Author(s):

Shah MJ, MS Bandgar and KP Waghe

Abstract: Present investigation revealed the physical and chemical methods for controlling root rot of brinjal caused by Rhizoctonia solani under in vitro as well as in vivo condition. Under pot culture experiment, physical method i.e. soil solarization was used to control mortality of seedling caused by R. solani, which showed 76% seed germination and 15.78% rotting of seedlings as against 54% seed germination and 35.18% seedling mortality in non-solarized soil. Due to soil solarization plant height is also increased by conversion of nutrients into available form for profuse growth of seedlings. Efficacy of two fungicides viz. bavistin and thiram were tested by poisoned food technique for the controlling root rot of brinjal. This study revealed that the bavistin (0.02%) and thiram (0.05%) completely inhibited the radial mycelial growth. In vivo Seed treatment with bavistin and thiram resulted into increased seed germination and reduced root rot incidence considerably. Seedling treatment at the time of transplanting also reduced the disease incidence.

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