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1989年我们在广东鹤山、惠东等地用灭杀毙等药剂加入一定量缓释剂SDL-A对松突圆蚧Hemi berlesia pitysophila Takagi进行了防治试验,现总结如下。
In 1989 we Heshan, Huidong, Guangdong and other places with the killing and other agents to join a certain amount of sustained-release agent SDL-A on Hemiplolesia pitysophila Takagi control trials, are summarized below.