一、种性不良建议结合密植郁闭园的改造,将品种更新改造成新品种。二、光照太差许多果园密植郁闭,风光条件较差,果实因见不到光或见光太少而着不上色,这是苹果着色不良的一个主要原因。凡是内膛和下裙枝结的果着色差都是这一原因引起的。对于这种情况,必须进行密植郁闭园改造。具体方法是:先确定永久行和临时行或永久株和临时株,再对临时行或临时株的交叉郁闭部分逐年进行回缩,直至彻底伐掉, First, poor sex Suggestion with the close planting of dense closed garden, the varieties will be updated into a new breed. Second, poor lighting Many orchards close planting shade, poor landscape conditions, because the fruit is not visible or too little light and not colored, which is a major cause of poor apple coloring. This is the cause of any coloration of the inner and the lower branches. For this kind of situation, we must carry out the transformation of close-packed canyon. The specific method is: first determine the permanent and temporary lines or permanent strains and temporary strains, and then interim canopy or temporary strain of the plant can be closed down each year until completely cut off,