Pathotype Characterization, Frequency Shift, and Geographical Distribution of Puccinia striiformis f. sp. tritici in North India from 2019 to 2024 and Identification of Genetic Resistance in Cultivated Wheat Varieties.

Abstract excerpt

Yellow (stripe) rust, caused by Puccinia striiformis f. sp. tritici (Pst), is a serious threat to wheat crops grown in northern India. This study involved surveying wheat fields in North Indian states over five consecutive cropping seasons (2019 to 2024) to collect yellow rust samples, deciphering genetic diversity among the pathotypes and identifying the sources of rust resistance. A total of 866 yellow rust...

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