Evaluation of entomopathogens against blossom midge, Contarinia maculipennis Felt in Jasmine (Jasminum sambac L.)

Abstract

The efficacy of microbials against jasmine blossom midge (Contarinia maculipennis Felt) was evaluated under in vitro and field conditions. The results revealed that Metarhizium anisopilae @ 1 × 10 8 spores ml-1 recorded maximum maggot mortality over untreated control (80.06 per cent) followed by Beauveria bassiana @ 1 × 10 8 spores ml-1 spores ml-1 recording 67.57 per cent mortality. The Paecilomyces lilacinus @ 1 × 10 8 spores treated maggots recorded minimum reduction of 50.56 per cent. However, the standard profenophos 50 EC treated maggots recorded 83.78 per cent reduction. Further, field evaluation for confirmation revealed similar trend confirming the efficacy of M. anisopilae with minimum infestation of 8.32, 7.69 and 7.31 per cent followed by B. bassiana recording 8.86, 8.93 and 8.50 per cent and L. lecani recording 9.97, 10.26 and 11.77 per cent infestation after first, second and third round of application respectively.

Biointensive pest management strategies for the control of bud borer and blossom midge in jasmine

“…Narladkar (2015 also reported the efficacy of fungal spores of M. anisopliae and B. bassiana against larval and adult Culicoides midges. The results of laboratory and field studies carried out by Kamala and Kennedy (2018) showed highest maggot mortality of blossom midge with M.anisopliae @ 1 × 10 8 spores ml -1 followed by B. bassiana @ 1 × 10 8 spores ml -1 . Lacey et al (2009) have also reported the efficacy of B. bassiana and M. anisopliae against another soft bodied insect, potato psyllid.…”