Relations of Races and Virulences of Puccinia recondita f. sp. tritici to Wheat Cultivars and Areas
- 1 January 1988
- journal article
- research article
- Published by Scientific Societies in Plant Disease
- Vol. 72 (1) , 25-27
- https://doi.org/10.1094/pd-72-0025
Abstract
Comparisons of the isolates of Puccinia recondita f. sp. tritici obtained in 1986 by means of source cultivar, UN race, virulence phenotype, specific virulence character, and source area and state showed seven relationship patterns. Several populations of UN 14 were closely associated with the northeastern United states and with the eastern white winter wheat cultivars. UN 14 (p 1,2c,10,11,18) showed a special affinity for Coker 983. UN 2 (p 3,11) showed a special affinity for derivatives of Purdue 4946. Virulence of Lr1 was required to parasitize Tyler. Virulences to Lr24 and 26 were associated with, but not limited to, cultivars known to possess those resistance genes. Combined virulence to Lr1 and 16 was associated with ProBrand 812. Combined virulence to Lr2a and 9 was associated with Coker 762 and Coker 93-23.This publication has 5 references indexed in Scilit:
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