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Insect Pests Associated With Sesame at Tando Jam

Author(s): Muzaffar A. Talpur | Rab Dino Khuhro | Maqsood A. Rustamani | Imtiaz A. Nizamani

Journal: Journal of Applied Sciences
ISSN 1812-5654

Volume: 2;
Issue: 7;
Start page: 723;
Date: 2002;
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Keywords: Insect pests | population | sesame | varieties | resistance

The incidence and abundance of insect pests associated with sesame varieties were recorded during Summer, 2002 in the experminental field of Oilseed Section, Agriculture Research Institute, Tanadojam. Four sesame varieties S-17, PR-19/9, PR-28/88 and PR-37/88 were tested. Five insect species i.e. plant bug, whitefly, aphid, thrip and leaf rolled/webber were recorded attacking sesame. Leaf roller/webber was found in highest number during capsule formation and early vegetative stage, while lowest during flowering. Whitefly and bug population was relatively higher during the later vegetative phase. Thrips and aphids were observed from seedling stage and remained active upto crop maturity. However, aphid population was alarming and reached at peak in the 10th week in August. The varieties PR-19/9 and S-17 showed relative resistance against these insects, while PR-37/88 and PR-29/88 were relative susceptible for these insect pests. The varieties PR-19/9 and S-17 yielded significantly higher than susceptible ones i.e. PR-29/88 and PR-37/88.

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