornamental plants. In. Flower Seeds: Biology and technology. Ed.M.B. McDonald and F.Y. Kwong Eds.CABI Publishing, Cambridge, MA , USA. Pp. 87-116.
Erwin, J.E. 2004. Using Day length to control flowering. In: Lighting up your profits. Eds P. Fisher and E. Runkle. Greenhouse Grower Mag.
Warner, R., and J.E. Erwin. 2001. Temperature. In Tips on regulating growth of floriculture crops. C.A.Buck and S.A. Carver Eds, Ohio State Univ. Pub., pp. 10-17.
Erwin, J.E., and R.M. Warner 1999. Temperature. In Tips on Growing Bedding Plants, Ed. Harry Tayama, 4th. Ed., Ohio State Univ. Pub. Pp. 69-82.
Heins, R.D. and J.E. Erwin. 1999. Non-chemical control of bedding plant growth. In Tips on Growing Bedding Plants, Ed. Harry Tayama, 4th Ed., Ohio State Univ. Pub. Pp. 105-109.
Erwin, J.E. 1997. Fuchsia, In: Tips on Growing and Marketing Specialty Potted Plants. Ohio Florists Association, Columbus, OH. pp. 66-70.
Erwin, J.E. 1996. Light and Temperature, In: Tips on Growing and Marketing Garden Mums. Ohio Florists Association, Columbus, OH, pp. 36-42.
Erwin, J.E. 1995. Temperature and light effects on New Guinea impatiens growth. In New Guinea Impatiens: A Ball Guide, Ball Publishing, Batavia, IL, pp. 41-54.
Erwin, J.E. 1994. Asexual propagation of bedding plants. In Bedding Plants IV, Ed. J. Holcomb. Ball Publishing, pp. 363-378.
Barrett, J., and J.E. Erwin. 1994. Controlling bedding plant height. In Bedding Plants IV, Ed. J. Holcomb, Ball Publishing, pp. 197-214.
Erwin, J.E. 1993. Temperature effects on bedding plant growth. In Tips on Growing Bedding Plants, Ed. Harry Tayama, 3rd. Ed., Ohio State Univ. Pub. pp. 77-91.
Heins, R.D. and J.E. Erwin. 1993. Non-chemical control of bedding plant growth. In Tips on Growing Bedding Plants, Ed. Harry Tayama, 3rd Ed., Ohio State Univ. Pub. pp. 106-111.
Erwin, J.E. 1993. Poinsettia height control. In Poinsettias: Growing and Marketing. Ed. J. Martens and K. Pyle. Ball Publishing, Batavia, IL, pp. 22-30.
Erwin, J.E., and R.D. Heins. 1992. DIF: Control plant growth with temperature. Meister Publishing, Cleveland Ohio. (in Japanese).
Erwin, J.E., and R.D. Heins. 1992. DIF: Control plant growth with temperature. Meister Publishing, Cleveland Ohio. (in English).
Erwin, J.E. 1991. Control plant growth using temperature. Proc. Amer. Hydroponics. Soc., 1-6.
Erwin, J.E., R.D. Berghage, and D.A. Hopper. 1991. Light and temperature effects on geranium growth, In Geranium Tips, 2nd Ed., Ed. H Tayama, Ohio State Univ. Pub. 23-26.
Erwin, J.E., and R.D. Heins. 1991. Environmental effects on geranium growth. In. Geraniums IV, Ed. John White. Ball Pub. Inc., pp. 55-63.
Erwin, J.E. 1991. Nephrolepis exaltata 'Bostoniensis'. In: GrowerTalks on crop culture. Geo. J. Ball. Pub., Chicago, IL. pp. 155-156.
Erwin, J.E., and R. Heins. 1990. Research Update: Don't use B-Nine on your vegetable plugs- it's illegal. Try temperature for height control. In GrowerTalks on Plugs, Geo J. Ball, Pub., West Chicago, IL., pp..99-100.
Abstracts:
Erwin, J. 2016. Temperature and irradiance affects photoperiodic flower induction. ISHS Symposium on Lighting in Controlled Environments, East Lansing, MI.
Erwin, J., Carlson, J., L. Perkus, J. Slavin, C. Rosen. 2016. Day/night temperature regime affects photosynthetic responses to irradiance and carbon dioxide, and mineral, vitamin and fiber content of several vegetable crops. ISHS Symposium on Lighting in Controlled Environments, East Lansing, MI.
