促进苹果幼树及时地形成足够的花芽，是其乔砧密植栽培成败的关键问题之一。本试验应用前人研究的成功技术，使用多效唑溶液与环剥、环割和捋枝后以多效唑溶液蘸梢尖等措施，在辽宁省台安县筛选出促进长富２号、红乔纳金、北海道９号３个苹果品种幼树多成花的组合处理，现... Promote the timely formation of young saplings of apple trees flower bud is one of the key issues of success or failure of its planting. In this study, we used the successful techniques of previous studies, using paclobutrazol solution and girdling, ring cutting and twigs to dip tip of paclobutrazol solution and other measures to screen out Chang-Fu No. 2, Hokkaido No. 9 3 apple varieties saplings into flower combination treatment, now ...