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National Agricultural Library
U.S. Department of Agriculture
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  4. A SYNOPTIC APPROACH TO PHYSIOLOGICAL BREEDING FOR DROUGHT RESILIENCE IN BEAN

A SYNOPTIC APPROACH TO PHYSIOLOGICAL BREEDING FOR DROUGHT RESILIENCE IN BEAN

Objective

(1) Measure a wide range of physiological traits and yield components in 300 genotypes of common bean with known genealogy as part of a MAGIC population and 20 genotypes of tepary bean, in the field under two irrigation treatments (well-watered and droughted);(2) Quantify how traits and yield components act individually and in concert to determine yield resilience in drought, by applying results from Objective #1 to a synoptic yield model that includes a physiological model of biomass accumulation; and(3) Use results from Objective #2 to identify traits with the greatest potential impact on yield resilience under drought, and then identify genomic regions associated with those traits by applying results from Objective #1 to genotyping data for our mapping populations.

Investigators
Buckley, T. N.
Institution
University of California - Davis
Start date
2020
End date
2023
Funding Source
Nat'l. Inst. of Food and Agriculture
Project number
CA-D-PLS-2582-CG
Accession number
1022320
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