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通过开展管氏肿腿蜂防治青杨天牛试验,从管氏肿腿蜂引种地区与释放地区6自然条件、气象要素、植物区系、目标害虫的发生消长、管氏肿腿蜂生物生态学特性、对寄主的搜索力、与寄主的吻合性、林区释放后寄生情况等方面进行分析,确定了甘肃引进管氏肿腿蜂防治青杨天牛的有效性及推广价值。
The results showed that there was no significant difference between the control group and the control group (P <0.05) .Through the test of the control experiment, The host’s search power, the host’s consistency, the parasitism situation after the release of forest area and so on were analyzed to determine the effectiveness and popularization value of Gansu’s introduction of Trichogramma jirgae to prevent and control the P. cinerarius.