葡萄树结果枝的环剥据试验，对葡萄树结果枝恰当环剥，果实成熟期可提早１５－２０天，果粒增大ｌ／３左右。１环剥的时间。环剥时间，常因目的不同而异。为了减少落花落果、提高坐果率，宜在开花始期进行环剥；为增大浆果体积，最好在浆果生长期环剥；为提早浆果成熟和增... According to the test results, the results of grapevine tree branch dendrites, the right branch of the grape ring dendrite, fruit maturity can be early 15-20 days, fruit size increased about l / 3. 1 girdling time. Girdling time, often due to different purposes. In order to reduce the flowering and fruiting, improve the rate of fruit setting, should be carried out in the flowering period girdling; to increase the volume of berries, the best in the berry growth cycle girdle;