RELATIVE EFFICACY OF SOME INSECTICIDES AND PLANT PRODUCTS AGAINST MAJOR PESTS OF SOYBEAN [Glycine max (L.) Merill.]
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Date
2010
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Publisher
MPUAT, Udaipur
Abstract
Investigations on relative efficacy of some insecticides and plant
products against major pests of soybean [Glycine max. (L.) Merill.] were
carried out during kharif 2006 in the Department of Entomology, Rajasthan
College of Agriculture, Udaipur. The results revealed that soybean crop in
sub-humid southern plain Zone IV-a was attacked by jassid, Amrasca kerri
Pruthi; whitefly, Bemisia tabaci Gennadius; tobacco caterpillar, Spodoptera
litura Fab.; grey weevil, Myllocerus undecimpustulatus Faust and stem fly,
Melanagromyza sojae Zehntner. The incidence of jassid, A. kerri; white fly, B.
tabaci and stem fly, M. sojae initiated in the second week of August and
attained their peaks in first week of September (36th standard meteorological
week), in third week of September (38th standard meteorological week) and
last week of August (35th standard meteorological week), respectively. While,
tobacco caterpillar, S. litura and grey weevil. M. undecimpustulatus
population commenced in the fourth week of August (34th standard
meteorological week) and last week of August (35th standard meteorological
week), respectively. Both the pests reached their peak in fourth week of
September (39th standard meteorological week).
Description
RELATIVE EFFICACY OF SOME INSECTICIDES AND PLANT PRODUCTS AGAINST MAJOR PESTS OF SOYBEAN [Glycine max (L.) Merill.]
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Citation
Mahrania and Ameta, 2010