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<p>The 2022present study was conducted to evaluate the effectiveness of the combined application of <i>Azadirachta indica</i> (neem) and biocontrol agents against <i>Meloidogyne javanica</i> on peach. The results demonstrated that the combination of <i>A. indica</i> with <i>Pochonia chlamydosporia</i> remained superior by recording the lowest number of root galls, followed closely by <i>Purpureocillium lilacinum</i>, which was statistically at par with the chemical control (Rugby), showing gall reductions by 72.54%, 67.88%, and 75.65% over the control, respectively. Conversely, <i>Trichoderma viride</i> and <i>T. harzianum</i> were the least effective in reducing gall formation. The application of <i>A. indica</i> with biocontrol agents, especially <i>P. chlamydosporia</i> and <i>P. lilacinum</i>, also led to significant reductions in the number of egg masses. Moreover, the number of eggs per egg mass significantly decreased in these integrated treatments, with <i>P. chlamydosporia</i> recording the fewest eggs per egg mass, comparable to the Rugby treatment, while <i>T. viride</i> resulted in the highest fecundity. The overall nematode population was markedly reduced across all treatments (<i>P</i> &lt; 0.05), with <i>P. chlamydosporia</i> causing the greatest suppression, followed by <i>P. lilacinum</i>. This study highlights the potential of <i>A. indica</i> in synergy with specific biocontrol agents, particularly <i>P. chlamydosporia</i> and <i>P. lilacinum</i>, for managing <i>M. javanica</i> in peach.</p>

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Synergistic efficacy of Azadirachta indica and biocontrol agents in mitigating Meloidogyne javanica infection in peach

  • 期刊论文

  • 发表日期：

    2026年1月29日

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  • Muhammad Saeed,
  • Tariq Mukhtar,
  • Raees Ahmed,
  • Umair Mehmood,
  • Muhammad Aamir Iqbal

摘要

The 2022present study was conducted to evaluate the effectiveness of the combined application of Azadirachta indica (neem) and biocontrol agents against Meloidogyne javanica on peach. The results demonstrated that the combination of A. indica with Pochonia chlamydosporia remained superior by recording the lowest number of root galls, followed closely by Purpureocillium lilacinum, which was statistically at par with the chemical control (Rugby), showing gall reductions by 72.54%, 67.88%, and 75.65% over the control, respectively. Conversely, Trichoderma viride and T. harzianum were the least effective in reducing gall formation. The application of A. indica with biocontrol agents, especially P. chlamydosporia and P. lilacinum, also led to significant reductions in the number of egg masses. Moreover, the number of eggs per egg mass significantly decreased in these integrated treatments, with P. chlamydosporia recording the fewest eggs per egg mass, comparable to the Rugby treatment, while T. viride resulted in the highest fecundity. The overall nematode population was markedly reduced across all treatments (P < 0.05), with P. chlamydosporia causing the greatest suppression, followed by P. lilacinum. This study highlights the potential of A. indica in synergy with specific biocontrol agents, particularly P. chlamydosporia and P. lilacinum, for managing M. javanica in peach.