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Dr. Richard Sicher
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Click here for Contact Info, Current Projects, and Recent Publications

Position Title:

Research Plant Pathologist

Education:Ph.D. Dept. of Botany and Plant Pathology, Oregon St. University, 1976
B.S. Department of Botany and Microbiology, Arizona St. University, 1971
Professional Memberships:American Society of Plant Physiologists
Recent Publications

Sicher, R. C. and Bunce, J. A. 1998. Evidence that premature senescence affects photosynthetic decline of wheat flag leaves during growth in elevated carbon dioxide. Int. J. Plant Sci. 159: 798-804.

Ziska, L. H., Sicher, R. C. and Bunce, J. A. 1999. The impact of elevated carbon dioxide on the
growth and gas-exchange of three C4 species differing in CO2 leak rates. Physiol. Plant. 105: 74-80.

Sicher, R. C. 1999. Photosystem-II activity is decreased by yellowing of barley primary leaves during  growth in elevated carbon dioxide. Int. J. Plant Sci. 160: 849-854.

Sicher, R. C. and Bunce, J. A. 1999. Photosynthetic enhancement and conductance to water vapor of field-grown Solanum tuberosum (L.) in response to CO2 enrichment. Photosyn. Res. 62: 155-163.

Sicher, R. C. and Bunce J.A. 1999. Protein adjustments in wheat flag leaves in response to atmospheric CO2 enrichment. In: Photosynthesis: Mechanisms and Effects. Proceedings of the XI International Congress on Photosynthesis, G. Garab, ed., Kluwer Academic Publishers, The Hague, vol. V, 4744 pp. (Conference Proceeding)

Bunce, J. A. and Sicher, R. C.  Water stress and day-to-day variation in apparent photosynthetic acclimation of field-grown soybeans to elevated carbon dioxide concentration.  Photosynthetica 39:  95-101.  2001.


Sicher, R. C. and Bunce, J. A.  Adjustments of net photosynthesis in Solanum tuberosum in response to reciprocal changes in ambient and elevated growth CO2 partial pressures.  Physiol. Plant. 111:  55-61.  2001.


Sicher, R.C.  Responses of nitrogen metabolism in N-sufficient barley primary leaves to plant growth in elevated atmospheric carbon dioxide.  Photosyn. Res.  68: 193-201.  2001


Ivic, S.D., Sicher, R.C. and Smigocki, A.  Growth habit and sugar accumulation in sugarbeet (Beta vulgaris L.) transformed with a cytokinin biosynthesis gene.  Plant Cell Reports. 20(8):  ( 2001.


Zhou, R., Sicher, R. and Quebedeaux, B.  Diurnal changes in carbohydrate metabolism in apple mature leaves.  Aust. J. of Plant Physiol.  28: 1143-1150.  2002.


Zhou, R., Sicher, R. and Quebedeaux, B.  Apple leaf sucrose-phosphate synthase is inhibited by sorbitol-6-phosphate.  Funct. Plant Biol. 29: 569-574. 2002.


Bunce J. A. and Sicher, R. C.  Daily irradiance and feedback inhibition of photosynthesis at elevated carbon dioxide in Brassica oleracea.  Photosynthetica 41: 481-488.  2003.


 Zhou, R., Sicher, R.C., Cheng, L. and Quebedeaux, B. Regulation of apple leaf aldose-6-phosphate reductase activity by inorganic phosphate and divalent cations.  Funct. Plant Biol.  30: 1037-1043.  2003.


Robinson, J. M. and Sicher, R. C.  Antioxidant levels decline in primary leaves of barley during growth at ambient and elevated carbon dioxide levels.  Intl. J. Plant Sci.  165:965-972.  2004. 


Bae, H. and Sicher, R.C.  Changes of soluble protein expression and leaf metabolite levels in Arabidopsisthaliana grown in elevated atmospheric carbon dioxide.  Field Crops Res.  90: 61-73.  2004.


Sicher, R.C.  Interactive effects of phosphate nutrition and carbon dioxide enrichment on assimilate partitioning in barley roots. Physiol. Plant.  123: 219-226.  2005.


Bae H., Herman E. and Sicher R.  Exogenous trehalose promotes non-structural carbohydrate accumulation and induces chemical detoxification and stress response proteins in Arabidopsis thaliana grown in liquid culture.  Plant Sci.  000: 000-000.  In press.