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<p>This study identified the pathotypes of <i>Pyrenophora teres</i> collected from the Şanlıurfa province of Türkiye located in the Fertile Crescent region. From 47&#xa0;isolates of <i>P.&#xa0;teres</i> f.&#xa0;<i>teres </i>obtained from <i>H.&#xa0;vulgare</i>, 37&#xa0;pathotypes were found. Among the 37&#xa0;isolates of <i>P.&#xa0;teres</i> f.&#xa0;<i>maculata</i> from <i>H.&#xa0;vulgare</i>, 25&#xa0;pathotypes were identified. From the 40&#xa0;isolates of <i>P.&#xa0;teres</i> f.&#xa0;<i>teres</i> collected from <i>H.&#xa0;bulbosum</i> and <i>H.&#xa0;spontaneum</i>, 31&#xa0;pathotypes were found. Furthermore, 9&#xa0;pathotypes were identified among the 22&#xa0;isolates of <i>P.&#xa0;teres</i> f.&#xa0;<i>maculata</i> from <i>H.&#xa0;spontaneum</i>. In total, 63&#xa0;pathotypes were identified from the <i>P.&#xa0;teres</i> f.&#xa0;<i>teres</i> isolates obtained from <i>H.&#xa0;vulgare, H.&#xa0;bulbosum</i>, and <i>H.&#xa0;spontaneum</i> and 31&#xa0;pathotypes were recognized from isolates of <i>P.&#xa0;teres</i> f.&#xa0;<i>maculata</i> from <i>H.&#xa0;vulgare</i> and <i>H.&#xa0;spontaneum</i>. These findings indicate that <i>P.&#xa0;teres</i> shows significant pathogenic diversity and wild barley species contribute to this diversity.</p>

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Different Hordeum Species Contribute to the Pathotype Diversity of Net Blotch Pathogens in the Fertile Crescent

  • 期刊论文

  • 发表日期：

    2025年4月2日

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  • Işıl Saraç Sivrikaya,
  • Arzu Çelik Oğuz,
  • Aziz Karakaya

摘要

This study identified the pathotypes of Pyrenophora teres collected from the Şanlıurfa province of Türkiye located in the Fertile Crescent region. From 47 isolates of P. teres f. teres obtained from H. vulgare, 37 pathotypes were found. Among the 37 isolates of P. teres f. maculata from H. vulgare, 25 pathotypes were identified. From the 40 isolates of P. teres f. teres collected from H. bulbosum and H. spontaneum, 31 pathotypes were found. Furthermore, 9 pathotypes were identified among the 22 isolates of P. teres f. maculata from H. spontaneum. In total, 63 pathotypes were identified from the P. teres f. teres isolates obtained from H. vulgare, H. bulbosum, and H. spontaneum and 31 pathotypes were recognized from isolates of P. teres f. maculata from H. vulgare and H. spontaneum. These findings indicate that P. teres shows significant pathogenic diversity and wild barley species contribute to this diversity.