Carlson, J., L. Perkus, J. Slavin, C. Rosen, J. Erwin. 2015. Effect of day and night temperature on Red Russian kale mineral nutrient, Vitamin C and fiber Content. Hortscience., 50(9): 147.
Erwin, J., E. Gesick. 2015. Photosynthetic responses of “Specialty Greens” to irradiance and carbon dioxide. Hortscience. 50(9): 150-151.
Perkus, L., J. Erwin, C. Rosen, J. Slavin, J. Carlson, and G. Schweser. 2015. Winter produce potential in conventional and “Deep Winter” greenhouses in the Upper Midwest. Hortscience. 50(9): 152-153.
Erwin, J., E. Gesick, K. Altman and R. O’Connell. 2015. Plant growth regulator and temperature affect Echeveria and Andromischus leaf cutting rooting and axillary shoot formation. Hortscience. 50(9):235.
Erwin, J., E. Gesick, K. Altman and F. Esqueda. 2015. Temperature affects cacti and succulent development rate. Hortscience, 50(9): 299-300.
Perkus, L., J. Carlson, J. Slavin, J. Erwin, C. Rosen, G. Schweser. 2015. Day/night temperature effects on kale photosynthesis and leaf morphology. Hortscience, 50(9):320.
Rogers, M., E. Perkus, J. Carlson, C. rosen, J. Grossman, J. Slavin, and J. Erwin. 2015. Organic fertilizers for greenhouse production of day-neutral strawberries. Hortscience, 50(9): 329-330.
Perkus, E., J. Grossman, C. Rosen, M. Rogers, J. Slavin, J. Carlson, and J. Erwin. 2015. Soil nutrients, nitrogen mineralization, and microbial biomass in organically fertilized potting media under greenhouse conditions. Hortscience, 50(9): 330.
Erwin, J., E. Gesick, and K. Altman. 2015. Photoperiod and irradiance affect Monadenium coccineum flowering. Hortscience, 50(9): 385-386.
Carlson, J., L. Perkus, J. Slavin, C. rosen, and J. Erwin. 2015. Photoperiod and irradiance affect Red Russian kale leaf nutrient content. Hortscience, 50(9): 395.
Carlson, J., L. Perkus, J. Slavin, C. Rosen, J. Grossman, M. Rogers, and J. Erwin. 2015. Fertility treatment affects vitamin C, fiber, and total nitrogen content in mizuna and red giant mustard. Hortscience, 50(9): 396-397.
Boldt, J., and J. Erwin. 2014. Development of photosynthetic response curves and their integration into decision-support tool for floriculture growers. Hortscience.
Boldt, JK, Erwin JE, Meyer MH. 2011. Temperature and irradiance influence foliar Solenostemon scutellarioides (L.) Codd. (coleus) and Panicum virgatum L. (switchgrass) anthocyanin content. 6th International Workshop on Anthocyanins.
Boldt, JK, Erwin JE, Meyer MH. 2011. Foliar anthocyanin content in Solenostemon scutellarioides (L.) Codd. and Panicum virgatum L. varies with irradiance, temperature, and cultivar. HortScience 46(9):S104-105.
Boldt, J.K., E.Y. Gesick, Meyer MH, Erwin JE. 2011. Characterization of photosynthetic responses of 13 herbaceous ornamentals to irradiance and CO2. HortScience 46(9):S146.
Boldt JK, Gesick EY, Meyer MH, Erwin JE. 2011. Alternative periodic energy-efficient light and temperature strategies for herbaceous ornamental production. HortScience 46(9):S354.
Erwin, JE. 2011. Plant Hormones: their roles and application in plant stress mitigation. HortScience 46(9): S59.
Hensley JO, Erwin JE. 2011. Evaluation of 75 species for survival and vigor on a rooftop in the northern United States. Hortscience, 46(9): S141.
Erwin, JE. 2011. Government strategies to promote horticulture in urban communities. Hortscience 46(9):
High, LL. Erwin, JE, Krebs SL, Hokanson SC. 2011. Factors influencing simultaneous floral and vegetative budbreak in Rohdodendron sbg. Hymenanthes. S261.
Boldt JK, Erwin JE, Meyer MH. 2011. Temperature and irradiance influence foliar Solenostemon scutellaroides (L.) Codd. (coleus) and Panicum virgatum L. (switchgrass) anthocyanin content. 6th International Workshop on anthocyanin. 68.
Currey, C.J. and J.E. Erwin. 2010. Photoperiod effects on flowering of Kalanchoe species with ornamental potential. XXVIIIth International Horticultural Congress, Lisbon, Portugal. August 26th, 2010.
