Effects of anoxia and hypoxia on the two-spotted spider mite, Tetranychus urticae (Acari: Tetranychidae)
Effects of anoxia and hypoxia on the two-spotted spider mite, Tetranychus urticae (Acari: Tetranychidae)
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缺氧和缺氧对二斑叶螨（螨类：叶螨科）的影响
DOI：
10.1007/s13355-018-0585-5
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发表时间：
2018
影响因子：
1.3
通讯作者：
Suzuki Takeshi
中科院分区：
文献类型：
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作者：
Yamakawa Sota;Ohyama Katsumi;Yamori Wataru;Suzuki Takeshi
我们调查了缺氧（0%O2）和低氧（低于大气中O2浓度）条件下控制二斑叶螨二斑叶螨（阿卡里：叶螨科）的潜在用途。AdultT.在1 atm和25 °C下，将荨麻疹雌性暴露于0、0.5、1、2或21%的O2浓度（对照）和0.05%的恒定CO2浓度，持续黑暗24 h。当O2浓度分别低于0.5%和1%时，处理后8d的存活率和繁殖力显著下降，半数存活致死浓度（LC 50）为0.55%。杀螨低氧条件（0.5%O_2）导致寄主植物生理失调。不同的植物品种之间的生理障碍的程度不同。虽然番茄幼苗在低氧处理后死亡，但菜豆和黄瓜幼苗的初生叶仍然存在，侧芽发育而不是顶芽停止。低氧处理可以作为一种物理措施，控制叶螨取决于植物物种或品种。
We investigated the potential use of anoxic (0% O2) and hypoxic (lower O2concentration than in the atmosphere) conditions for controlling the two-spotted spider mite,Tetranychus urticaeKoch (Acari: Tetranychidae). AdultT. urticaefemales were exposed to O2concentrations of 0, 0.5, 1, 2, or 21% (control) with a constant CO2concentration of 0.05% at 1 atm and 25 °C under continuous darkness for 24 h. The survival and fecundity at 8 days after treatment significantly decreased when the O2concentration was lower than 0.5% and 1%, respectively; the lethal concentration at 50% survival (LC50) was 0.55%. The miticidal hypoxic condition (0.5% O2) led to physiological disorders in host plants. The degree of physiological disorders differed among the plant species tested. Although tomato seedlings died after the hypoxia treatment, in kidney bean and cucumber seedlings the primary leaves remained and lateral buds developed instead of the apical buds that ceased. Hypoxia treatment could be useful as a physical measure for controlling spider mites depending on plant species or cultivars.