Session: Physiology II (2017 ESA Annual Meeting (August 6 -- 11))

8:00 AM

COS 44-1

Stem drought resistance, but not stomatal closure, is strongly predicted by aridity among American oaks that differ in leaf habits
Beth Fallon, University of Minnesota; Jeannine Cavender-Bares, University of Minnesota

8:20 AM

COS 44-2

Hydraulic redistribution as a driver of tree and grass competition versus facilitation in a semiarid savanna
Greg A. Barron-Gafford, University of Arizona; Enrique Sanchez-Cañete, Centro Andaluz de Medio Ambiente; Rebecca L. Minor, University of Arizona; Sean Hendryx, University of Arizona; Esther Lee, University of Illinois at Urbana−Champaign; Leland F. Sutter, University of Arizona; Elizabeth Parra, University of Arizona; Anthony Colella, University of Arizona; Patrick Murphy, University of Arizona; Erik Hamerlynck, USDA-ARS; Praveen Kumar, University of Illinois at Urbana−Champaign; Russell L. Scott, USDA-ARS

8:40 AM

COS 44-3

Unravelling traits, genes and trade-offs in low nutrient stress tolerance of cultivated sunflower (Helianthus annuus)
Andries A. Temme, University of Georgia; Kelly L. Kerr, University of Georgia; Irina Ćalić, University of Georgia; Rishi R. Masalia, University of Georgia; Kaleigh Davis, University of Georgia; John M. Burke, University of Georgia; Lisa A. Donovan, University of Georgia

9:00 AM

COS 44-4

The reality of anthropomorphic engineered nanoparticles entering the environment and affecting plant genes and physiology might just change the world?
D. Alexander Wait, Missouri State University

9:20 AM

COS 44-5

The role of leaf hydraulics and rooting depth in explaining seasonal patterns of gas-exchange and phenology in a semi-arid grassland community
Troy Ocheltree, Colorado State University; Kevin E. Mueller, Cleveland State University; Daniel LeCain, USDA-ARS; Julie A. Kray, USDA-ARS; Dana M. Blumenthal, USDA-ARS

9:40 AM

COS 44-

Break

9:50 AM

COS 44-6

Species that experience a wider range of leaf water potentials have greater plasticity in leaf hydraulic parameters
Daniel M. Johnson, University of Idaho; Z. Carter Berry, University of New Hampshire; Kathryn V. Baker, University of Idaho; Duncan D. Smith, University of Wisconsin-Madison; Katherine A. McCulloh, University of Wisconsin-Madison; Jean-Christophe Domec, University of Bordeaux

10:10 AM

COS 44-7

Variation in capacitance of small and large diameter roots and stems within poplar tree xylem (Populus trichocarpa)
Alex B. Baer, California State University Bakersfield; R. Brandon Pratt, California State University, Bakersfield; Anna L. Jacobsen, California State University, Bakersfield

10:30 AM

COS 44-8

Carbohydrate allocation and root growth in mature aspen stands: Testing top-down allocation theory and its implications
Erin T. Wiley, University of Alberta; Pak S. Chow, University of Alberta; Simon M. Landhäusser, University of Alberta

10:50 AM

COS 44-9

Functional xylem anatomy response to drought and insect defoliation in Populus tremuloides
Rachel Hillabrand, University of Alberta; Uwe G. Hacke, University of Alberta; Victor J. Lieffers, University of Alberta; E.H. (Ted) Hogg, Canadian Forest Service

11:10 AM

COS 44-10

Hydraulic mechanisms of fungal-induced dieback in a keystone chaparral species during unprecedented drought in California
Natalie M. Aguirre, Pepperdine University; Marissa E. Ochoa, Whittier College; Helen I. Holmlund, University of California Santa Cruz; Frank W. Ewers, California State Polytechnic University, Pomona; Stephen D. Davis, Pepperdine University

COS 44 - Physiology II