International Journal of Zoology Studies

International Journal of Zoology Studies


ISSN: 2455-7269

Vol. 3, Issue 4 (2018)

A new report of natural infestation of Fusarium solani on banana rhizome weevil, Cosmopolites sordidus germar from Kerala

Author(s): Varsha Vijayan, Anitha N
Abstract: Banana rhizome weevil, Cosmopolites sordidus Germar is a common pest in banana plantations of southern Kerala. Fusarium solani (Mart.) Sacc. was isolated from the weevil collected from College of Agriculture, Vellayani, Thiruvananthapuram and is the first report of the infestation of F. solani on C. sordidus. The fungus was isolated and proved pathogenicity on grubs and adults of C. sordidus. Two days after treatment mortality was observed in grubs adults mortality was observed 5 days after treatment. Symptoms of infestation on grubs of the weevil were the initial brownish discoloration and shrinkage of body, later white creamy mycelial growth developed. On adults white creamy mycelia developed but not covering the entire body.
Pages: 34-36  |  266 Views  96 Downloads
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