套袋,是生产高质量出口创汇红富士苹果的有效措施,一般要求在严格疏果的基础上套袋。但如何判断并保证套袋果能长得足够大(直径80mm以上)呢? 最佳指标是看果台副梢强弱。凡果台副梢长势强的结果枝,一般营养充足,而且果台副梢上的叶片会有力地促进果实后期肥大,保证果实长的足够大。所以,不仅不要对果台副梢摘心,而且要把它看成是否能套袋的指标。凡副梢短而弱的果,套上袋会白白浪费了果 Bagging is an effective measure to produce high-quality exported Red Fuji apples, and generally requires bagging on the basis of strict fruit-thinning. However, how to judge and ensure bagging fruit can grow large enough (diameter 80mm or more)? The best indicator is to look at the strength of the secondary tip of the fruit. Where the results of the strong branches of fruit shoots, the general nutritional adequacy, and the fruit on the tip of the leaves on the leaves will effectively promote the late fruit hypertrophy, to ensure that the fruit is long enough. Therefore, not only do not pinch the fruit, but also to see if it can bagging the index. Where the deputy shoots short and weak fruit, put on the bag will be wasted fruit