Abstract

Sclerotial wilt of jasmine incited by Sclerotium rolfsii is a serious menace causing complete death of seedlings and grownup plants. The organic amendments were evaluated for their efficacy in managing the sclerotial wiltdisease and on the antagonistic population. The results revealed that neem cake significantly inhibited the growth of S. rolfsii under in vitro conditions. The lowest sclerotial number, sclerotial dry weight and sclerotial germination were recorded in neem cake amended culture medium. Amending the soil with neem cake also effectively controlled the sclerotial wilt disease under greenhouse conditions. The increase in the population of beneficial fungi, bacteria and actinomycetes in the amended soils was found to be significantly more than the population in the non-amended soils. Neem cake-amended soil recorded the maximum Trichoderma spp. and Pseudomonas fluorescens population. The inoculum levels of S. rolfsii were found to be lower in neem cake-amended soil.

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