在葡萄生产中，葡萄结果部位会逐渐外移，下部秃裸和空虚，产量降低，以5－6年生以后的葡萄表现最为明显。为达到持续稳产、丰产、优质的目的，必须对结果母校进行更新修剪，其具体技术如下。一、双枝更新在所留结果母校的下部，选一发育良好的新梢留2芽短剪作预备。当结果母枝 In grapes production, grapes will gradually move out of the site results, the lower part of the naked and empty, lower yields, 5-6 years after the grape performance is most obvious. In order to achieve the goal of sustained and stable production, high yield and high quality, the results alma mater must be updated and pruned. The specific techniques are as follows. First, the two branches of renewal results in the lower alma mater, choose a well-developed new shoots to stay short 2 buds for preparation. When the result is the mother branch