Abstract
The present study was designed to investigate the effect of fungicide Opera 183 g/L SE on groundnut crop (either as seed or foliar treatment) to control damages and losses incurred especially by the soil borne pathogens Sclerotium rolfsii and Aspergillus niger. The results revealed that 0.15% Opera-treated seeds showed early germination, high percentage of germination, less mortality rate in S. rolfsii and A. niger-infested soil. Enhanced activities of defence-related enzymes, protein, carbohydrate and chlorophyll content up to 2–4 d were observed in Opera-treated plants as compared with untreated plants. Moreover, the application of Opera had a positive effect on yield up to 22%, green fodder at the time of harvest and no disease incidence. From the present study, it is recommended that application of Opera at 750 ml/hectare in the form of foliar treatment to groundnut plants could help in inducing resistance towards opportunistic pathogens and also could enhance the yield.
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