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1选苗与建园1.1选苗选择经过检疫的壮苗,要求苗高1.2m,基径1cm以上,枝条发育充实,节间短,芽体饱满,须根多,伤根少,无机械损伤的2年生苗。1.2建园1.2.1树种之间合理搭配果园附近不能栽刺槐,刺槐极易招引蝽象危害苹果,刺槐分泌出的蹂酸类物质对多种苹果树的生长有较强的抑制作用,可导致大幅度减产或根本不结果。刺槐上的炭疽病也能感染苹果造成大量落叶。苹果与桃树不宜混栽,桃树年生长量大,与苹果争水、争光、争肥能力强,会使苹果树生长衰弱。苹果与核桃不能混栽,核桃叶片
1 election seedlings and built park 1.1 selected seedlings after quarantine strong seedlings, requiring seedling height 1.2m, base diameter of 1cm or more, full growth of branches, internodes short, bud full, fibrous roots, less root injury, no mechanical damage 2-year-old seedlings. 1.2 Garden 1.2.1 Reasonable collocation between trees Orchard can not planted acacia, acacia very easy to attract stink bug like apple, acacia secrete acid substances on the growth of a variety of apple trees have a stronger inhibitory effect can lead to Significantly reduce production or no result. Anthracnose on Robinia pseudoacacia also infects apples and causes a lot of fallen leaves. Apples and peaches should not be mixed planting, large annual growth of peaches, competing with the apple, glory, competing Zhengfei, apple trees will grow weak. Apple and walnut can not be mixed planting, walnut leaves