Diagnosis of important insect pests of soybean in Peshawar [Pakistan]
2000
Iqbal, J. (Barani Agricultural Research Station, Kohat (Pakistan)) | Shahid, M. | Akhtar, N. | Hassan, M.
In the study of insect pests of soybean (Glycine max L. Merrill,) in Peshawar, the insects found or feeding on soybean plants were white fly Bemisia tabaci (Gen), Thrips flavus Schr, jassids Amrasca biguttula (Gen.), painted bug Piezodorus sp., hairy catterpiller Euproctus sp., chrysomellids Systena sp. and different species of grasshoppers including Acrida exalta Walk., Truxalix nasuta (Lin.), Euprepocnemis alacris alacris (Ser.) and Attractomorpha acutipennis (Guar). Also the relative abundance of each of these species on different cultivars of soybean was recorded from August to November. Cultivar GS-50277-266- 9-21 attracted significantly large number of all the recorded insects showing its least resistance or maximum susceptibility. Not a single cultivar was fount to be resistant to all the insect pests. However, cultivar WILL was relatively more resistant to white files, cultivar GC81090-72-7 was relatively more resistant to painted bug and hairy caterpillar and cultivar GC- 81083-83 was relatively more resistant to jassids and Thrips than the other cultivars.
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