巨峰葡萄由于后期长势过旺,往往成熟期推迟,质量较差,影响了经济效益。为此,我们于1988年开始,连续两年在济宁市北郊五里屯葡萄园对4年生巨峰葡萄树进行了环剥处理,取得了较好的效果。具体做法是:分别在果实成熟前28天、21天、14天对结果母校基部5—10cm处用双刃刀进行环切,深 Kyoho grapes due to over-growth late, often delayed the maturity, the quality is poor, affecting the economic benefits. To this end, we started in 1988, for two consecutive years in the northern suburbs of Jining City Wulitun vineyard perennial Kovan grape ring grafting treatment and achieved good results. Specific approach is: 28 days before the fruit maturity, 21 days, 14 days on the results of alma mater 5-10 cm at the base with a double-edged knife to cut, deep