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本试验自1982年开始进行,至1985年共试用三方面的生防措施,即(1)调整试区内所种的甘蔗品种,逐步淘汰比较感虫的品种(台糖134),留用和扩大种植抗虫性较强的(闽糖70/611、粤糖64/395等)品种的面积.(2)逐步推行蔗地间种早黄豆,以改善蔗地生态环境,诱致蔗绵蚜天敌提早发生和增加基数.(3)利用大突肩瓢虫、双带盘瓢虫等优势天敌控制蔗绵蚜危害.
This experiment has been carried out since 1982. Three biocontrol measures were tried in 1985, namely (1) to adjust the varieties of sugarcane cultivated in the test area, to phase out the more susceptible varieties (Taiwan sugar 134), to retain and expand the planting Insect resistance (Fujian 70/611, Guangdong sugar 64/395, etc.) varieties of area. (2) The gradual implementation of the early soybean between the cane field, to improve the ecological environment of sugarcane, induced calamity instar early occurrence of cotton aphids And increase the base number. (3) The use of big shoulder ladybugs, double belt ladybugs and other dominant natural enemies control calamity aphid calamity hazards.