CALENDAR BASED APPLICATION OF INSECTICIDES AGAINST MAJOR PESTS OF SOYBEAN.
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Date
2017-07-11
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Dr. Panjabrao Deshmukh Krishi Vidyapeeth, Akola.
Abstract
The present investigation entitled: “Calendar based application of insecticides against major pests of soybean” was conducted during Kharif season of 2016 on, Experimental Farm of Department of Entomology, Post Graduate Institute, Dr. Panjabrao Deshmukh Krishi Vidyapeeth, Akola.
Chemical insecticidal modules comprising of either combinations of seed treatment and soil application of granular insecticides followed by calendar based foliar applications of chemical insecticides were formulated against the major pests of soybean. The modules were formulated in such a way that it can take care of all the notorious pests of soybean during the season.
The result revealed that foliar application of deltamethrin 1%EC+ triazophos 35%EC mixture (D.T.36% ready mix formulation) @ 0.09% at 15, 30 and 45 DAE proved effective to combat the menace of semilooper, Spodoptera, girdle beetle, tunneling due to stem fly and for achieving higher yield of soybean.
Whereas application of phorate 10 CG @ 15 kg/haThe present investigation entitled: “Calendar based application ofinsecticides against major pests of soybean” was conducted during Kharif season of 2016 on, Experimental Farm of Department of Entomology, Post Graduate Institute, Dr. Panjabrao Deshmukh Krishi Vidyapeeth, Akola.
Chemical insecticidal modules comprising of either combinations of seed treatment and soil application of granular insecticides followed by calendar based foliar applications of chemical insecticides were formulated against the major pests of soybean. The modules were formulated in such a way that it can take care of all the notorious pests of soybean during the season.
The result revealed that foliar application of deltamethrin 1%EC+ triazophos 35%EC mixture (D.T.36% ready mix formulation) @ 0.09% at 15, 30 and 45 DAE proved effective to combat the menace of semilooper, Spodoptera, girdle beetle, tunneling due to stem fly and for achieving higher yield of soybean. at sowing time and 30 DAE was found most effective against of stem fly and tunneling of girdle beetle. The module seed treatment with imidacloprid 48 FS @ 1.25 ml/kg seed fb imidacloprid 17.8 SL @ 0.004% at 30 DAE was effective against leafhoppers and whiteflies with highest ICBR. All chemical insecticidal modules were proved safer to lady bird beetles.
Description
The present study entitled Calendar based application of insecticides against major pests of soybean to find out effect of different chemical insecticidal modules on major pests as well as natural enemies on soybean. From these investigations the module deltamethrin 1%EC+ triazophos 35%EC mixture (D.T.36% ready mix formulation) @ 0.09% at 15, 30 and 45 DAE proved effective to combat the menace of semilooper, Spodoptera, girdle beetle, tunneling due to stem fly and for achieving higher yield of soybean. Whereas application of phorate 10 CG @ 15 kg/ha at sowing time and 30 DAE was found most effective against of stem fly and tunneling of girdle beetle. The module seed treatment with imidacloprid 48 FS @ 1.25 ml/kg seed fb imidacloprid 17.8 SL @ 0.004% at 30 DAE was effective against leafhoppers and whiteflies with highest ICBR. All chemical insecticidal modules were proved safer to lady bird beetles.
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Citation
UGALE, GANESH KASHINATHRAO. (2017). Calendar based application of insecticides against major pests of soybean. Department Of Entomology, Dr. Panjabrao Deshmukh Krishi Vidyapeeth, Akola, M. Sc. 2017, xii, 86p. (Unpublished).