Pyraxal sup TM (Triflumenzopyrim): a novel insecticide for rice hopper control in Asia Pacific
2018
Dupo, H.B., Jr | Gurulingappa, P. | Irfan, B. | Nguyen, Q.H. | Poonak, D. | Rattan, R. | Zulkarnain, I. | Wen, W. | Ogawa, H.
Rice plant- and leafhoppers are the most important sucking pests of rice to Asia. As rice a staple food crop that feeds billions, the rice hopper insecticide resistance that has developed in the past years has caused hopper outbreaks that have become common place in rice paddies across Asia. Pyraxalt sup TM (DPX-RAB55, Trifluromezopyrim), being commercialized by DowDupont provides excellent control of rice hoppers [Nilaparvata lugens (Stal), Sogatella furcifera (Horvath), and Nephotettix virescens (Distant)], including populations that have developed resistance to other insecticides which belong to different chemical classes. Pyraxalt sup TM is a potent nAChR inhibitor. It interacts in a unique way to a2-nAChR that blocks nerve transmission causing lethargic reaction in rice hoppers . Pyraxalt sup TM exhibits a long residual efficacy to any stage of the hopper, precents hopper-vectored long residual efficacy to any stage of the hopper, prevents hopper-vectored virus infection, and is relatively safe to natural enemies in the rice ecosystem.
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