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<p>Lentil is an important legume crop, but it is plagued by a plethora of diseases, which limits its productivity considerably. <i>Trichoderma</i> is a fungus and potent biocontrol agent, which is associated with the management of numerous soil-borne plant pathogens. Considering the importance of biological management of soil-borne pathogens, a study was conducted to evaluate the bio-efficacy of a <i>Trichoderma</i> strain against Fusarium wilt and collar rot diseases of lentil, as well as its impact on plant growth promotion. Among the three <i>Trichoderma</i> isolates tested, isolate TDM3 showed the best results in controlling diseases under in vitro conditions and was thus used in the nethouse experiment. In the nethouse, the TDM3 bioformulation significantly reduced disease incidence and plant mortality. Additionally, the <i>Trichoderma</i> treatment enhanced growth parameters like shoot and root length in varieties such as MM-279, HUL-57, and WBL-77, and improved nutrient and pigment content in varieties L-4710, L-4717, C23E21, and WBL-77. An overall increase in shoot length (26.49%), root length (42.32%), shoot (52.59%) and root (78.57%) dry weight, shoot (77.98%) and root (90.54%) fresh weight, pod number (95.51%), and seeds per pod (36.64%), was observed in treated plants compared with the non-treated control. Similarly, pigment concentrations were markedly enhanced, with total chlorophyll and carotenoid content increasing by 55.1% and 113.4%, respectively. Overall, <i>Trichoderma</i> treatment effectively mitigated soil-borne diseases while boosting plant growth and nutrient concentrations. The TDM3 strain of <i>Trichoderma</i> could be used further for assessing the bio-efficacy against other important soil-borne pathogens.</p>

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Revitalizing the lentil crop by use of a native Trichoderma sp. for Fusarium wilt and collar rot disease management and plant growth promotion

  • 期刊论文

  • 发表日期：

    2025年12月3日

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  • Sangam Choudhury,
  • Sunita Mahapatra,
  • Sunanda Chakraborty,
  • Arup Sen,
  • Sk. Hasibul Alam,
  • Anubhab Hooi,
  • B. Teja Bhushan

摘要

Lentil is an important legume crop, but it is plagued by a plethora of diseases, which limits its productivity considerably. Trichoderma is a fungus and potent biocontrol agent, which is associated with the management of numerous soil-borne plant pathogens. Considering the importance of biological management of soil-borne pathogens, a study was conducted to evaluate the bio-efficacy of a Trichoderma strain against Fusarium wilt and collar rot diseases of lentil, as well as its impact on plant growth promotion. Among the three Trichoderma isolates tested, isolate TDM3 showed the best results in controlling diseases under in vitro conditions and was thus used in the nethouse experiment. In the nethouse, the TDM3 bioformulation significantly reduced disease incidence and plant mortality. Additionally, the Trichoderma treatment enhanced growth parameters like shoot and root length in varieties such as MM-279, HUL-57, and WBL-77, and improved nutrient and pigment content in varieties L-4710, L-4717, C23E21, and WBL-77. An overall increase in shoot length (26.49%), root length (42.32%), shoot (52.59%) and root (78.57%) dry weight, shoot (77.98%) and root (90.54%) fresh weight, pod number (95.51%), and seeds per pod (36.64%), was observed in treated plants compared with the non-treated control. Similarly, pigment concentrations were markedly enhanced, with total chlorophyll and carotenoid content increasing by 55.1% and 113.4%, respectively. Overall, Trichoderma treatment effectively mitigated soil-borne diseases while boosting plant growth and nutrient concentrations. The TDM3 strain of Trichoderma could be used further for assessing the bio-efficacy against other important soil-borne pathogens.