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Journal of Entomology and Zoology Studies
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P-ISSN: 2349-6800, E-ISSN: 2320-7078

Journal of Entomology and Zoology Studies

2017, Vol. 5, Issue 6
Implication of oil based formulation of Beauveria bassiana vuillemin in inducing defense related enzymes in onion plants

S Sangamithra, S Jeyarani and K Ramaraju

The foliar application of oil based formulation of B.bassiana (Bb 112) @ 108 spores ml-1 had significant influence on the induction of defense related enzymes against Thrips tabaci Lindeman infestation in onion. On four days after treatment (DAT), maximum activity of phenylalanine ammonia-lyase (0.63 μmol trans-cinnamic acid min-1 g-1 of fresh tissue) and total phenol content of 7.60 μg of catechol g-1 of fresh tissue was recorded. The maximum activity of lipoxygenase (0.21 min-1 g-1 of fresh tissue) was recorded on 6 DAT and on 10 DAT, peroxidase, polyphenol oxidase, catalase and super oxide dismutase (SOD) reached its maximum in thrips infested onion plants treated with foliar application of oil based formulation of Bb 112
Pages : 766-772 | 968 Views | 150 Downloads


Journal of Entomology and Zoology Studies Journal of Entomology and Zoology Studies
How to cite this article:
S Sangamithra, S Jeyarani, K Ramaraju. Implication of oil based formulation of Beauveria bassiana vuillemin in inducing defense related enzymes in onion plants. J Entomol Zool Stud 2017;5(6):766-772.

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