Abstract

Seventy three types of bananas belonging to different genetic groupings were screened for their susceptibility to the attack of the lace wing bus, Stephanitis typicus under field conditions during a severe outbreak of the pest under heavy insect population. Based on the population of bugs and the number of eggs inserted in the leaf tissue, the plants were classified as resistant, susceptible and highly susceptible based on the grades. assigned for symptoms, population of bugs per leaf and number of eggs per unit area. The types Jurmony, Thatillakunnan, Malakali. Padathi, Agneswar, Krishna vazhai and Kali were found to be resistant while the varieties Klueyteparod, and Manoranjitham were highly susceptible and rest of the varieties susceptible to the lace wing bug.

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