Author(s):

Manoj Kumar and Anil Kumar

Abstract: Potato (Solanum tuberosum L.) is an important vegetable crop. Among fungal diseases of potato, black scurf disease caused by Rhizoctonia solani Kuhn is a major problem all over the world. Black scurf develops as the presence of brown to black colored sclerotia on the peel of potato tuber. Recently, use of organic amendment to control soil borne diseases is attaining an importance because it reduces the cost of cultivation, avoids the health hazards and also eco-friendly in nature which is an efficient non chemical method and indirect approach to control the pathogen. The soil amendment of vermicompost could control disease up to 40.00 and 50.01 per cent at the dose of 10 and 20 g/kg soil/pot respectively, followed by Neem cake (35.01 and 45%) and mustard cake (25 and 30%), whereas, least disease control was recorded by spent mushroom compost (10 and 15%) and farmyard manure (15 and 20.01%), respectively compared to the control.

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