Virulence and Molecular Characterization Reveal Signs of Sexual Genetic Recombination of Puccinia striiformis f. sp. tritici and Puccinia striiformis f. sp. hordei in Tibet.

Abstract excerpt

Stripe rust of wheat and barley is caused by different formae speciales, Puccinia striiformis f. sp. tritici (Pst) and P. striiformis f. sp. hordei (Psh), respectively. To understand the relationship between the populations of the two formae speciales, a total of 260 P. striiformis isolates, including 140 from barley and 120 from wheat collected from Linzhi, Tibet, China, from 2018 to 2020, were tested on 18...

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