Welcome to the Horticulture Department at Clemson University

PROGRAM PUBLICATIONS

• Fonseca, J. M., J. W. Rushing, R. L. Thomas, M. B. Riley, and N. C. Rajapakse.  2005.  Factors that affect post-rroduction stability of Parthenolide in feverfew.  J. Herbs Med. Plants (in press).

• Ilias, I. F. and N. C. Rajapakse.  2005.  Influence of Prohexadione-Ca on growth and flowering of petunia and impatiens grown under photoselective films.  Scientia Hort. (in press).

• Fonseca, J. M., J. W. Rushing, N. C. Rajapakse, R. L. Thomas, and M. B. Riley.  2005.  Light, water stress, and harvest time effects on Parthenolide synthesis and Its association with abscisic acid pathway.  J. Plant Physiol. (in press)

• Kim, H-J., F. Chen, X. Wang, and N. Rajapakse.  2005.  Effect of chitosan on biological properties of sweet basil (Ocimum basilicum L.).  J. Food Agric. Chem. (in press).

Faust, J., V. Holcombe, N. Rajapakse, and D. Layne.  2005.  The effect of daily light integral on bedding plant growth and flowering.  HortScience 40(2): (in press).

• Ilias, I. F. and N. C. Rajapakse.  2005.  The effects of End-of-the-Day Red and Far-red Light on Growth and Flowering of Petunia x hybrida 'Countdown Burgandy' Grown under Photoselective Films.  HortScience 40:131-134.

• Cerny, T. A., J. Faust, and N. C. Rajapakse.  2005.  Role of Gibberellin A4 and gibberellin biosynthesis inhibitors on flowering and stem elongation of petunia under modified light environments.  HortScience 40:134-137.

• Gollagunta, V., J. W. Adelberg, J. Reick, and N. C. Rajapakse.  2005.  Sucrose concentration in storage media and cultivar affects post-storage regrowth of in-vitro Hosta propagules.  Plant Cell Tissue Organ Cult. 80:191-199

• Cerny, T. A., J, Reick, and N. C. Rajapakse.  2004.  Height control of vegetable seedlings by greenhouse light manipulation.  J. Vegetable Crop Production10:67-80.

• Gollagunta, V., J. W. Adelberg, J. Rieck, and N. C. Rajapakse.  2004.  Sucrose concentration in liquid media affects soluble carbohydrates, biomass and storage quality of micropropagated hosta.  Plant Tissue Organ Cult. 77:125-131.

• Cerny, T. A., J. Faust, and N. C. Rajapakse.  2003.  Flower development of photoperiod sensitive species under modified light environments.  J. Amer. Soc. Hort. Sci.128:486-491.

• Wilson, S. and N. C. Rajapakse.  2003.  Use of photoselective plastic films to control growth of three perennial salvias.  J Applied Hort. 3 (2):71-74.

• Li, S. N. C. Rajapakse, and R. E. Young.  2003.  Photoselective plastic films affect growth and flowering of chrysanthemum cultivars.  HortScience 38(2):284-287.

• Maki, S. L., S. Rajapakse, R. E. Ballard, and N. C. Rajapakse.  2002.  Far-red light deficient greenhouse environment affects gibberellin metabolism in chrysanthemum.  J. Amer. Soc. Hort. Sci. 127:639-643.

• Wilson, S. B. and N. C. Rajapakse.  2001.  Use of photoselective plastic films to control growth of lisianthus.  HortTechnology 11:581-584.

• Wilson, S. B. and N. C. Rajapakse.  2001.  Growth regulation of sub-tropical perennials by photoselective plastic films.  J. Environ. Hort. 19:65-68.

• Cerny, T. and N. C. Rajapakse.  2000.  Description of light quality parameters in controlled environment research.  Biotronics 29:17-21.

• Tatineni, A. R. T. Fernandez, N. C. Rajapakse.  2000.  Effectiveness of growth regulators under photoselective greenhouse covers with varying phytochrome photoequilibriums.  J. Amer. Soc. Hort. Sci. 125:673-678.

