Field Bio-Efficacy of “Brigade-BL” (Beauveria bassiana) an Entomopathogenic Fungi for the Management of Mealy Bugs on Thompson Seedless Grapes
Author(s) -
Sandeepa Kanitkar,
V. M. Raut,
Sanjay D. Sawant,
D. S. Yadav,
Medha Kulkarni,
Meghraj Kadam
Publication year - 2020
Publication title -
international journal for research in applied sciences and biotechnology
Language(s) - English
Resource type - Journals
ISSN - 2349-8889
DOI - 10.31033/ijrasb.7.5.40
Subject(s) - beauveria bassiana , entomopathogenic fungi , biology , horticulture , botany , biological pest control
A field bio-efficacy of Brigade-BL (Beauveria bassiana) an entomopathogenic fungi was evaluated against mealy bugs (Meconellicoccus hirsutus) on Thompson Seedless grapes at National Research Centre on Grapes, Manjri, Pune during 2014-15. The experiment was conducted in RBD with five replications on foundation pruning and fruit pruning. Results obtained revealed that application of Brigade-BL @ 5.0 ml/L with two sprayings resulted in reduction of mealy bug colonies upto 67.82% in foundation pruning as compared to control. Likewise, at fruiting pruning, after fifth spray of Brigade-BL @ 5.0 ml/L recorded 75.68% reduction in mealy bug population and increase in fruit yield of 92.44% over control. Similarly, there was no any abnormality and phytotoxic effect observed by spraying Brigade-BL on grapevines. Likewise, Brigade-BL was found compatible with Buprofezin 25 SC chemical insecticide.
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