2% Celangulin ec is a new kind of botanical insecticide.
苦皮藤素乳油是一种新型的植物性杀虫剂。
Micro granule 1,2 and 3 were made of celangulin, to mix different kinds of micro granule with rice or wheat, Sitophitus zeamais Motschulsky could be controlled.
将苦皮藤素制成微粉剂1、2和3 ，将它们混入大米和小麦中，能有效控制玉米象的危。
Results showed that the content of angulatin A was higher than 40% of celangulin content in each celangulin product, which met the requirements of industrial production.
测定结果表明，苦皮素A在这三种苦皮藤素产品中的含量均高于其中苦皮藤素含量的40％，符合工业生产的要求。
Results showed that the content of angulatin A was higher than 40% of celangulin content in each celangulin product, which met the requirements of industrial production.
测定结果表明，苦皮素A在这三种苦皮藤素产品中的含量均高于其中苦皮藤素含量的40％，符合工业生产的要求。
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