• Wilson, S. B., N. C. Rajapakse, and R. E. Young.  2000.  Use of low temperature and light to improve storage of in-vitro seedlings.  J. Vegetable Crop Production6:51-67.

• Wilson, S. B., N. C. Rajapakse, and R. E. Young.  2000.  Media Composition and Light Affects Storability and Post Storage Recovery of Micropropagated Hosta Plantlets.  HortScience 35:1159-1162.

• Li, S., R. E. Young, and N. C. Rajapakse.  2000.  Growth response of chrysanthemum and bell pepper transplants to several photoselective plastic films.  Scientia Hort. 84:215-225.

Rajapakse, N. and R. Young.  1999.  Plant growth regulation by spectral filters:  Current status and future prospects.  HortTechnology 9:618-624.

• Wilson, S. B., K. Iwabuchi, N. C. Rajapakse, and R. E. Young.  1998.  Responses of broccoli seedlings to light quality during low temperature storage in-vitro. I.  Morphology and survival.  HortScience 33:1253-1257.

• Wilson, S. B., K. Iwabuchi, N. C. Rajapakse, and R. E. Young.  1998.  Responses of broccoli seedlings to light quality during low temperature storage in-vitro.  II. Sugar content and photosynthetic efficiency.  HortScience 33:1258-1261.

• Kambalapally, V. R. and N. C. Rajapakse.  1998.  Influence of spectral filters on the flowering and postharvest performance of Easter Lilies.  HortScience 33:1028-1029.

Adelberg, J., R. Pollock, N. C. Rajapakse, and R. E. Young.  1998.  Micropropagation, decontamination, transcontinental shipping and hydroponic growth of Cattleya while sealed in semi-permeable membrane vessels.  Scientia Hort. 73:23-35.

• Kubota, C., Rajapakse, N. C., and Young, R. E.  1997.  Carbohydrate status and transplant quality of micropropagated broccoli plantlets stored under different light environments.  Postharvest Biol. & Tech. 12:167-173.

Rajapakse, N. C., W. B. Miller, and J. W. Kelly.  1996.  Low temperature storage of rooted chrysanthemum cuttings; relationship to carbohydrate status of cultivars.  J. Amer. Soc. Hort. Sci. 121:740-745.

• Kubota, C., Rajapakse, N. C., and Young, R. E.  1996.  Low temperature storage of micropropagated plantlets under selected light environment.  HortScience 31:449-452.

Rajapakse, N. C. and J. W. Kelly.  1995.  Spectral filters and growing season influence growth and carbohydrate status of chrysanthemum.  J. Amer. Soc. Hort. Sci. 120:78-83.

Rajapakse, N. C. and J. W. Kelly.  1994.  Problems of reporting spectral quality and interpreting phytochrome-mediated responses.  HortScience 29:1404-1407.

Rajapakse, N. C., D. G. Clark, J. W. Kelly, and W. B. Miller.  1994.  Carbohydrate status and postharvest quality of miniature roses as influenced by carbon dioxide enrichment.  Postharvest Biol. and Tech. 4:271-279.

Rajapakse, N. C. and J. W. Kelly.  1994.  Influence of spectral filters on growth and postharvest quality of potted miniature roses.  Scientia Hort. 56:245-255.

• D. R. Decoteau, H. A. Hatt, J. W. Kelly, M. J. McMahon, N. C. Rajapakse, R. E. Young, and R. K. Pollock.  1993.  Application of photomorphogenesis research to horticultural systems.  HortScience 28:974&1063.

Rajapakse, N. C. and J. W. Kelly.  1993.  Influence of copper sulfate spectral filters on transpiration and water use of chrysanthemum.  HortScience 28:999-1001.

Rajapakse, N. C., M. J. McMahon, and J. W. Kelly.  1993.  End of day far-red light reverses the height reduction of Chrysanthemum caused by Copper sulfate spectral filters.  Scientia Hort. 53:249-259.

