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1980—1981年,中国农业科学院甜菜研究所和山东省制糖研究室共同对甲基硫环磷闷种防治甜菜象虫进行了小区试验和大面积试验,1982年又在山东省高密县大栏公社朱家大队进行了生产示范。试验结果表明,甲基硫环磷防治甜菜象虫有效:田间杀虫率为88.8—100%,田间保苗率为88.2—96.7%(对照区仅6.9～15.9%),防治效果达70—87.9%。为此,两单位于6月2～3日在山东省高密县召开了甲基硫环磷闷种防治甜
1980-1981, the beet Institute of Chinese Academy of Agricultural Sciences and Shandong Institute of Sugar jointly on the Sulfur and phosphorus phosphorus bored prevention and control beetle insects as a community test and large area test, again in 1982 in Gaomi County, Shandong Province, large bar Commune Zhu Brigade conducted a production demonstration. The results showed that methylthiophene was effective in controlling Beetle insects: field insecticidal rate was 88.8-100%, field seedling rate was 88.2-96.7% (control area only 6.9 ~ 15.9%), the control effect was 70-87.9% . To this end, the two units in June 2 to 3 held in Gaomi County, Shandong Province, methyl sulfanilic acid boring prevention and control of sweet