贵州的苹果梨花芽座果率高,但大小年现象普遍,产量不稳,究其原因是多方面的。一般果农很少疏花疏果,已开放的花朵或已结的幼果,耗去大量养分再行疏除,实为浪费,且耗工量大,严重影响经济效益;在修剪上各地极不统一,一般多按常规修剪,偏重对结果枝的回缩及对多年生果枝的处理,而对未来的新结果枝,特别生命力很强的二 Guizhou apple pear flower bud fruit rate is high, but the general size of the year, yield instability, the reason is many. In general, fruit growers rarely have thinning and thinning of flowers, and flowers or knotted fruits that have been opened up consume a large amount of nutrients and then sparsely remove them. This is actually a waste of waste and consumes a lot of work, which seriously affects economic benefits. Uniform, generally more conventional pruning, emphasis on the results of the retraction of the branches and perennial fruiting branches, and the new results of the future branch, particularly vitality of the two