• Clark, D. G., J. W. Kelly, and N. C. Rajapakse.  1993  The effects of carbon dioxide enrichment on production and postharvest characteristics of Rosa x hybrida L.`Meijikatar'.  J. Amer. Soc. Hort. Sci. 118:613-617.

Rajapakse, N. C., R. Pollock, M. J. McMahon, J. W. Kelly, and R. E. Young.  1992.  Interpretation of light quality measurements and plant response in spectral filter research.  HortScience 27:1208-1211.

Rajapakse, N. C., E. W. Hewett, N. H. Banks, and D. J. Cleland.  1992.  Vacuum infiltration with calcium chloride influences oxygen distribution in apple fruit flesh.  Postharvest Biology and Technology 1:221-229.

Rajapakse N. C. and J. W. Kelly.  1992.  Regulation of chrysanthemum growth by light quality.  J. Amer. Soc. Hort. Sci. 117:481-485.

Rajapakse, N. C. and J. W. Kelly.  1991.  Influence of copper sulfate spectral filters, daminozide and exogenous gibberellic acid on growth of Dendranthema grandiflorum (Ramat.) Kitamura `Bright Golden Anne'.  J. Plant Growth Regul. 10:207-214.

Rajapakse, N. C., D. Wm. Reed, and J. W. Kelly.  1991.  Storage temperature and duration affect quality and post-storage recovery of vegetative Dendranthema grandiflorum cv. Bright Golden Ann.  J. Amer. Soc. Hort. Sci. 116:73-76.

Rajapakse, N. C., N. H. Banks, E. W. Hewett, and D. J. Cleland.  1990.  Development of oxygen concentration gradients in flesh tissues of bulky plant organs.  J. Amer. Soc. Hort. Sci. 115:793-797.

Rajapakse, N. C., J. W. Kelly, and D. Wm. Reed.  1990.  Use of antitranspirants under low light environments to control transpiration of Epipremnum aureum leaves.  Scientia Hort. 43:307-312.

Rajapakse, N .C., D. Wm. Reed, and J. W. Kelly.  1989.  Effect of pre-treatments on transpiration of Chrysanthemum morifolium in the dark.  HortScience 24:998-1000.

Rajapakse, N. C., J. W. Kelly, and D. Wm. Reed. 1988.  Transpiration and water use of potted floricultural plants under low-light conditions.  J. Amer. Soc. Hort. Sci. 113(6):910-914.  


CONFERENCE PROCEEDINGS

Rajapakse, N. and S. Li.  2004.  Exclusion of far red light reduces stem elongation of vegetable seedlings.  Acta Hort. 631:193-199.

• Gollaguntha, V., J. Adelberg, and N. Rajapakse.  2002.  In vitro storage of hosta micropropagules – Effect of media sucrose on post-storage recovery.  Proc SNA 47:361-366.

• Fonseca, J., J. Rushing, N. Rajapakse, R. L. Thomas, and M. B. Riley.  2002.  Medicinal quality of greenhouse-grown feverfew as influenced by preharvest conditions.  Proc SNA 47:84-87.

• Fonseca, J., J. Rushing, N. Rajapakse, R. Thomas, and M. Riley.  2002.  Influence of environmental factors on parthenolide and abscisic acid in feverfew.  Proc. IPPS 52:192-198.

• Ellingson, K. A., T. A. Cerny, and N. C. Rajapakse.  2001.  Seed Germination and Seedling Growth Under Photoselective Films.  Proc. SNA 46:332-334.

• Krumfolz, L. A., S. B. Wilson, and N. C. Rajapakse.  2001.  Growth control of salvia 'indigo spires by photoselective plastic films.  Proc. Flo. State Hort Soc. 114:241-243.

Rajapakse, N. C., T. Cerny, S. Li, and R. Oi.  2001.  Alteration of greenhouse light environment by photoselective covers to produce compact plants.  Acta Hort.559(1):243-248.

