Weed out pests and branches, thin and weak branches, dead branches, and dense branches, and we must be able to partially rejuvenate the weakened main side vines and sprouting twigs that have no use value. According to the standard of pruning, determine the appropriate amount of mother branches and short cut the annual branches. Check the pruning to check whether it is missing or shearing, so it is also called reviewing shearing. Other Dna Analysis Instrument,Gene Analyzer For Medical Use,Fully Automatic Gene Analyzer,Fragment Analysis Equipment Nanjing Superyears Gene Technology Co., Ltd. , https://www.superyearsglobal.com