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对甘蔗异背长蝽(次年的主要虫源)越冬卵的分布场所、不同越冬场所的孵化进度及若虫在蔗株上的分布规律,作了调查分析。对药剂防治策略和技术进行了全面的研究,提出了“主攻甘蔗异背长蝽,兼治甘蔗二点螟,狠抓一代低龄若虫防治”的策略,并采用敌敌畏加杀虫双混合液,集中喷施蔗苗心叶及基部叶鞘间隙的防治技术。经1991年在100 ha蔗田防治示范和1992年在1044.7ha大面积推广应用,收到了“一次施药,控制全年危害”的明显效果。每年每公顷可节省农药和用工费194元,每公顷增鲜蔗7980～10620kg,含糖量绝对值提高0.81％～0.85％,经济效益显著。
The investigation was conducted on the distribution of overwintering eggs, the hatching progress of different overwintering sites and the distribution of nymphs on sugarcane plants. The strategy and technology of chemical control were comprehensively studied. The strategy of “Mainly attacking sugarcane longissimus dorsalis and treating sugarcane two-point borer and controlling the generation of nymphs of the younger generation” was put forward. The double-mixed solution of dichlorvos and insecticide was used to concentrate the spray Prevention and Cure Technique of Heart Leaf and Base Leaf Sheath Gap of. After 1991, demonstrating the prevention and control of 100 ha cane field and popularizing and applying it in 1044.7 ha in 1992, it received the obvious effect of “one pesticide application and control of the whole year harm”. Each hectare per year can save pesticides and labor costs 194 yuan, per hectare increased 7980 ~ 10620kg cane, the absolute value of sugar increased by 0.81% ~ 0.85%, significant economic benefits.