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<p>The incitant of chickpea wilt disease, <i>Fusarium oxysporum</i> f.sp. <i>ciceris</i> (<i>FOC</i>), is a highly destructive fungal pathogen in major chickpea growing regions of the world. The current field investigations were conducted from November 2022 to February 2023 and repeated in 2023–2024 to manage <i>FOC</i> sustainably and eco-friendly. The experiments were designed as nine treatments: <i>Trichoderma harzianum</i> (alone), neem cake (alone), carbendazim (alone), <i>T. harzianum</i> + neem cake, <i>T. harzianum</i>-enriched neem cake, carbendazim (½ dose) + <i>T. harzianum</i>, carbendazim (½ dose) + neem cake, carbendazim (½ dose) + <i>T. harzianum</i>-enriched neem cake and untreated control. The results of the two-year study showed that soil application of <i>T. harzianum</i>-enriched neem cake significantly reduced the chickpea wilt severity (69%) and the rhizosphere population of <i>FOC</i> (60%). The plant&#xa0;growth characteristics (22–24%) and yield (17–23%) of chickpea were also enhanced by the aforementioned treatment. <i>T. harzianum</i> + carbendazim (½ dose) and <i>T. harzianum</i> + neem cake were two additional treatments that considerably lessened the wilt severity (52–55%) and increased chickpea yield (12–15%). This is the first report of <i>T. harzianum</i> mass-multiplied on neem cake&#xa0;and used as a biocontrol agent against <i>FOC</i> causing wilt of chickpea. In order to simplify the application processes and combine the advantages of organic amendments and biocontrol, neem cake could be investigated as a viable substrate for the large-scale mass production of <i>Trichoderma</i> spp. and other saprophytic biocontrol fungi.</p>

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Trichoderma-enriched neem cake mitigates Fusarium wilt of chickpea (Fusarium oxysporum f.sp. ciceris)

  • 期刊论文

  • 发表日期：

    2025年4月22日

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  • Ziaul Haque,
  • Sarwar Nawaz,
  • Lavi Haidar,
  • Mohd Shahid Anwar Ansari

摘要

The incitant of chickpea wilt disease, Fusarium oxysporum f.sp. ciceris (FOC), is a highly destructive fungal pathogen in major chickpea growing regions of the world. The current field investigations were conducted from November 2022 to February 2023 and repeated in 2023–2024 to manage FOC sustainably and eco-friendly. The experiments were designed as nine treatments: Trichoderma harzianum (alone), neem cake (alone), carbendazim (alone), T. harzianum + neem cake, T. harzianum-enriched neem cake, carbendazim (½ dose) + T. harzianum, carbendazim (½ dose) + neem cake, carbendazim (½ dose) + T. harzianum-enriched neem cake and untreated control. The results of the two-year study showed that soil application of T. harzianum-enriched neem cake significantly reduced the chickpea wilt severity (69%) and the rhizosphere population of FOC (60%). The plant growth characteristics (22–24%) and yield (17–23%) of chickpea were also enhanced by the aforementioned treatment. T. harzianum + carbendazim (½ dose) and T. harzianum + neem cake were two additional treatments that considerably lessened the wilt severity (52–55%) and increased chickpea yield (12–15%). This is the first report of T. harzianum mass-multiplied on neem cake and used as a biocontrol agent against FOC causing wilt of chickpea. In order to simplify the application processes and combine the advantages of organic amendments and biocontrol, neem cake could be investigated as a viable substrate for the large-scale mass production of Trichoderma spp. and other saprophytic biocontrol fungi.