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首页> 外文期刊>Cashew >EFFICACY OF PLANT EXTRACTS AND COMMERCIAL BOTANICAL FORMULATIONS AGAINST: Helopeltis antonii sign. (Miridiae: Hemiptera) INFESTING CASHEW
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EFFICACY OF PLANT EXTRACTS AND COMMERCIAL BOTANICAL FORMULATIONS AGAINST: Helopeltis antonii sign. (Miridiae: Hemiptera) INFESTING CASHEW

机译：植物提取物和商业植物配方的功效：Helopeltis antonii标志。 （Miridiae：半翅目）

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摘要

Various plant extracts and commercial formulations were evaluated for their efficacy against the tea mosquito bug, Helopeltis antonii sign, infesting cashew (Anacardium occidentale L). Under laboratory evaluation, monocrotophos induced cent per cent mortality and had the least damage score of 0.22, while the other eleven candidate botanicals recorded mortality ranging from 10.2 to 36.7 per cent, which was significantly lesser than monocrotophos and other synthetic insecticides tested. Damage grade exceeded 2.25 for all the plant extracts and commercial formulations evaluated. Residual feeding deterrence trials were conducted for five candidate botanicals in comparison to monocrotophos as a check. Under these trials also, only monocrotophos could exhibit feeding deterrence up to 7 days after treatment. None of the plant extracts and commercial formulations could deter pest infestation. Field evaluation were conducted for 3 commercial neem formulations viz., Godrej Achook, Limanool and Nimbecidine (all at 1.0%) with carbaryl as check. The post treatment percentage of damaged shoots and damage score after 30 days after treatment indicated an increase in pest damage with the exception of carbaryl (0.1%) which resulted in 14.3 per cent reduction in mean percentage of attacked shoots and 7.9 per cent reduction in damage score. These results indicate the necessity of judicious pesticidal intervention with proper time scheduling for managing H. antonii in cashew.
机译：评估了各种植物提取物和商业制剂对抗茶蝇虫（Anlopeii antonii）感染腰果（Anacardium occidentale L）的功效。在实验室评估中，久效磷的死亡率为百分率，损害得分最低，为0.22，而其他11种候选植物药的死亡率为10.2％至36.7％，远低于久效磷和其他合成杀虫剂。所有评估的植物提取物和商业配方的危害等级均超过2.25。与久效磷相比，对五种候选植物药进行了残留摄食威慑试验。同样在这些试验中，只有久效磷在治疗后最多7天才能表现出摄食威慑作用。植物提取物和商业制剂均不能阻止害虫侵染。现场评估了3种商业印em制剂，即Godrej Achook，Limanool和Nimbecidine（均为1.0％），并以西维因为准。处理后30天后，受损芽的后处理百分比和损害分数表明，除虫威（0.1％）外，害虫损害有所增加，这导致平均侵袭率降低14.3％，损害减少7.9％得分了。这些结果表明，有必要采取适当的时间表进行明智的农药干预，以管理腰果中的安东尼氏酵母。

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