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为落实毛主席“绿化祖国”的伟大号召,加速林业建设的步伐。苗木是物质基础,因此,在育苗过程中,要加强对苗木的管理。目前正是苗木生长期间,现将常发生的几种主要病虫害防治方法介绍如下,供参考。(一)蝼蛄蝼蛄(俗称:拉拉蛄、土狗子、石鼠、天蝼等),是苗木严重害虫之一。一般情况下,它们白天潜入地下,夜间爬出地面活动。在土中食害种子,取食苗木的幼根及近土表的嫩茎,并经常在土里钻孔道,使苗木根系与土壤分离或翻出外露。因此对苗木的危害很大,以至造成大量幼苗枯死,形成缺苗。
In order to implement Chairman Mao’s “green motherland,” the great call to speed up the pace of forestry construction. Seedlings are the material basis, therefore, in the nursery process, to strengthen the management of seedlings. Currently it is the growth of seedlings, several pests and diseases will now occur frequently Prevention methods are described below for reference. (A) 蝼 蛄 蝼 蛄 (commonly known as: Lala 蛄, earth dog, stone mouse, sky 蝼, etc.), is one of the serious pests nursery stock. Under normal circumstances, they sneaked into the ground during the day and climbed out of the ground at night. Eating seeds in the soil, feeding seedlings of young roots and near the surface of the tender stems, and often drilling holes in the soil, so that nursery stock roots and soil separation or turned out. Therefore, the great harm to seedlings, as well as causing a lot of seedlings dead, the formation of lack of seedlings.