葡萄及时正确地修剪能增加光的通透量,提高光合效率,减少养分消耗,提高果品品质,增加经济效益。一、冬季修剪一般在落叶后3～4周进行,最迟可延至冬末,或在伤流量最少时进行。葡萄修剪方法很多,关键是要掌握结果母枝的剪留量、剪留长度、枝蔓更新三大关键技术。(1)结果母枝的剪 Correct timely grapes can increase the light penetration, improve photosynthetic efficiency, reduce nutrient consumption, improve fruit quality, increase economic efficiency. First, the winter pruning generally 3 to 4 weeks after the deciduous, the latest can be extended to the end of winter, or at least when the injury flow. Grape pruning many ways, the key is to master the result of the mother of the cut, the length of the cut, sticks and the three major new technology updates. (1) the result of the mother’s cut