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International Journal of Fauna and Biological Studies

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e-ISSN : 2347-2677, p-ISSN : 2394-0522

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International Journal of Fauna and Biological Studies

2020, Vol. 7 Issue 1, Part B
Efficiency of chlorpyriphos 75 WDG against rice leaf folder, Cnaphalocrosis medinalis Guenee.(Lepidoptera: Crambidae)
Author(s): Vaishali P Sawant and Anand Narangalkar
Abstract: The experiment was conducted to study the efficiency of chlorpyriphos 75 WDG against rice leaf folder, Cnaphalocrosis medinalis Guenee. The research work was carried out during Rabi 2014 - 15 on the rice field of Mr. Kamal Murarkar, village Morabe, Tal. Karjat, Dist. Raigad (M.S.). Experiment consisted of eight treatments and three replications. Two rounds of sprays were done. Observations on per cent infested leaves due to leaf folder were recorded at 7 and 14 days after each application. It was observed that per cent infested leaves decreased with increase in concentration of each insecticide. The results revealed that 7 days after first and second spraying, treatment, Chlorpyriphos 75 WDG @533g/ha was found effective and at par with the treatment, Chlorpyriphos 75 WDG @500g/ha and were significantly superior over all other treatments. Maximum yield was also obtained from the treatment, Chlorpyriphos 75 WDG @533g/ha (51.90 q/ha) and at par with the treatment, Chlorpyriphos 75 WDG @500g/ha (50.70 q/ha).
Pages: 74-77  |  89 Views  2 Downloads
How to cite this article:
Vaishali P Sawant and Anand Narangalkar. Efficiency of chlorpyriphos 75 WDG against rice leaf folder, Cnaphalocrosis medinalis Guenee.(Lepidoptera: Crambidae). International Journal of Fauna and Biological Studies. 2020; 7(1): 74-77.
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International Journal of Fauna and Biological Studies