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Journal of Entomology and Zoology Studies
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ISSN Print: 2349-6800 | ISSN Online: 2320-7078

Journal of Entomology and Zoology Studies

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2018, Vol. 6, Issue 1
Field evaluation of EC formulations of Metarhizium anisopliae (Meschinikoff) Sorokin and insecticides against groundnut white grub, Holotrichia fissa Brenske

Jeer Vinayaka and RR Patil

A field experiment against groundnut white grubs, Holotrichia fissa was laid out in the Hattarawata village of chikkodi taluka, Belgavi district, Karnataka, India during 2013-2014 cropping season. At 30 DAT chlorpyriphos 20 EC @10 l/ha, rynaxypyr 4G @ 20kg/ha, M. anisopliae (Novozyme) @5×109 (3ml/l) and M. anisopliae (Novozyme) @5×109 (2.5 ml/l) cent per cent reduction whereas, M. anisopliae (T-stanes) @1×109 (3ml/l) and M. anisopliae (T-stanes) @1×109 (2.5ml/l) could also produce similar effects among themselves and registered 98.10 and 96.32 % reduction respectively. But, they were significantly superior over M. anisopliae (T-stanes) @1×109 (5 kg/acre), M. anisopliae (Novozyme) @5×109 (2ml/l) and untreated check. Among EC formulations, M. anisopliae (Novozyme) @5×109 (3ml/l) and M. anisopliae (T-stanes) @1×109 (3ml/l) recorded 18.00 and 17.88q/ha yield respectively next to chlorpyriphos 20EC @ 10ml/ l and rynaxypyr 4G @20 kg/ha with 19.17 and 19.16 q/ha respectively. The average benefit for every rupee invested was highest (2.15) in chlorpyriphos 20EC @ 10ml/ l followed by M. anisopliae (Novozyme) @1×109 (3ml/l) with the earnings of Rs. 2.11.
Pages : 1357-1360 | 330 Views | 14 Downloads
How to cite this article:
Jeer Vinayaka, RR Patil. Field evaluation of EC formulations of Metarhizium anisopliae (Meschinikoff) Sorokin and insecticides against groundnut white grub, Holotrichia fissa Brenske. J Entomol Zool Stud 2018;6(1):1357-1360.
Journal of Entomology and Zoology Studies
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