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一、发病症状枣叶壁虱也叫锈壁虱,属蛛形纲蜱螨目瘦螨科,该虫在我县大部分枣园不同程度发生,主要以成虫和若虫危害枣叶、芽、花和幼果。枣芽受害后,常延迟展叶抽条;叶片受害初期无症状,展叶后20天左右基部和沿主脉部分先呈现灰白色、发亮,约40天后
First, the onset of symptoms Jujube leaf ticks also known as rust ticks, is arachnids Acarinae Division, the insect in most of my county jujube occurred to varying degrees, mainly juvenile adult and nymph jujube leaves, buds, flowers And young fruit. Jujube bud damage, often delay leaflet Zhanye; blade early symptoms of asymptomatic, 20 days after the leaves of the base and along the main part of the gray and white, shiny, about 40 days