Title:

Experimental precipitation manipulation impacts leaf economic trait relationships in a C4 perennial grass

Author(s):

Heckman, Robert W.; Aspinwall, Michael J.; Taylor, Samuel H.; Lowry, David B.; Khasanova, Albina; Bonnette, Jason E.; Razzaque, Samsad; Fay, Philip A.; Juenger, Thomas E.

Publication Year:

2025

How to Cite:

These data were collected using funding from the U.S. Government and can be used without additional permissions or fees. If you use these data in a publication, presentation, or other research product please use the following citation:

Heckman, Robert W.; Aspinwall, Michael J.; Taylor, Samuel H.; Lowry, David B.; Khasanova, Albina; Bonnette, Jason E.; Razzaque, Samsad; Fay, Philip A.; Juenger, Thomas E. 2025. Experimental precipitation manipulation impacts leaf economic trait relationships in a C4 perennial grass. Fort Collins, CO: Forest Service Research Data Archive. https://doi.org/10.2737/RDS-2024-0043

Abstract:

The data in this publication were used to examine the impacts of experimental precipitation manipulation (extremely dry, average, extremely wet) on the relationship between gene expression, biomass production, and the expression of three phenotypes that describe leaf economics strategies (leaf nitrogen concentration, leaf mass per area, photosynthetic rate on a leaf mass basis). Six tetraploid (4x) genotypes of the candidate bioenergy grass, switchgrass (Panicum virgatum), were used in a rainout shelter facility at the USDA-ARS Grassland Soil and Water Research Lab in Temple, Texas, USA. The study began in 2011; leaf economics trait data were collected in June 2012 and biomass production was measured at the end of the growing season in November 2012.

Keywords:

farming; biota; Forest & Plant Health; Botany; Natural Resource Management & Use; extreme precipitation; functional ecology; leaf economics strategy; leaf mass per area; local adaptation; Panicum virgatum; switchgrass; Texas; Temple

Related publications:

• Heckman, Robert W.; Aspinwall, Michael J.; Taylor, Samuel H.; Lowry, David B.; Khasanaova, Albina; Bonnette, Jason E.; Razzaque, Samsad; Fay, Philip A.; Juenger, Thomas E. unknown. Changes in leaf economic trait relationships across a precipitation gradient are related to differential gene expression in a C4 perennial grass. New Phytologist. accepted.
• Aspinwall, Michael J.; Fay, Philip A.; Hawkes, Christine V.; Lowry, David B.; Khasanova, Albina; Bonnette, Jason E.; Taylor, Samuel H.; Whitaker, Briana K.; Johnson, Mari-Vaughn V.; Juenger, Thomas E. 2017. Intraspecific variation in precipitation responses of a widespread C4 grass depends on site water limitation. Journal of Plant Ecology. 10(2): 310-321. https://doi.org/10.1093/jpe/rtw040

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