Abstract

  The present experiment was conducted to evaluate the tritrophic effect of Metarhizium anisopliae on wheat aphids and its parasitoids. The experiment consisted of ten treatments having seven concentrations (1 ppm, 2 ppm, 4 ppm, 8 ppm, 16 ppm, 32 ppm and 64 ppm) of M. anisopliae and field recommended doses of confidor (Imidacloprid) + Hombre (Febuconazole + Imidacloprid) and control. No aphid infestation was observed during the 1st week of December to the 2nd week of the February. 1.5 aphids/tiller were observed where Hombre, Confidor and M. anisopliae at the rate of 64 ppm, 32 ppm and 16 ppm were applied. Maximum aphid population (10.5/tiller) was observed in the control area than the treated plots. M. anisopliae application at the rate of 1 ppm, 2 ppm, 4 ppm and 8 ppm demonstrated 64.0%, 64.50%, 64.55% and 64.51% percent adult emergence of aphids. Seed treatment method was found statistically more effective (3.8 aphids/tiller) than root dip method (3.0 aphid/tiller).

Keywords: Beauveria bassiana ; Confidor; EPF; Imidacloprid; IPM; Metarhizium anisopliae; Shizaphis graminum; Triticum aestivum

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Citation

Citation: Hafiz Sultan Sulahudin., et al. “Tritrophic Effect of Metarhizium anisopliae on Wheat Aphids and its Parasitoids". Acta Scientific Agriculture 4.3 (2020): 01-05.

Copyright

Copyright: © 2020 Hafiz Sultan Sulahudin., et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.