Erwin, J., E. Gesick, B. Dill and C. Rohwer. 2006. Photoperiod, Irradiance and Cool Temperature Effects on Gymnocalycium, Rebutia, Lobivia, Sulcorebutia spp. growth and flowering. Hortscience.
Erwin, J., E. Gesick, B. Dill and C. Rohwer. 2006. Photoperiod, irradiance and/or cool temperature effects on Mamillopsis senilis, Echinopsis hybrid, and Trichocereus hybrid growth and flowering. Hortscience.
Erwin, J., E. Gesick, B. Dill and C. Rohwer. 2006. Photoperiod, irradiance and/or cool temperature effects on Lobivia x Chamaecereus hybrid ‘Rose Quartz’ flowering. Hortscience.
Rohwer, C., and John E. Erwin. 2005. Impact of irradiance and photoperiod on methyl jasmonate production in Artemesia spp. and Arabidopsis thaliana. International Society of Horticultural Sciences Lighting Conference (Lillehammer, Norway).
Erwin, J.E., E. Gesick and C. Rohwer. 2005. Irradiance response curves for flower induction. International Society of Horticultural Sciences Lighting Conference (Lillehammer, Norway).
Erwin, J.E., and C. Rohwer. 2005. Red:far red and photosynthetically active radiation by leaves differs with species. International Society of Horticultural Sciences Lighting Conference (Lillehammer, Norway).
Mtshali, NP., DI Thompson, J. Erwin, and J van Staden. 2005. The influence of temperature, photoperiod and irradiance on flowering of Watsonia species. South African Assoc. Bot.
Ascough, G., J. Erwin and J. van Staden. 2005. Micropropagation of Watsonia – getting to the root of the problem. South African Assoc. Bot.
Erwin, J.E. 2003. Screening techniques for rapid determination of juvenile period length and environmental flowering requirements of floriculture crops. ISHS Symposium on New Ornamental Crops, Iguasu Falls, Brazil
Erwin, J.E. 2003. Identifying species potential as commercial floriculture crops. ISHS Symposium on New Ornamental Crops, Iguasu Falls, Brazil.
Rohwer, C., and Erwin, J.E. 2003. Ethephon alters vegetative and reproductive growth and development of marigold, celosia, pansy, salvia and calceolaria. Hortscience. 38(5), 713.
Warner, R., and Erwin, J.E. 2003. Gordon Conference. Research on understanding the physiology of heat tolerance in flowering.
Mattson, N.S., and J.E. Erwin. 2002. Temperature effects flower initiation and development rate of Impatiens, Petunia, and Viola. International Horticultural Congress On-Site Program (Toronto, Canada), 478.
Warner, R.M., and J.E. Erwin. 2002. High temperature differentially reduces flowering and alters morphology of twelve pansy cultivars. International Horticultural Congress On-Site Program (Toronto, Canada), 479.
Erwin, J.E. 2002. University of Minnesota Floriculture Research Program, University of Natal Plant biology Center Symposium, Pietermaritzburg, Kwazizulu-Natal, South Africa.
Erwin, J.E. 2002. University of Minnesota Floriculture Research Program, University of Stellenbosch, Stellenbosch, South Africa.
Mattson, N.S., R.M. Warner, and J.E. Erwin. 2001. Photoperiod and irradiance affect flowering of several annual bedding plant species. Hortscience, 36(3): 565.
Warner, R.M., and J.E. Erwin. 2001. Canopy management system affects quality of cut stems of Rosa x hybrida L. Hortscience, 36(3): 449.
Warner, R.M., and J.E. Erwin, 2001. Effect of high-temperature stress on flower number per inflorescence of 11 Lycopersicon esculentum Mill. Genotypes. Hortscience 36(3): 509.
Warner, R.M., and J.E. Erwin. 2001. Impact of high-temperature and irradiance on development of five bedding plant species. 36(6): 550.
Erwin, J.E. 2000. Variation in photoperiodic responses among commercial species. International Society of Horticultural Sciences Greenhouse Lighting Symposium. Quebec City, Quebec, Canada.
Wagner, R. And J.E. Erwin. 2000. Variation in photosynthetic rate among commercial roses grown under two different management strategies. International Society of Horticultural Sciences Greenhouse Lighting Symposium. Quebec City, Quebec, Canada.
Warner, R., A. Smith and J.E. Erwin. 1999. Interaction between cold duration, GA3, and photoperiod on Raphanus sativus L. flowering. Hortscience. 34(3):491.
