Evaluation of inhibitory effects of medicinal plants extract against bipolaris oryzae of rice

Paddy crops suffer from many diseases called by fungi ,bacteria, viruses and nematodes. Bipolaris oryzae is a soil borne plant pathogenic fungus which causes brown spot disease in paddy. Plants are reservoir of biological active compounds to control various pathogens. Medicinal Plants such as Bergia capensis L., Marselia quadrifolia L., Parthenium hysterophorus L., Lippia nodiflora L., Azadirachta indica A. Juss., Eclipta prostrata L., Datura metal .L., Cyperus compressus. L., Ocimum santcum L., and Adhatoda vasica Nees. Totally four solvents were used for the present work. Out of four solvents used (Methanol, Acetone, Petroleum ether and Aqueous) the methanolic extract showed good inhibitory activity. The antifungal potential of medicinal plants as alternative chemical fungicides for controlling brown spot of rice.

Author(s): Manimegalai V. and Ambikapathy.V

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