Poster # 139. Butler, Jessica ¹, Ellison, Aaron¹, ¹ Harvard University, Harvard Forest, Petersham, MA, USA, Nitrogen cycling dynamics in the northern pitcher plant, Sarracenia purpurea.

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Poster # 140. Choi, Sung chul^*,1, Bae, Jeong jin¹, Choo, Yeon sik¹, Park, Yong mok^*,2, ¹ Kyungpook National University, Daegu, Rep, Korea² Cheongju University, Cheongju, Rep, Korea, Ecophysiological characteristics of coastal plants in Korea.

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Poster # 141. Constable, John^*,1, ¹ California State University, Fresno, CA, Changes in the activity of nitrate reductase in response to growth at elevated CO₂.

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Poster # 142. Falik, Omer¹, Barto, Neal¹, Adams, Thomas^*,1, Koide, Roger¹, Eissenstat, David¹, ¹ Pennsylvania State University, University Park, PA, USA, Acclimation of root respiration to temperature among plants species from broad latitudinal gradients.

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Poster # 143. Hancock, Jessica ^*,1, Loya, Wendy ¹, Giardina, Christian ², Pregitzer, Kurt ¹, ¹ School of Forest Resources and Environmental Science, Houghton, MI² North Central Research Station, Houghton, MI, Effects of altered lignin biosynthesis on properties of Populus tremuloides.

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Poster # 144. Hansberry, Janis^*,1, Neuman, Dawn¹, ¹ University of Nevada, Las Vegas, Las Vegas, NV, U.S.A., Interaction between cyclin-dependent kinases and nitrate reductase activity in Phaseolus vulgaris roots grown under nitrogen deficit.

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Poster # 146. hao, Zhang¹, Gen-xuan, Wang, ¹ College of life sciences , Zhejiang University, Hangzhou, Zhejiang province, China, Phytohormonal change scaling relationships in population of Arabidopsis thalinia.

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Poster # 147. Younas, Yasmin^*,1, Neuman, Dawn¹, ¹ University of Nevada, Las Vegas, Las Vegas, NV, U.S.A., The impact of ABA, CK and nitrogen deficit on stomatal responses in Arabidopsis thaliana.

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Poster # 148. Jochum, Gera ^*,1, Mudge, Kenneth², Thomas, Richard¹, ¹ West Virginia University, Morgantown, WV² Cornell University, Ithaca, NY, Variations in root saponins from Panax quinquefolius (American ginseng) grown under increased temperatures.

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Poster # 149. Johnson, Michael¹, Sehtiya, Harbans^{1, 2}, Newton, Paul³, BassiriRad, Hormoz¹, ¹ University of Illinois at Chicago, Chicago, IL² Haryana Agric University, Hisar, India³ AgResearch Grasslands, Palmerston North, New Zealand, Parental CO₂ concentration differentially affects seed germination rate of six pasture species.

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Poster # 150. Joyner-Matos, Joanna^*,1, Chapman, Lauren², Julian, David¹, ¹ University of Florida, Gainesville² McGill University, Montreal, Quebec, Canada, Dissolved oxygen level as a predictor of fingernail clam (Sphaerium sp.) distribution in a Ugandan papyrus swamp.

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Poster # 151. Macedo, Cristiane¹, Barroso, Paulo², Dantas, Gioconda ³, Alloufa, Magdy⁴, ¹ Universidade Federal do Rio Grande do Norte, Natal, RN, Brazil² Empresa Brasileira de Pesquisa Agropecuaria - EMBRAPA, Campina - Grande, PB, Brazil³ Universidade Federal do Rio Grande do Norte, Natal, RN⁴ Universidade Federal do Rio Grande do Norte, Natal, RN, The effect of NaCl on the growth and shoot production of Musa in vitro.

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Poster # 152. Pope, Linda¹, Sullivan, Joseph¹, Momen, Bahram, ¹ University of Maryland-College Park, College Park, MD, USA, Growth and physiology of sugar maple (Acer saccharum) seedlings from various seed sources when exposed to UV-B radiation.

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Poster # 153. Reid, Chantal^*,1, Kiser, Matthew ², Crowell, Alex², Howell, Calvin², ¹ Department of Biology and NSEES, Durham, NC² Department of Physics and TUNL, Durham, NC, Is rapid C transport to roots increasing exudates in a CO2 enhanced atmosphere? Examination with ¹¹C.

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Poster # 154. Sakai, Akiko^*,1, ¹ Yokohama National University, Yokohama, Japan, Resource dynamics for shoot recovery during the growing season in temperate tree seedlings.

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