江西省橘园吸果夜蛾发生情况调查
Hubei Plant Protection(2021)
Abstract
2019年在江西省脐橙主产县宁都、兴国、大余3地开展了吸果夜蛾发生动态和危害率调查,结果表明,3地发生的吸果夜蛾主要为鸟嘴壶夜蛾,一年发生4-5代,每代历期约50d-60d.幼虫高峰期在7-9月,成虫危害高峰期是9月中旬-10月下旬.吸果夜蛾低龄幼虫不活跃,高龄幼虫较活跃,活动范围大,在叶面、枝干发现较多.吸果夜蛾成虫对柑橘果实的为害率达5%-30%.
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