苹果短枝型品种上强下弱修剪要点阮亚众，贾金城（平顶山市林业技术推广站）在近年来发展的果园中，短枝型品种普遍存在上强下弱现象。１一２年生幼树此现象还不太明显，但进入初果期表现就十分突出。抑上促下，平衡树势，宜早不宜迟。早则见效快，迟则更难控制。修剪要点... Spruce-type varieties on the strong under weak pruning points Ruan Yazhong, Jia Jincheng (Pingdingshan Forestry Extension Station) In recent years the development of orchards, spur-type varieties prevail on the strong weak phenomenon. 1 to 2 year-old saplings of this phenomenon is not yet obvious, but into the early fruit of the performance is very prominent. Inhibit the promotion, balance tree potential, it should not be late sooner. Early quick, late is more difficult to control. Pruning points ...