一、植物检疫在引进苹果苗建立新的苹果园时,要严格检疫,防止检疫性病虫害传入和扩大蔓延。二、预测预报根据当时的环境条件和苹果树生长发育和栽培管理状况,判断病虫害未来的发生趋势,提出防治时期和方案。病害的测报要根据病害侵染过程和侵染循环的特点,并利用病害流行的主导 First, plant quarantine In the introduction of apple seedlings to establish a new apple orchard, we must strictly quarantine to prevent the introduction of quarantine pests and diseases and expand the spread. Second, forecast According to the prevailing environmental conditions and apple tree growth and development and cultivation and management status, determine the future occurrence of pests and diseases, put forward control period and program. The measurement of the disease should be based on the characteristics of the disease infection process and the infection cycle, and take advantage of the prevalence of the disease