晋中地区近年来生产上栽植的苹果多为乔砧加普通型品种和乔砧加短枝型品种方式,栽植密度多为3米×4米、2米×4米和2米×3米,整形修剪虽然采用轻剪长放、拉枝开角以及环割、扭梢等促花早果措施,但相当数量的密植果园在初果期甚至未挂果就因树体过高,冠径过大发生株行间交接,果园郁闭,果品质量低劣。怎么回事?主要原因还是整形修剪不当。 Jinzhong in recent years, the production of apple planting mostly Joe anvil plus ordinary varieties and Joe anvil plus spur type varieties, planting density and more for 3 m × 4 m, 2 m × 4 m and 2 m × 3 m, Although the use of plastic trim pruning long branches, branches open angle and ring cut, twist and other early flowers to promote measures, but a considerable number of dense orchards in the early fruit or not due to the tree because of the tree is too high, the crown diameter is too large Intercropping occurs between rows of plants, orchard closed, poor quality of fruit. What happened? The main reason is improper plastic trim.