Effect of Different Leaves Pinching Bearing Branches on Cabernet sauvignon Fruit Quality in Shangri-La

• ZHANG Guotao, 
• MAO Ruzhi, 
• HE Xiahong, 
• ZHU Shusheng, 
• SHAO Jianhui, 
• DU Fei, 
• DENG Weiping, 
• QIN Weishuai, 
• ZHAO Xinjie