枣树主要害虫发生规律及防治措施
Hebei Fruits(2018)
Abstract
1 枣癭蚊
又名枣蛆或枣芽蛆,是枣树叶部主要害虫之一.此虫每年第1代发生时,正值枣树发芽展叶期,以幼虫危害尚未展开的枣树嫩叶,造成大量嫩叶不能展开,被害叶浅红色至紫红色,叶片硬而脆,最后干枯脱落.对枣树开花极为不利.5月上旬为危害盛期,老熟幼虫于8月下旬以后入土,做茧越冬.
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