Research Notes: An allele at the rps1 locus from the variety 'Kingwa'

Date
1981-04-01
Authors
Bernard, R.
Cremeens, C.
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Iowa State University Digital Repository
Abstract

Four genes at the sarae locus affecting reaction to phytophthora root rot have been previously identified : rps1, Rps1, Rps1b, Rps1c. As part of our breeding effort to create adapted varieties with resistance from diverse sources we selected the variety ' Kingwa ' which had been reported by Athow et al. (1974) to be r esistant to several races of the phytophthora- rot organism . We used it as a donor parent in backcrossing programs with the varieties 'Clark' (Group IV), ' Corsoy '(Group II ), 'Wells' (Group II), and 'Williams' (Group III) .

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