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<p>The isolation of Phytopathogens from durum wheat grains obtained from twenty-eight locations in northeastern Algeria revealed the presence of two <i>Cladosporium</i> isolates in Algerian durum wheat seeds. A macro- and microscopic study was performed to identify these isolates, and the obtained result was confirmed by Molecular identification. Two tests were conducted on three durum wheat varieties to evaluate their pathogenicity on coleoptile and root length, as well as the basal parts. The results revealed that <i>Cladosporium</i> isolates caused a significant decrease in the coleoptile and root length, reaching 100%, and a diminution in the root and shoot length by 29.61% and 49.78%, respectively. It also caused a diminution in root and shoot fresh weight by 88.76% and 56.87%, respectively. Based on all these results, it is the first report of highly pathogenic isolates of <i>Cladosporium colombiae</i> on durum wheat plant in Algeria.</p>

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First report of highly pathogenic Cladosporium colombiae isolates on durum wheat plant in Algeria

  • 期刊论文

  • 发表日期：

    2025年7月1日

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  • Gharzouli Asma,
  • Bencheikh Amor,
  • Sadrati Nouari,
  • Daichi Barkahoum Meriem,
  • Rouag Noureddine

摘要

The isolation of Phytopathogens from durum wheat grains obtained from twenty-eight locations in northeastern Algeria revealed the presence of two Cladosporium isolates in Algerian durum wheat seeds. A macro- and microscopic study was performed to identify these isolates, and the obtained result was confirmed by Molecular identification. Two tests were conducted on three durum wheat varieties to evaluate their pathogenicity on coleoptile and root length, as well as the basal parts. The results revealed that Cladosporium isolates caused a significant decrease in the coleoptile and root length, reaching 100%, and a diminution in the root and shoot length by 29.61% and 49.78%, respectively. It also caused a diminution in root and shoot fresh weight by 88.76% and 56.87%, respectively. Based on all these results, it is the first report of highly pathogenic isolates of Cladosporium colombiae on durum wheat plant in Algeria.