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为探索防治落叶松球蚜（Ａｄｅｌｇｅｓ ｌａｒｉｃｉｓ Ｖａｌｌｏｔ）的有效方法，本试验采用干基注射和刮皮涂干两种方法，选用４０％氧乐果，５０％甲胺磷与水混合的三种浓度进行对比试验，取得了显著的防治效果
In order to explore the effective method of controlling Adelses laricis Vallot, we used two methods: dry-based injection and skin-scraping dry coating. Three concentrations of 40% omethoate and 50% methamidophos were mixed with water. Comparative tests, achieved significant control effect