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Dispersal of boll weevil toward and within the cotton plant and implications for insecticide exposure
Pest Management Science ( IF 4.1 ) Pub Date : 2020-10-23 , DOI: 10.1002/ps.6148
Lucas S Arruda 1 , Jorge B Torres 1 , Guilherme G Rolim 2 , Christian SA Silva‐Torres 1
Affiliation  

Immature stages of boll weevil complete development endophytically leaving only the adult stage accessible for chemical control. We tested the hypothesis that boll weevil colonization of the cotton plants significantly affects their exposure to sprayed insecticides. We determined the adult dispersal toward and within cotton plants, lethal time (LT), and residual control by recommended insecticides (malathion, carbosulfan, thiamethoxam, fipronil, beta‐cyfluthrin, lambda‐cyhalothrin, and thiamethoxam + lambda‐cyhalothrin) through dried residue exposure and residual control regarding the leaf position in the upper and the lower thirds of the treated plant canopy.

中文翻译:

棉铃象鼻虫向棉花植物内部扩散以及对杀虫剂的影响

bo象鼻虫的未成熟阶段在内生性条件下完全发育,仅成年阶段可用于化学防治。我们测试了棉铃虫象鼻虫定植显着影响其接触喷雾杀虫剂的假说。我们通过干燥的残留物确定了成虫向棉株内部和内部的扩散,致死时间(LT)以及通过推荐的杀虫剂(马拉硫磷,硫丹,噻虫嗪,氟虫腈,β-氟氰菊酯,lambda-cyhalothrin和thiamethoxam + lambda-cyhalothrin)的残留控制。有关处理过的植物冠层上部和下部三分之二的叶片位置的暴露和残留控制。
更新日期:2020-10-23
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