field efficacy for aphid control 田间防效
control of aphid 蚜虫防治
biological control of aphid 蚜虫生物防治
Integrate Control of Apple Aphid 苹果绵蚜的综合防治技术
And it's bad for one species to be responsible for aphid control with no backup.
而且，只有一个物种负责蚜虫控制而没有替换物种也很不妙。
Seven-spotted ladybugs are native to Europe but were brought to North America in the mid-1900s to control aphid populations.
七星瓢虫原产欧洲但为了控制蚜虫的数量于1900年期间被引入到北美。
The interference index of population control, IIPC was used to evaluate the control effect of Avermectins, Yasimie and Yasimiejin on peach-aphid.
应用干扰作用控制指数法评价了阿维菌素、蚜虱灭、蚜虱蓟净等杀虫剂对桃蚜种群控制的作用。
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