Cutlan, A., J.E. Erwin, J. E. Simon. 1999. Intra-specific variability of feverfew: correlation between parthenolide, morphological traits and seed origin. Hortscience. 34(3):449.
Erwin, J.E. 1998. Photoperiodism in annuals. Hortscience.
Erwin, J.E. 1998. Water quality concerns in transplant production. Hortscience.
Warner, R., J. E. Erwin. 1998. Effect of daily light integral on flowering of Hibiscus spp. Hortscience, 33:446.
Warner, R.J., and J.E. Erwin. 1998. Effect of early temperature and lighting treatments on Petunia x hybrida Vilm develoment. Hortscience, 33:447.
Erwin, J.E. 1998. Temperature and light effects on plant stem elongation. J. Jap. Soc. Hort. Sci.,
Erwin, J.E. 1998. Temperature and light effects on plant stem elongation. 70th Anniversary of the Japanese Society of Horticultural Sciences. Tokyo, Japan.
Erwin, J.E. 1998. Photoperiodism in annual. Photoperiodism Workshop. American Society of Horticultural Sciences. Charlotte, North Carolina.
Erwin, J.E. 1998. Water quality considerations in transplant production. Workshop on transplant technology. American Society of Horticultural Sciences. Charlotte, North Carolina.
Erwin, J.E., R. Warner, T. Smith and R. Wagner. 1997. Photoperiod and temperature interact to affect Petunia x hybrida Vilm. Development. Hortscience, 32:501.
Warner, R., and J.E. Erwin. 1997. Factors affecting flowering in Hibiscus spp.Hortscience, 32:466.
Nordwig, G., and J.E. Erwin. 1997. Factors affecting flowering of Asclepias spp. Hortscience, 32:466-467.
Cutlan, A., G. Nordwig, R. Warner, and J.E. Erwin. 1997. Red/far red light and P.A.R. leaf absorption varies among hanging basket crop species. Hortscience, 32:502.
Cutlan, A., J.E. Erwin, H. Huntington and J. Huntington. 1997. Photoperiod and temperature affect Lamium, Scaevola, Verbena, and Calibracola development and propagation. Hortscience, 32:466.
Warner, R., J.E. Erwin, and R. Wagner. 1997. Photoperiod and temperature interact to affect Gomphrena globosa L. and Salvia farinacea Benth. development. Hortscience, 32:501.
Wagner, N.C., K.A. Janni, J.E. Erwin, C.M. Thill and T. Blom. 1997. Measured light transmissivity in three greenhouses. J. Amer. Soc. Agr. Eng.
Thill, C.M., N.C. Wagner, J.E. Erwin and K.A. Janni. 1997. Evaluation of reflective lighting panels in commercial greenhouses. J. Amer. Soc. Agr. Eng.
Wilkins, H.F., and J. E. Erwin. 1996. Necessary considerations to introduce new taxa. III International Symposium on New Floriculture Crops. Perth, Western Australia.
Berghage, R.D., D.J. Wolnick, E.J. Holcomb, and J.E. Erwin. 1995. Trial gardening in cyberspace. Hortscience., 30(4):903.
Erwin, J.E., and G. Engelen-Eigles. 1993. Interaction between shipping and rooting temperature on vernalization of Lilium longiflorum Thunb. Hortscience, 28:574.
Erwin, J.E., and G. Engelen-Eigles. 1993. Temperature, irradiance, and cooling treatment length affect Pelargonium x domesticum flowering. Hortscience, 28:574.
Erwin, J.E., and D. Schwarze. 1993. Interaction between irradiance and photoperiod on Antirrhinum majus L. flower initiation. Hortscience, 28:575.
Erwin, J.E., and R.D. Heins. 1993. Day/night temperature effects on New Guinea impatiens morphology and partitioning. Hortscience, 28:502.
Erwin, J.E., and D. Schwarze. 1993. Day/night temperature effects on Pelargonium zonale L. flower development and leaf unfolding. Hortscience, 28:502.
Reese, C.L., and J.E. Erwin. 1993. Interaction between photoperiod, temperature fluctuations and cytokinin on Pharbitis floral induction. Hortscience, 28:503.
Engelen-Eigles, G., and J.E. Erwin. 1993. Variation in responses of four Japanese radish (Raphanus sativa L.) varieties to vernalization treatment. Hortscience, 28:522.
Strefeler, M., J.E. Erwin, and G. Pierson. 1993. Differential gene expression during vernalization for floral induction of Raphanus sativa. Hortscience, 28:483.
