葡萄新梢必须摘心。通过摘心，节省新梢生长所需的大量养分，促进叶片增厚，花芽饱满，枝条充实，这对提高葡萄的座果率，产量和品质至关重要。 摘心时间。对结果新梢，一般在盛花前3-5天摘心，至晚在初花期进行。对落花落果比较严重的品种，如巨峰、紫玫瑰等品种，可在花前 Grape shoots must be topping. Through the topping, save a lot of shoot growth nutrients needed to promote leaf thickening, full flower buds, branches full, which is to improve the fruit set rate, yield and quality is essential. Topping time. Shoot on the results, usually 3-5 days before the full bloom toast in early flowering, at late flowering stage. Flowers on the more serious drop varieties, such as Jufeng, purple roses and other varieties, before the flower