Susan Han

French Hall 204A

413- 545-5228

susanh@umext.umass.edu

Education

Ph.D., Plant Physiology, University of California, Davis
M.S., Horticulture, University of Missouri, Columbia
B.S., Horticulture, National Taiwan University

Specialties

• Greenhouse production of floral crops
• Postharvest handling of cut flowers and potted plants

Classes:

• PLSOILIN 102 Introduction Botany
• PLSOILIN 321 Greenhouse Crop Production I
• PLSOILIN 335 Greenhouse Crop Production II

Publications

Refereed Publications

Dukovski, D., R. Bernatzky, and S. Han. 2006. Flowering induction of Guzmania by ethylene. Scientia Horticulturae. 110: 104-108.

Elagoz, V., S.S. Han, and W. Manning. 2006. Acquired changes in stomatal characteristics in response to ozone during plant growth and leaf development of bush beans (Phaseolus vulgaris L.) indicate phenotypic plasticity. Env. Pollution 140(3): 395-405.

Miller, J.A. and S.S. Han. 2003. Role of ethylene in postharvest quality of cut Oriental lily ‘Stargazer’. Plant Growth Regulation 40(3): 213-222.

Han, S.S. 2003. Role of sugar in postharvest quality of cut Oriental lily ‘Stargazer’. HortScience 38(3): 412-416.

Han, S.S. 2001. Flowering of three species of Brodiaea. Scientia Horticulturae. 91: 349-355.

Han, S.S. 2001. Flowering of plants in the Brodiaea complex. Herbertia. 55: 107-114.

Han, S.S. 2001. Benzyladenine and gibberellins improve postharvest quality of cut Asiatic and Oriental lilies. HortScience. 36: 741-745.

Han, S.S. 2000. Growth regulators reduce leaf yellowing in Easter lily caused by close spacing and root rot. HortScience. 35(4): 657-660.

Han, S.S. and J. Konieczy. 2000. Responses of whitefly and poinsettias to insecticidal controlled atmospheres. Journal of the American Society for Horticultural Science. 125(4): 513-517.

Han, S.S. and Q. Liu. 1999. Developmental events associated with the critical stage for sex determination in wild-rice florets. International Journal of Plant Science. 160(6): 1127-1133.

Han, S.S. 1998. Postharvest handling of cut Heuchera sanguinea Engelm. flowers: Effects of sucrose and silver thiosulfate. HortScience 33: 731-733.

Han, S.S. 1997. Preventing postproduction leaf yellowing in Easter lily. Journal of the American Society for Horticultural Science 122: 869-872.

Franco, R.E. and S. Han. 1997. Respiratory changes associated with growth regulator delayed of leaf yellowing of Easter lily. Journal of the American Society for Horticultural Science 122: 117 - 121.

Han, S.S. and T.H. Boyle. 1996. Ethylene affects postproduction quality of Easter cactus. Journal of the American Society for Horticultural Science 121: 1174 - 1178.

Boyle, T.H., R. Karle, and S.S. Han. 1995. Pollen germination, pollen tube growth, fruit set, and seed development in Schlumbergera truncata and S. x buckleyi (Cactaceae). Journal of the American Society for Horticultural Science 120: 133-364.

Han, S.S. 1995. Growth regulators delay foliar chlorosis of Easter lily leaves. Journal of the American Society for Horticultural Science 120: 254 - 258.

Han, S.S. and J. Nobel. 1995. Ethylene-induced abscission of Easter cactus phylloclades for vegetative propagation. HortScience 30: 1070 - 1073.

Imanishi, H., A.H. Halevy, A.M. Kofranek, S. Han, and M.S. Reid. 1994. Respiratory and carbohydrate changes during ethylene-mediated flower induction in Dutch iris. Scientia Hort. 59: 275-284.

Han, S.S., A.H. Halevy, R.M. Sachs, and M.S. Reid. 1994. Morphology of flower initiation of brodiaea. Scientia Hort. 56: 235-243.

Scott, D., T.H. Boyle, and S.S. Han. 1994. Floral development and flower longevity in Rhipsalidopsis and Schlumbergera (Cactaceae). HortScience 29: 898-900.

Han, S.S. 1993. Chilling, ethephon, and photoperiod affect cormel production of brodiaea. HortScience 28: 1095-1097.

Han, S.S. 1992. Role of sugars in bud development and vase life of cut Liatris spicata. HortScience 27: 1198-1200.