Erwin, J.E., and D. Schwarze. 1992. Media composition, IBA, and node position affect rooting of Clematis cuttings. Hortscience, 27(6):639.
Erwin, J.E., and N. Glomsrud. 1992. Interaction between pinching technique, leaf number, and cultivar on lateral shoot development of cut roses. Hortscience, 27(6):592.
Erwin, J.E., and G. Pierson. 1992. Interaction between diurnal temperature fluctuations and gibberellins on Lycopersicon stem elongation and chlorophyll content. Hortscience, 27(6):657.
Schwarze, D., and J.E. Erwin. 1992. Survey of the impact of the floriculture industry in Minnesota. Hortscience, 27(6):674.
Erwin, J.E. 1992. Utility of DIF to regulate vegetable transplant stem elongation. Hortscience,
27(6):615.
Erwin, J.E., R.D. Heins, W. Carlson, and S. Newport. 1992. Mini Review: Diurnal temperature fluctuations and mechanical manipulation affect plant stem elongation. PGRSA Quarterly,20(1).
Erwin, J.E. 1992. Thermomorphogenesis. Scandinavian Horticulture Society Conference on Thermomorphogenesis. Aas, Norway.
Erwin, J.E. 1992. Non-chemical techniques to manage stem elongation in greenhouse crops. Floriculture Working Group. American Society of Horticultural Sciences. Honolulu, Hawaii.
Erwin, J.E. 1992. Temperature control on stem elongation. ISHS International Symposium on Transplant technology. Honolulu, Hawaii.
Erwin, J.E., and R.D. Heins. 1991. Temperature effects on plant growth. Plant Growth Regulator Society Conference, Boston, Massachusetts.
Berghage, R.D., N.K. Lownds, J.E. Erwin, and R.D. Heins. 1991. Circadian temperature effects on nutrient content of poinsettia leaves. Hortscience,26(6):713.
Erwin, J.E., R.D. Berghage, and R.D. Heins. 1991. Circadian temperature effects on plant chlorophyll content. Hortscience, 26(6):105.
Erwin, J.E., P. Velguth, and R.D. Heins. 1991. Diurnal variations in temperature affect cellular elongation but not division. Hortscience, 26(6):105.
Erwin, J.E., and R.D. Heins. 1991. Diurnal variations in temperature affect carbon partitioning in New Guinea Impatiens and fuchsia shoots. Hortscience, 26(6):117.
Berghage, R.D., J.E. Erwin, and R.D. Heins. 1991. Photoperiod influences leaf chlorophyll content in chrysanthemum grown with a negative DIF temperature regime. Hortscience, 26(6):708.
Ascerno, M., and J.E. Erwin. 1990. Temperature effects on whitefly development. J. Amer. Soc. Entomol.,
Erwin, J.E. and R.D. Heins. 1989. Effects of temperature on Schlumbergera truncata flower initiation. Hortscience,, 24: 76.
Erwin, J.E., and R.D. Heins. 1989. Effects of temperature and photoperiod on Fuchsia x hybrida. Hortscience,, 24: 115.
Erwin, J.E., and R.D. Heins. 1988. Effect of diurnal temperature fluctuations on stem elongation circadian rhythms. Hortscience, 23:820.
Erwin, J.E., and R.D. Heins. 1988. Thermomorphogenic stem elongation responses in plants, Hortscience, 23:749.
Karlsson, M.G., R.D. Heins, J.E. Erwin, and R.D. Berghage. 1988. Biomass allocation patterns in Chrysanthemum. Hortscience, 23:750.
Erwin, J.E., R.D. Heins,and M.G. Karlsson. 1987. Thermomorphogenic responses in the Easter lily (Lilium longiflorum Thunb.). Hortscience, 22:573.
Erwin, J.E., R.D. Heins, and M.G. Karlsson. 1987. Modeling Lilium longiflorum Thunb. temperature-dependent rate and increase in plant height from visible bud to flower. Hortscience, 22:574.
Erwin, J.E., and R.D. Heins. 1987. Thermomorphogenesis in Lilium longiflorum Thunb. Proc. Soc. of Expt Biol., Symposium on 'Plants and Temperature'.
Erwin, J.E., and R.D. Heins. 1986. The influence of day temperature and photosynthetic photon flux on the response of Chrysanthemum morifolium Ramat. cvs. 'Bright Golden Anne'and 'Circus' to SADH. Hortscience, 21:827.
Erwin, J.E., and R.D. Heins. 1985. Influence of day and night temperature and irradiance on leaf orientation and stem length of Lilium longiflorum Thunb., Hortscience, 20:767
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