94th ESA Annual Meeting (August 2 -- 7, 2009)

COS 79 - Rhizophere and Root Function

Wednesday, August 5, 2009: 1:30 PM-5:00 PM
Grand Pavillion IV, Hyatt
Presider:
Michael Rawson Clark
1:30 PM
Morphological and physiological plasticity of root nutrient foraging in Solidago altissimas and Callistephus chinensis
Zhe Bao, Virginia Polytechnic Institute and State University (Virginia Tech); Pu Mou, Beijing Normal University; Zengquan Tan, Beijing Normal University; Robert H. Jones, West Virginia University
1:50 PM
Optimal partitioning theory revisited: Nonstructural carbohydrates dominate root mass responses to nitrogen
Richard K. Kobe, Michigan State University; Meera Iyer, Michigan State University; Michael B. Walters, Michigan State University
2:10 PM
2:30 PM
Root exudation varies between clones of loblolly pine in response to fertilizer application
Jeremy P. Stovall, University of Vermont; John R. Seiler, Virginia Tech; Thomas R. Fox, Virginia Tech
2:50 PM
Effect of species composition, warming and rainfall redistribution on soil CO2 efflux in oak savanna
Andrew D. Cartmill, Texas A&M University; Astrid Volder, University of California -Davis; Mark G. Tjoelker, University of Western Sydney; Oana Popescu, Texas A&M University; David D. Briske, Texas A&M University
3:10 PM
3:20 PM
Ecological implications of rhizosphere priming effects
Weixin Cheng, University of California at Santa Cruz; Biao Zhu, Lawrence Berkeley National Laboratory; Daniel Keck, University of California
3:40 PM
Linking fine root lifespan with suites of plant species traits
M. Luke McCormack, University of Minnesota; Thomas S. Adams, The Pennsylvania State University; David Eissenstat, The Pennsylvania State University
4:00 PM
Controls over root lifespan
David M. Eissenstat, The Pennsylvania State University; M. Luke McCormack, University of Minnesota; Thomas S. Adams, The Pennsylvania State University
4:20 PM
Changes in root traits of oak-savanna dominants as affected by warming, rainfall distribution and competition
Astrid Volder, University of California -Davis; David D. Briske, Texas A&M University; Mark G. Tjoelker, University of Western Sydney
4:40 PM
Relay networking in plants
Omer Falik, Institutes for Desert Research, Ben-Gurion University of the Negev; Ariel Novoplansky, Ben Gurion University of the Negev