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对冀北山区苹果主要病虫发生防治情况的调查分析和田间药效试验表明,抓住适时用药、科学选药、重点部位施药等关键技术环节,既可减少农药用药量又可控制病虫为害,是优质苹果生产必不可少的技术手段。
The investigation and analysis of the main pests and diseases in the mountainous area of Hebei Province and the field efficacy tests showed that grasping the key technical links such as timely medication, scientific medicine selection and key parts application can not only reduce the dosage of pesticides but also control pests and diseases Harmful, is the essential technical means of high-quality apple production.