设施果树品种选择原则①促成栽培,应选择极早熟、早熟和中熟品种,以利提早上市;延迟栽培则应选择晚熟品种或易多次结果的品种。②选择自然休眠期短、需冷量低、易人工打破休眠的品种,以进行早期或超早期保护生产。③选花芽形成快、促花容易、自花结实率高、易丰产的品种。④以鲜食为主,选个大、色艳、酸甜适口、商品性强及 Facilities Fruit tree species selection principles ① to promote cultivation, should be very precocious, early maturing and medium maturing varieties, in order to facilitate early listing; late cultivation should choose late maturing varieties or varieties of easy results. ② Choose natural dormancy period is short, need cold, easy to break dormancy breeds, in order to carry out early or ultra early protection of production. ③ choose the formation of flower buds fast, easy to flower, self-infested rate, easy to yield varieties. ④ mainly to fresh, choose a large, colorful, sweet and sour taste, strong product and