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<p>Stalk and bulb decay of garlic (<i>Allium sativum</i> L.) was observed in commercial fields in Jiroft County, Kerman Province, Iran. The causal agent was isolated from symptomatic plants and identified as <i>Rahnella perminowiae</i> based on its morphological and biochemical characteristics and confirmed by specific primers and sequence analysis of 16S rRNA, <i>gyrB</i> and <i>atpD</i> genes. The pathogenicity of the isolates was confirmed twice through inoculation experiments on garlic and onion leaves and bulbs, which resulted in the reproduction of symptoms and re-isolation of <i>R. perminowiae</i>. This is the first report of stalk and bulb decay of garlic caused by <i>R. perminowiae</i>.</p>

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Stalk and bulb decay of garlic (Allium sativum L.) caused by Rahnella perminowiae in Iran

  • 期刊论文

  • 发表日期：

    2025年3月21日

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  • Esmaeil Basavand,
  • Pejman Khodaygan,
  • Sedigheh MohammadiKhah

摘要

Stalk and bulb decay of garlic (Allium sativum L.) was observed in commercial fields in Jiroft County, Kerman Province, Iran. The causal agent was isolated from symptomatic plants and identified as Rahnella perminowiae based on its morphological and biochemical characteristics and confirmed by specific primers and sequence analysis of 16S rRNA, gyrB and atpD genes. The pathogenicity of the isolates was confirmed twice through inoculation experiments on garlic and onion leaves and bulbs, which resulted in the reproduction of symptoms and re-isolation of R. perminowiae. This is the first report of stalk and bulb decay of garlic caused by R. perminowiae.