cruciferous vegetable pests 十字花科蔬菜害虫
Species of vegetable pests 蔬菜害虫种类
vegetable insect pests 蔬菜病虫害
Disease of animal and vegetable pests propagate with extreme rapidity.
动植物病害传播极快。
Extractives extracted with different methods from castor seeds were tested for the toxicity on vegetable pests.
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。
The life cycle and movement rule of familiar vegetable pests were investigated. The optimal control period was brought forward based on the developing and movement rule of the pests.
调查研究了常见蔬菜害虫的生活史、昼夜活动规律，根据害虫发育情况和活动规律提出了最佳防治时期。
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