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ARS Home » Southeast Area » Mayaguez, Puerto Rico » Tropical Crops and Germplasm Research » Research » Publications at this Location » Publication #318505

Research Project: Genetic Enhancement of Common Bean Using Exotic Germplasm for Biotic and Abiotic Stress Tolerance

Location: Tropical Crops and Germplasm Research

Title: Characterization of a panel of tepary bean (Phaseolus acutifolius) and its application to theimprovement of this orphan crop

Author
item Porch, Timothy - Tim
item Hart, John
item Vargas, Ana - University Of Puerto Rico
item Brick, M. - University Of Colorado
item Beaver, J. - University Of Puerto Rico

Submitted to: Meeting Abstract
Publication Type: Abstract Only
Publication Acceptance Date: 4/15/2015
Publication Date: N/A
Citation: N/A

Interpretive Summary: High ambient temperature and drought stress as a result of climate change are increasingly critical factors affecting agriculture and specifically grain legume production. Tepary (Phaseolusacutifolius A. Gray), a drought and heat tolerant sister species of common bean (P. vulgaris L.), has long been employed by Native Americans for production in abiotic stress prone regions. A panel of tepary beans, developed for genetic and phenotypic characterization, has been developed from the CIAT and USDA germplasm collections and is being evaluated for importantagricultural traits using genotyping-by-sequencing (GBS). Tepary bean improvement has been initiated and is focused on multiple stress-tolerance including, high temperature and drought stress, and resistance to bean common mosaic virus, rust and bacterial blight. The use of improved tepary germplasm can potentially increase yields of this newly rediscovered crop.

Technical Abstract: High ambient temperature and drought stress as a result of climate change are increasingly critical factors affecting agriculture and specifically grain legume production. Tepary (Phaseolusacutifolius A. Gray), a drought and heat tolerant sister species of common bean (P. vulgaris L.), has long been employed by Native Americans for production in abiotic stress prone regions. A panel of tepary beans, developed for genetic and phenotypic characterization, has been developed from the CIAT and USDA germplasm collections and is being evaluated for importantagricultural traits using genotyping-by-sequencing (GBS). Tepary bean improvement has been initiated and is focused on multiple stress-tolerance including, high temperature and drought stress, and resistance to bean common mosaic virus, rust and bacterial blight. The use of improved tepary germplasm can potentially increase yields of this newly rediscovered crop.