Han S.S., Halevy, A.H., and Reid, M.S. 1991. The role of ethylene and pollination in petal senescence and ovary growth of Brodiaea. Journal of the America Society for Horticultural Science. 116: 68-72.

Han, S.S., A.H. Halevy., and M.S. Reid. 1991. Postharvest handling of Brodiaea flowers. HortScience 25: 1268-1270.

Han, S.S., A.H. Halevy., R.M.Sachs., and M.S. Reid. 1990. Enhancement of growth and flowering of Triteleia laxa by ethylene. Journal of the American Society for Horticultural Science 115: 482-486.

Han, S.S., A.H. Halevy., R.M.Sachs., and M.S. Reid. 1990. Flowering and corm yield of Brodiaea in response to temperature, photoperiod, corm size and planting depth. Journal of theAmerican Society for Horticultural Science 116: 19-22.

Book Chapter

Han, S.S. and A.H. Halevy. 1993. Triteleia laxa. p 611-616. In: The physiology of flower bulbs. ed. LeNard, M. and A.A. De Hertogh. Elsevier Sci. Pub. Amsterdam, The Netherlands.

Non-refereed Publications

Han, S.S. 2007. Using coral bells as cut flowers. Mayflower 5(6):1-3.

Han, S.S. 2006. Effects of exogenous ethylene and ethylene inhibitors on rooted cuttings. Young Plant Research Center.

Han, S.S. 2004. Sugar and acidity in preservative solutions for field-grown cut flowers. Country Folks Grower. October issue. Pg. 32.-33

Han, S.S. 2004. Basics of handling cut flowers. Extension fact sheet. Two pages.

Han, S.S. 2004. Handling cut flowers in roadside stands. Extension fact sheet. Two pages.

Han, S.S. 2004. Postharvest handling of some field-grown cut flowers. Extension fact sheet. Two pages.

Han, S.S. 2004. Handling of field-grown cut flowers: Role of sugar and acidity in preservative solutions. Extension fact sheet. Three pages.

Han, S.S. 2004. Sugar and acidity in preservative solutions for field-grown cut flowers. Mayflower No. 5: 2-4.

Han, S.S. 2003. Preventing premature bud drop – Evaluation of 1-MCP for prevention of premature bud drop in Impatiens wallerana, double impatiens and New Guinea impatiens. Greenhouse Product News. Dec. 2003 issue. Pages 58-61.

Han, S.S. 2003. Tools for measuring ethylene gas in the greenhouse. The Plantsman.

Han, S.S. 2003. Bud length affects harvest. Greenhouse Management and Production. 23(4): 7.

Han, S.S. 2002. Role of sugar and ethylene on cut lilies. Floral Notes 15(2):3-6.

Han, S.S. 2002. Postharvest handling of cut lilies. (I am one of the first three postharvest physiologists to be invited to write an expert comment on postharvest handling of commodities for Dr. George Staby’s web site, the most comprehensive postharvest database in the world.)

Han, S.S. 2001. Factors to consider when handling cut lilies. Floral Notes. 14(2): 4-9.

Han, S.S. 2001. Factors affecting postharvest quality of cut lilies. GPN 11(9): 28, 30, 32, 33, 95.

Han, S.S. 2001. Postharvest handling of cut lilies. Association of Specialty Cut Flowers Association Newsletter. 13: 26-28.

Han, S.S. 2001. Fascination, a new registered product for preventing leaf yellowing in potted lilies. Floral Notes 13(4): 2.

Han, S.S. 2001. Increasing bud counts in Easter lily. Floral Notes 13(4): 6-7.

Han, S.S. 2001. Handling of field-grown cut flowers. Role of sugar and acidity in preservative solutions. Southeastern Floriculture 10 (5): 29-30.

Han, S.S. 2000. An update on the use of Promalin to prevent greenhouse leaf yellowing in Easter lilies. Floral Notes 12(4): 4-6.

Han, S.S. 2000. Postharvest handling of some field-grown cut flowers. Floral Notes 12(6): 3-4.

Han, S.S. 2000. Understanding ethylene and EthylBloc. Floral Notes 12(6): 10-11.

Han, S.S. 2000. The role of vase solution bacteria in the longevity of cut flowers. Floral Notes 13(1): 10-12.

Han, S.S. 2000. Understanding ethylene and EthylBloc. The Cut Flower Quarterly. 12(3): 37-38.

Han, S.S. 2000. Postharvest handling of field-grown cut flowers. The Cur Flower Quarterly. 12(3): 35-36.