• Wilson, S. B., N. C. Rajapakse, and R. E. Young.  2001.  Carbohydrate status and post-storage recovery of micropropagated hosta plantlets stored at varying temperatures in light or darkness.  Acta Hort 543:265-273.

• Cerny, T., N. C. Rajapakse, S. Li, and R. Oi.  2000.  Flowering of selected ornamental plants under photoselective greenhouse films.  Proc. Natl. Agric. Plastics Congress.29:177-185.

• Wilson, S. B. and N. C. Rajapakse.  2000.  Growth regulation of golden shrimp plant by photoselective plastic films.  Proc. Southern Nursery Assoc. Research Conf.45:272-276.

• Cerny, T. and N. C. Rajapakse.  2000.  Environmental control of flowering:  Effect of light quality.  Proc. Plant Growth Regul. Soc. Amer. 27:100-105.

• Cerny, T., N. C. Rajapakse, and R. Oi.  1999.  Recent developments in photoselective greenhouse covers.  Proc. National Agric. Plastics Cong. 28:75-80.

• Cerny, T. A. and N. C. Rajapakse.  1999.  Regulation of Bedding Plant Growth by Photoselective Greenhouse Covers.  Proc. Southern Nursery Assoc. Research Conf.44: 288-291.

Rajapakse, N. C., R. E. Young, and R. Oi.  1998.  Plant growth regulation by photoselective greenhouse covers.  Proc. Natl. Agric. Plastics Congress 27:23-29.

• Tatineni, A. and N. Rajapakse.  1998.  Photoselective films for plant growth regulation. Proc. Southern Nursery Assoc. Research Conf. 43:306-309.

• Wilson, S., N. Rajapakse, and R. Young.  1998.  Low temperature storage of micropropagated Hosta plants under various light qualities.  Proc. Southern Nursery Assoc. Research Conf. 43:320-323.

• N. Rajapakse and R. Young.  1998.  Light Quality Manipulation for Greenhouse Plant Growth Regulation.  Proc. Plant Growth Regul. Soc. Amer. 25:64-69.

Rajapakse N. C. and Shumin Li.  1998.  Photomorphogenesis and Its Horticultural Applications.  Proc. of The Osaka Prefecture Univ. Workshop on ‘Covering Materials for Changing the Spectral Distribution’. P. 10-16.

• Decoteau, D. R., J. W. Kelly, and N. C. Rajapakse.  1997.  Use of light quality to regulate horticultural crop morphogenesis - The Clemson University photomorphogenesis program.  Acta Hort. 435:131-139.

• Reddy, V. K., N. C. Rajapakse, and R. E. Young.  1996.  The influence of spectral composition on the growth and development of chrysanthemum plants.  Acta Hort.440:292-297.

Rajapakse, N. C. and J. W. Kelly.  1995.  Cultivar differences with respect to storage potential and carbohydrate status of rooted chrysanthemum cultivars.  Acta Hort.405:427-434.

• Young, R. E., M. J. McMahon, N. C. Rajapakse, and D. R. Decoteau.  1994.  Spectral filtering for plant production.  Proc. International Lighting in Controlled Environment Workshop. March, 1994.  Univ. of Wisconsin, Madison, WI.  p. 337-349.

The mission of Clemson University's Department of Horticulture is to promote personal and professional growth through the discovery, communication, and application of horticultural experiences, knowledge, and scholarship. Our work fosters environmental stewardship while improving economic wellbeing, health, and quality of life for all.

Designed by Sarah Matzko Horticulture Department
College of Agriculture, Forestry and Life Sciences
Information: 864-656-6355 FAX: 864-656-4960

Department of Horticulture
E-143 Poole Agricultural Center
Box 340319
(Street Address: 50 Cherry Rd.)
Clemson University
Clemson, South Carolina 29634-0319

Linda D. Alexander, Department Webmaster ( lalxndr@clemson.edu)