论文部分内容阅读
1988～1994年，商丘地区苹果病虫综防协作组，同河南省植保站、开封市植保站等单位协作，进行了苹果园病虫害综合治理与开发应用研究，并取得显著成就。苹果园病虫综合防治的核心是综合考虑果树、病虫害。天敌的相互作用及生态环境特点，本着经济有效、因地制宜。安全简便的原
From 1988 to 1994, in collaboration with the Pest Management and Prevention Group in Shangqiu, collaborated with plant protection stations in Henan Province and plant protection stations in Kaifeng City, etc., and carried out research on the comprehensive management and development of pests and diseases of apple orchard and achieved remarkable achievements. Apple orchard integrated pest control is the core of integrated consideration of fruit trees, pests and diseases. The natural enemies of the interaction and ecological characteristics of the environment, in a cost-effective manner. Safe and easy original