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Vol. 10, Issue 7 (2021)

Studies on chemical mediated induction of resistance in chickpea against dry root rot (Rhizoctonia bataticola)

Author(s):
Amrit Kumar Pipalde, Gabu Singh Gathiye and Vishal Verma
Abstract:
The present research work on, “Investigations on chemical mediated induction of resistance in chickpea against dry root rot (Rhizoctonia bataticola).” was carried out in the Section of Plant Pathology, College of Agriculture, Indore, during 2011-12 using variety JG-62. The object of the present investigation were evaluation of SAR inducing chemicals against Rhizoctonia bataticola in vitro, evaluation of SAR inducing chemicals for control of dry root rot in poly house and for control of dry root rot in the field at different concentrations. The experiments were conducted with nine treatments in a Randomized Block Design with three replications and Completely Randomized Design with four replications; observations were recorded at different days after sowing. The typical symptoms of the disease and characterization of the pathogen were described to identify it as R. bataticola. Studies on control of dry root rot by seed treatments and foliar application of SAR compounds were undertaken. Among the tested treatments salicylic acid at 400ppm applied as seed treatment along with its foliar application at 30 DAS and seed treatment with 200ppm isonicotinamide and foliar application of isonicotinamide with 200ppm at 30 DAS were most effective. Seed treatments with 200ppm salicylic acid with 200ppm isonicotinamide was the least effective treatment against R. bataticola. Experiments carried out to evaluate the resistance through salicylic acid and isonicotinamide reduced disease incidence caused by R. bataticola by imparting resistance to the host rather than directly affecting the pathogen. Studies on effect of seed treatments and foliar application on the incidence of dry root rot in chickpea showed that the disease incidence was significantly reduced by combination seed treatment with 400ppm salicylic acid and foliar application of salicylic acid with 400ppm at 30 DAS and seed treatment with 200ppm isonicotinamide and foliar application of isonicotinamide with 200ppm at 30 DAS. But salicylic acid at 400ppm applied as seed treatment along with its foliar application at 30 DAS proved as the best with respect to other control measures.
Pages: 1068-1073  |  244 Views  51 Downloads


The Pharma Innovation Journal
How to cite this article:
Amrit Kumar Pipalde, Gabu Singh Gathiye, Vishal Verma. Studies on chemical mediated induction of resistance in chickpea against dry root rot (Rhizoctonia bataticola). Pharma Innovation 2021;10(7):1068-1073.
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