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微红梢斑螟(Dioryctria rubella Hampson),是松树的重要枝梢害虫,生产防治十分困难。通过使用1.2%苦参碱·烟碱乳油,稀释成稀释800、1 000、1 500倍液,在微红梢斑螟发生盛期进行树冠喷雾防治,结果表明该药具有极好的速效性和持效性,可为今后防治提供借鉴。
Dioryctria rubella Hampson, an important pest of pine, is very difficult to control. By using 1.2% matrine and nicotine EC, diluted to a dilution of 800,1000 and 1,500 times, crown spray control was carried out during the peak period of the M. schachtii, and the results showed that the medicament has excellent quick-effect and Effectiveness can provide reference for future prevention and treatment.