l, long tip trim. Leave it to the 10th bud when trimming (depending on the specific tree trend). This can significantly increase production compared to conventional pruning, but the resulting parts are too far ahead, which is detrimental to production management and yields are less stable. 2, the summer short cuts. After harvesting the grapes at the end of April and early May, two or three buds were cut short at the base of the fruiting branch that year, and the new shoots were promoted. The new shoots were able to undergo flower bud differentiation in June to July, and were trimmed in the winter as usual. However, this method will severely reduce the tree nutrients by severely removing a large number of shoots. Therefore, it is necessary to strengthen the management of water and fertilizer and promote the speed of secondary shoots. 3, leaving apron summer cut. General summer management will wipe out the top of the sub. The difference between this method is to leave a shoot on the fruit branch of the year and combine the second method after fruit picking to promote the growth of the second shoot to ensure that the second shoot is in 6— Flower bud differentiation was normal in July and routine pruning was performed in winter.
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