The volatile oil and its major component precocene Ⅱ not only had insecticidal efficacy,but also anti\|feeding effect and delayed molting of insects.
挥发油及其主要成分胜红蓟素
有杀虫活性，而且引起昆虫拒食和延迟蜕
。
The volatile oil and its major component precocene Ⅱ not only had insecticidal efficacy,but also anti\|feeding effect and delayed molting of insects.
挥发油及其主要成分胜红蓟素有杀虫活性，而且引起昆虫拒食和延迟蜕。
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成，部分未经过人工审核，其表达内容亦
代表本软件的观点；若发现问题，欢迎向我们指正。
