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EVALUATION OF CERTAIN INSECTICIDES AGAINST TEA MOSQUITO BUG ON CASHEW

机译:在CASHEW上对茶叶灭蚊剂的某些杀虫剂的评价。

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摘要

Tea mosquito bug (TMB) is one of the major pests of cashew and can cause maximum yield reduction by damaging tender shoot, inflorescence and immature nuts and apples at various stages of development. The adult females insert the eggs inside tender plant tissues. Both nymphs and adults suck the sap from above parts and the points of feeding (damage) area can be identified by occurrence of brown or dark brown lesions/patches leading to severe blighting. The affected tree presents burnt up appearance. Under severe outbreak condition, yield loss up to 100% was reported (Sundaraju and Sundarababu, 1999). At present, monocrotophos (0.05%) and carbaryl (0.1%) having highest residual action for seven days are recommended as most effective insecticides for management of 1MB on cashew (Sundararaju et ai, 1999). As the manufacture of monocrotophos is already banned in India and carbaryl is reported to be relatively more toxic to honey bees (Atkins et al, 1981), there is an urgent necessacity to evaluate alternative insecticides comparable with recommended insecticide in controlling TMB. Hence, attempts were made to evaluate some more insecticides in this experiment.
机译:茶蚊虫(TMB)是腰果的主要害虫之一,在不同的发育阶段,通过破坏嫩芽,花序和未成熟的坚果及苹果,可导致最大的减产。成年雌性将卵插入嫩植物组织中。若虫和成虫都从上面的部分吮吸汁液,并且可以通过出现棕色或深棕色的病变/斑块导致严重的枯萎来识别喂养(损坏)区域的点。受影响的树呈现出烧焦的外观。在严重的暴发条件下,据报道产量损失高达100%(Sundaraju和Sundarababu,1999)。目前,推荐将久效磷(0.05%)和甲萘威(0.1%)残留作用保持7天最高,作为管理腰果1MB的最有效杀虫剂(Sundararaju等,1999)。由于久效磷在印度已经被禁止生产,据报道西维因对蜜蜂具有相对较高的毒性(Atkins等,1981),因此迫切需要评估与推荐杀虫剂可比的替代杀虫剂来控制TMB。因此,尝试在该实验中评估更多的杀虫剂。

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  • 来源
    《Cashew》 |2004年第2期|共5页
  • 作者

    D. Sundararaju;

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  • 正文语种 eng
  • 中图分类 其他;
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