Trichoderma virens mitigates the root-knot disease progression in the chickpea plant
2022
Amir Khan | Manar Fawzi Bani Mfarrej | Hera Nadeem | Lukman Ahamad | Mohamed Hashem | Saad Alamri | Rishil Gupta | Faheem Ahmad
This study was planned to investigate the efficacy of various concentrations of Trichoderma virens against Meloidogyne incognita in vitro. The five concentrations viz., S, S/2, S/ 10, S/25, S/50 were prepared and planned for in vitro study to test the potential of T. virens against hatching and mortality of second-staged juveniles of M. incognita. It was observed a reduction in second-staged juveniles hatching within all tested aqueous concentrations of T. virens. The second-stage juvenile mortality was also recorded in the above-given concentrations of T. virens. The maximum decrease in second-stage juveniles hatching was found in standard aqueous fungal concentration (S). Moreover, in the same T. virens concentration (S), mortality of juveniles was also recorded as highest, and was followed by S/2, S/10, S/25 and S/50. Additionally, the application of T. virens as an individual, simultaneous, and sequential order with M. incognita was also investigated in pot-grown chickpea plants and found that its use was significantly effective in suppressing root-galling disease and improved the plants' growth and physiological attributes. According to the correlation coefficient analysis, the root-knot index correlated significantly with the per cent reduction of the plants' growth and physiological attributes.
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