几种农药防治茶红蜘蛛的药效对比试验

• 机 构: 浙江省茶树植保联系点桐庐县新江大队,
• 出 处: 中国茶叶
• 发表日期: 1974年01期
• 关键词: 红蜘蛛 茶园 药效对比试验 小绿叶蝉 农药防治 落叶 长白蚧 七二 茶叶产量 药剂防治

我大队现有茶园150多亩,由于以前对病虫不够重视,没有治虫习惯,因此,茶园病虫发展很快,特别是前一、二年,害虫发生普遍,为害严重。据调查,目前为害我队的主要害虫有茶蚜、小绿叶蝉,长白蚧,茶红蜘蛛等。尤以茶红蜘蛛发生更为普遍,全队100多亩茶园均有不同程度的为害。被害茶园,茶丛短小,未老先衰,大量落叶。七二年有80亩成为光

As there are 150 mu of existing tea plantations in my brigade, due to the lack of attention to pests and diseases before, there is no habit of pest control. Therefore, the development of pests and diseases in the tea plantation has been developing rapidly, especially in the past one or two years. According to the survey, the main pests that harm our team are tea aphid, small green leafhopper, long white scale, red spider tea and so on. In particular, the occurrence of tea red spider more common, the team more than 100 acres of tea gardens have varying degrees of damage. Victimized tea plantations, tea Cong short, not old before the first decline, a large number of leaves. In seven or two years 80 acres become light