Preliminary screening test of cotton lines for resistance to jassid, Amrasca biguttula biguttula (Ishida) (Homoptera: Cicadellidae) | เธเธฒเธฃเธเธฑเธเธเธฃเธญเธเนเธเธทเนเธญเธเธเนเธเธชเธณเธซเธฃเธฑเธเธเธฑเธเธเธธเนเธเนเธฒเธขเธเนเธฒเธเธเธฒเธเธเนเธญเนเธเธฅเธตเนเธขเธเธฑเธเธเธฑเนเธ Amrasca biguttula biguttula (Ishida) (Homoptera: Cicadellidae)
2008
Sangkhae Nawanich(Kasetsart University, Bangkok (Thailand). Inseechandrasatitya Institute for Crop Research. National Corn and Sorghum Research Center) | Wiboon Chongrattanameteekul(Kasetsart University. Bangkhen Campus, Bangkok (Thailand). Faculty of Agriculture. Department of Entomology) | Prapon Boonrumpun(Kasetsart University, Bangkok (Thailand). Inseechandrasatitya Institute for Crop Research. National Corn and Sorghum Research Center) | Sopon Uraichuen(Kasetsart University. Bangkhen Campus, Bangkok (Thailand). Faculty of Agriculture. Department of Entomology)
Seven cotton lines were investigated for their resistant to cotton leafhopper or jassid, Amrasca biguttula biguttula (Ishida). The experiment was conducted at the National Corn and Sorghum Research Center, Pakchong District, Nakhon Ratchasima Province during August-December 2006. The experiment was conducted in RCB with 3 replications. The results showed that the variety SRT 1 had the lowest jassid density throughout the crop season. Moreover, it showed no leaf injury by hopperburn. Thus SRT 1 can be used as a genetic source for breeding cotton resistance to jassid. Inaddition, two other cotton lines, DORA 11 (5) X Bioseed-7 and brown fiber line 661 were also rated as jassid resistant.
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