北斗苹果１年生枝修剪反应规律研究初报以２～４年生北斗幼树为试材，选健壮的１年生发育枝，进行下列５个处理：①缓放（为对照）；②剪去枝长的１／３；③剪去枝长的１／２；④剪去枝长的２／３；⑤留短橛（剪留３～５个芽）。以单枝为小区看出：（１）本枝萌发芽数以缓... A preliminary study on the law of pruning reaction of 1-year-old branches of Beidou apple A young 1-year-old male of 2 to 4 years was used as the test material to select the healthy 1-year-old developmental branch. The following five treatments were carried out: Of the 1/3; ③ cut to the branch length of 1/2; ④ cut to 2/3 of the branch length; ⑤ stay short 橛 (cut 3 to 5 buds). To single branch for the district to see: (1) the number of branches sprouting germination to slow ...