A strategy for the control of Andraca bipunctata Walker on tea.
A strategy for the control of Andraca bipunctata Walker on tea.
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DOI：
10.1016/0261-2194(82)90063-1
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发表时间：
1982-01-01
期刊：
影响因子：
2.8
通讯作者：
Banerjee, B.
中科院分区：
文献类型：
--
作者：
Banerjee, B.
双斑安蛛幼虫在印度东北部，成熟的茶树迅速落叶，需要使用杀虫剂，这将导致迅速死亡。1978年在阿萨姆邦进行的一项田间试验中，合成拟除虫菊酯二氯苯菊酯和溴氰菊酯在0.5克/公顷时对害虫都有很好的防治效果，尽管在1.0克/公顷时效果更持久。这些杀虫剂未能达到密集的树冠内的目标地点，和治疗在大雨期间不太有效。在未经处理的地块，虽然它未能保持幼虫的数量低于经济水平的绦虫寄生虫的幼虫是活跃的。
Larvae of Andraca bipunctata Wlk. rapidly defoliate mature tea plants in north-east India necessitating the application of insecticides that will cause rapid mortality. In a field trial in Assam in 1978, the synthetic pyrethroids permethrin and deltamethrin both gave excellent control of the pest at 0.5 g/ha, although the effect was more persistent at 1.0 g/ha. These insecticides failed to reach the target sites within dense canopies, and treatments were less effective during periods of heavy rainfall. The tachinid parasite Cylindromyia sp. was active in untreated plots, although it failed to keep the numbers of larvae below an economic level.