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为了明确黑龙江省螟黄赤眼蜂对向日葵螟的防治效果,在有效控制向日葵螟为害的同时,保护有益天敌生物及生态环境,满足向日葵螟绿色防控的需求,在黑龙江省甘南县开展了螟黄赤眼蜂防治向日葵螟试验。结果表明,螟黄赤眼蜂防治向日葵螟卵粒寄生率达到82.1%,卵粒校正寄生率达到80.4%,平均防效为72.13%,向日葵平均增产率26.42%,在黑龙江省应用螟黄赤眼蜂能有效控制向日葵螟为害。
In order to clarify the control effect of Trichogramma ostriniae on sunflower stem borer, Heilongjiang Province, in order to effectively control the sunflower’s borer, it protected the biological and ecological environment of beneficial natural enemies and met the need of green prevention and control of sunflower borer. Yellow Trichogramma against sunflower borer test. The results showed that the parasitism rate of Oviducta europaea was 82.1%, the parasitism rate of oyster was 80.4%, the average control effect was 72.13%, and the average yield of sunflower was 26.42%. In Heilongjiang Province, Bee can effectively control sunflower borer damage.