Article
Virulence Survey of Puccinia striiformis in Israel Revealed Considerable Changes in the Pathogen Population During the Period 2001 to 2019.
Plant disease - 1 Nov 2022
Kosman Evsey, Ben-Yehuda Pnina, Manisterski Jacob, Anikster Yehoshua, Sela Hanan
Abstract excerpt
A total of 353 urediniospore isolates of Puccinia striiformis f. sp. tritici (Pst) collected in Israel during 2001 to 2019 were analyzed. Pst pathogenicity was studied with a set of 20 differentials (17 Avocet and 3 other lines). Three periods were compared: 2001 to 2007, 2009 to 2016, and 2017 to 2019. No virulence to Yr5 or Yr15 was detected. Virulence frequencies on Yr4, Yr10, Yr24, and YrSp genes rose to the...
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