Han, S.S. 1999. Using Coral bells as cut flowers. The Cut Flower Quarterly. 11(3): 6-7.

Han, S.S. 1999. Postharvest handling tips for greenhouse-grown cut flowers of some flowering bulbs. Floral Notes 12(3): 6-7.

Han, S.S. 1999. Handling of field-grown cut flowers ñRole of sugar and acidity in preservative solutions. Floral Notes 11(6): 6-8.

Han, S.S. 1999. Using coral bells as cut flowers. Floral Notes 11(5): 2-3.

Han, S.S. 1999. Leaf yellowing in Easter lilies. Ohio Florist Bulletin 832: 1, 13-14.

Han, S.S. 1998. Grower Question: Outdoor Cut flowers. Mayflower 2(6): 2.

Han, S.S. 1998. Night lighting for prime time marketing of ëFreedomí poinsettia. Floral Notes 11(1): 5-6.

Han, S.S. 1998. Whatís hidden behind the foil of an Easter lily plant? Accents 2(1): 3,5.

Han, S.S. 1998. Growing fleurettes as centerpieces. Floral Notes 10(6): 3-4.

Han, S.S. 1998. Facts on Florel. Floral Notes 10(5): 2-3.

Miller, W.B., A.P. Ranwala, and S.S. Han. 1998. Improving postharvest leaf quality of Easter and Oriental hybrid lilies. GrowersTalk 61(13): 82,84,86,88,90,92.

Han, S.S. 1998. Promalin ñ Potential use for leaf yellowing in Easter lilies, but beware! Floral Notes 10(4): 4-6.

Sedgwick, M., S. Han, R. Porter, and Q. Liu. 1997. Identification of factors involved in wild rice flower development. Minnesota Wild Rice Research Report Pg. 55-62. University of Minnesota Publication.

Han, S.S. 1997. Preventing leaf yellowing in Easter and Oriental lilies. Floral Notes 10(3): 6 - 8.

Han, S.S. 1997. Preventing leaf yellowing in Easter lilies. GrowersTalk 61(9): 62.

Han, S.S. 1995. Basics of handling cut flowers. Georgia Commercial Flower Grower Association Newsletter. Sept./Oct. issue. 26-27. (Reprint of an article previously published in Floral Notes)

Han, S.S. 1994. Basics of handling cut flowers. Country Folks Grower. May issue.

Han, S.S. and J. Nobel. 1994. Prime your poinsettias for a long and satisfying postproduction life. Greenhouse Grower Oct. issue 42 - 46.

Han, S.S. 1993. Handling cut flowers in road-side stands. Floral Notes 6(1): 7-8.

Han, S.S. and J. Nobel. 1993. Proper management during and post-production extends display life of poinsettias. Country Folks Grower. Nov. issue.

Han, S.S. and J. Nobel. 1993. Proper management during and post-production extends display life of poinsettias. Floral Notes 6: 2-5.

Han, S.S. 1993. Reduction in growth of New Guinea impatiens from fungicide applications. Mayflower. Jan. issue.

Han, S.S. 1993. Basics of handling cut flowers. Floral Notes 5: 8-9.

Han, S.S. 1993. Handling cut flowers in roadside stands. Floral Notes 6: 7-8.

Smith, T.M. and S.S. Han. 1992. Garden Mums: The 1992 season. Floral Notes 5(2): 4-5.

Han, S.S. 1992. Fleurettes - A new crop for small flowering potted plants. Floral Notes 4(5): 1-3.

Han, S.S. 1992. Fleurettes - A new crop for flowering potted plants. Professional Plant Growers Association News 13(7): 2-3.

Han, S.S. 1991. Improving the longevity of potted plants with proper cultural practices. Floral Notes 3(4): 2-4.

Han, S.S. 1991. Ethylene accumulation in greenhouses. Floral Notes 3(5): 6-7.

Han, S.S. 1991. Use of STS in flowering potted plants. 1991. Floral Notes 3(7):

Han, S.S. 1991. Improve longevity of potted plants with proper cultural practices. Professional Plant Growers Association News 12(8): 6-7.

Han, S.S. 1989. Factors affecting postproduction life of bedding plants. Floral Notes 1(5): 2-6.

Han, S.S. 1989. Postproduction care of poinsettias. Floral Notes 2(3): 2-3.

Han, S.S., A.H. Halevy, R.M. Sachs, and M.S. Reid. 1989. Effect of ethylene on growth and flowering of Brodiaea. Flower and Nursery Report Spring issue, 5-6.