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简述谷斑皮蠹的抗逆性表现。

问答题
2021-12-25 00:28
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正确答案

防治困难较其它仓储害虫更抗熏蒸剂。
耐饥力强缺食干燥情况下,最短可耐90d,最长达3年半,甚至休眠幼虫可耐8y,且1-3个月的饥饿不影响其化蛹率。
抗高温51℃(RH=75%)下处理136min后仍有5%的个体成活。
耐干燥一般仓虫要求食物含水量在8%以上,而谷斑皮蠹在含水量2%-13%的情况下,发育无显著差异,甚至在低于2%的情况下可正常繁殖。
耐低温最低发育温度10℃,但发现在-10℃下经历25h仅杀死50%的1-4龄幼虫。


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标签: 植物检疫 农学
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