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Soybean Glycine max (L.) Merill is a protein rich oilseed crop. It is considered as a golden bean, miracle bean and wonder crop of the 20th century because of its characters and usage. Wilt/root rot is caused by Sclerotium rolfsii, Rhizoctonia sp. and Fusarium sp. are major constraints in soybean production. The studies on variability of the causal organisms were undertaken. Isolates of all the pathogens showed marked difference in their growth rate and time taken for sclerotial initiation and spore production. Cultural studies on different media revealed that S. rolfsii and Fusarium sp. grew...

Banana is the most important fruit in world trade. It is grown both in home gardens for consumption as well as in very big plantations for export. The crop may be grown in monoculture or in a mixed cropping system with vegetables or nurse crop for coffee, cacao, rubber, citrus, areca, coconut etc. The average yield level per hectare in Karnataka is very low. Many factors may be attributed for the low yields, of which one of the important factors may be poor management of pests and diseases. Fusarium wilt of banana is the major disease affecting banana cultivation in India.Generally chemical...