采用不同提取方法从蓖麻籽中提取各种成分用于蔬菜害虫的杀虫试验。
Extractives extracted with different methods from castor seeds were tested for the toxicity on vegetable pests.
用蓖麻提取物对蔬菜重要害虫进行了杀虫活性研究。
Studies on the insecticidal activity of extract of Ricinus communis L. against insect pests were carried out in vegetable crops.
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