金沃源-2号防治琯溪蜜柚蚧壳虫试验初报

Control efficacy of Jinwoyuan No.2 on scale insect in Guanxi honey pomelo

在琯溪蜜柚果园进行金沃源-2号防治琯溪蜜柚蚧壳虫的药效试验,结果表明:金沃源-2号防治蚧壳虫是长效性理想药剂,其防效优于其他处理,且对琯溪蜜柚生产安全;建议使用浓度以800倍液为宜;48%乐斯本1500倍液和24%亩旺特4500倍液防治蚧壳虫防效也较好,可以与金沃源-2号交替使用。

Control efficacy of Jinwoyuan No. 2 on scale insect was tested in Guanxi honey pomelo orchard. The results showed that Jinwoyuan No. 2 had better efficacy for controlling scale insect with long effect than other treatments, and was safe for the production of Guanxi honey pomelo. The recommended concentration of Jinwoyuan No. 2 was 800 - time solution. It indicated that the efficacy of 1500 - time solution of 48% chlorpyrifos and 4500 - time solution of 24% spirotetramat to scale insect was similar to Jinwoyuan No. 2, which could be substituted for Jinwoyuan No. 2 to be used in control of scale insect.