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以2年生苹果“烟富3号”乔化苗、中间砧苗、自根砧和1年生普通中间砧苗为研究对象,测定短截处理和普洛马林处理间分枝数目、分枝长度、分枝角度、分枝高度的差异,探讨短截和普洛马林处理对不同砧木类型的苹果苗木分枝与生长特性的影响,为生产多分枝大苗及缩短果树整形周期提供参考。结果表明:70cm短截的2年生乔化苗与常规方法繁育的中间砧苗经1 000mg·kg~(-1)普洛马林促分枝处理,有效分枝数目、长度、角度适中,分枝高度合理,达到了理想的促分枝效果,为其提早整形奠定基础。
Taking 2-year-old apple “Qiaofu No.3 ” Qiaohua seedlings, middle rootstocks, self-rootstocks and 1-year-old common middle seedlings as the research object, the number of branches and the number of branches Branch length, branching angle and branch height. The effects of short cut and apolynarin treatment on the branching and growth characteristics of apple seedlings with different rootstocks were discussed, which provided a reference for the production of multi-branch seedlings and shortening the plastic cycle of fruit trees. The results showed that the intermediate seedlings of 2-year-old Qiaohua seedlings with 70 cm short cut were pruned with 1 000 mg · kg -1 of Promarol, the number of effective branches, length and angle were moderate The branch is highly reasonable and achieves the ideal branch-promoting effect, laying a foundation for its early shaping.