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德意志联邦共和国的恩格尔(G.Engel)报道:桔苹、Red Berlepsch和Red Boskoop等苹果品种,用M9和M26作砧木,芽接高度从15厘米增加到35厘米,树体的生长(干径和树冠体积)被削弱,产量(单株)减少.但是,用较强的MM106作砧木则芽接高度未显示明显的影响.高芽接生长弱的植株,修剪量可减少40%,采收劳力的差异却不明显.在矮化砧上高芽接的植株的栽植密度
G. Engel of the Federal Republic of Germany reported that apples cultivars such as Campanulaceae, Red Berlepsch and Red Boskoop were used as rootstocks with M9 and M26 as their rootstocks and sprouting height increased from 15 cm to 35 cm. The tree growth Volume) was weakened, yield (plant) decreased.However, with the stronger MM106 as the rootstock budding height did not show the obvious effect of high shoot growth of weak plants, the amount of pruning can be reduced by 40%, but the difference in harvesting labor Not obvious. Planting density of budded plants on dwarfing anvil