Sustainable Management of Nursery Diseases (Root Rot and Wilt) of Bael (Aegle marmelos Correa)

The investigation entitled was conducted in two continuous years at Achary Narendra Deva University of Agriculture and Technology, Kumarganj, Ayodhya. root rot and wilt of bael at nursery stage are very destructive because more than 35-40 % seedling of bael were died. This disease is highly prevalent at nursery stage during rainy season under warm and high humidity. Therefore, soil borne antagonistic fungus is more effective against the root rot and wilt pathogen of bael (Aegle marmelos, Correa). In this way, the efficacy of three Trichoderma species viz., T.harzianum,T.virens and T. viride were tested against the Fusarium solani causing root rot and wilt of bael under in vitro and in vivo conditions. In dual culture, we found that these antagonistic species of Trichoderma grow very fast before touching the colony of the F. solani and completely covering the colony of F. solani in 8 days. The population of F. solani infested soil could be minimized by treating the soil with T. harzianum, T. virens and T. viride.