使用浸渍法测定了泽漆乳浆及乙醇提取物对桃蚜的室内杀虫作用和拒食作用。
The insecticidal and antifeeding activity of latex and ethanol extracts of Euphorbia helioscopia L.
浙江的21个粳稻地方品种对白背飞虱拒取食和杀卵作用表现出独立性和连续变化。
Among 21 japonica landraces in Zhejiang Province, ovicidal and sucking response of WBPH showed independent and continuous variations.
浙江的21个粳稻地方品种对白背飞虱拒取食和杀卵作用表现出独立性和连续变化。
Among 21 japonica landraces in Zhejiang Province, ovicidal and sucking response of WBPH showed independent and continuous variations.
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