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首页> 外文期刊>Journal of Economic Entomology >Ethyl formate as a postharvest fumigant for selected pests of table grapes
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Ethyl formate as a postharvest fumigant for selected pests of table grapes

机译：甲酸乙酯作为食用葡萄的精选害虫的收获后熏蒸剂

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摘要

Ethyl formate (EF) in combination with CO2 was tested for control of arthropods commonly infesting California table grapes. In addition, table grape tolerance to EF exposure was evaluated. LC99 estimates were developed for target pests by using a range of EF concentrations (0.04-4.7% EF). Response to treatments varied greatly between species, as well as life stages within species. Western flower thrips, Frankliniella occidentalis (Pergande), and adult and crawler stages of grape mealybug, Pseudococcus maritimus (Ehrhorn), were most susceptible to EF treatments. Least susceptible were grape mealybug eggs; Pacific spider mite, Tetranychus pacificus McGregor; and omnivorous leafroller, Platynota stultana Walsingham. The LC99 for target pests fell within the range of EF concentrations tolerated by table grapes with the exception of 1-, 3-, and 5-d-old omnivorous leafroller pupae.
机译：测试了甲酸乙酯（EF）与二氧化碳的结合，以控制常见于加利福尼亚食用葡萄的节肢动物。此外，还评估了鲜食葡萄对EF的耐受性。通过使用一系列EF浓度（0.04-4.7％EF），针对目标害虫制定了LC99估计值。物种之间以及物种内部生命阶段对治疗的反应差异很大。西方花蓟马，富兰克氏菌（Pergande）以及葡萄粉虫（Pseudococcus maritimus（Ehrhorn））的成虫和爬行阶段对EF处理最敏感。葡萄粉虫卵最不易感染;太平洋红蜘蛛，Tetranychus pacificus McGregor;和杂食性卷叶植物Platynota stultana Walsingham。除1、3和5日龄杂食性卷叶roll外，针对目标害虫的LC99均落在鲜食葡萄可耐受的EF浓度范围内。

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