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板栗不仅是一种优良的干果,而且是一种重要的木本粮食。栗树木质较好,可供建筑和制作家具之用。为使板栗稳产高产,就要选择良种壮苗、适宜的立地条件,就要进行科学的管理,及时培肥除草,防治病虫为害。板栗的害虫种类较多,现就为害板栗较为严重的几种害虫的防治简述如下:一、板栗天牛1.为害情况:成虫在产卵中期啃食新枝嫩皮,使新枝枯死;幼虫取食韧皮部,后渐入木质部,影响树木生长,严重时可使树皮龟裂、隆起,水份、养料输送受阻,致使树木枯死,造成
Chestnut is not only an excellent dried fruit, but also an important woody food. Chestnut better wood, for the construction and production of furniture purposes. In order to make the chestnut stable yield and high yield, it is necessary to choose good seedlings, suitable site conditions, we must conduct scientific management, fertilize and weed in time to prevent pests. Chestnut pests species are more harmful to the current occurrence of several pests of chestnut prevention and control are summarized as follows: First, the chestnut days of cattle 1. Harmful situation: adults in mid-spawning nectar nibbling, the new branch dead; After eating phloem, gradually into the xylem, affecting the growth of trees, severe bark can make cracking, uplift, moisture, nutrients transport blocked, resulting in dead trees, resulting in