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本文系统研究了苹果抗寒矮化砧ＧＭ２５６以中间砧形式对金红苹果在生长、结果和果品质量等方面的影响后认为：该砧木对金红苹果具有明显的矮化作用。七年生树高度降低了３０％，累计产量比对照增产３５５％，可溶性固形物和着色增强，果品质量提高。
This paper systematically studied the effect of apple cold-resistant dwarfing anvil GM256 on the growth, fruit quality and fruit quality of golden red apple in the form of anvil. It is concluded that this rootstock has significant dwarfing effect on golden red apple. The tree height of seven-year-old trees decreased by 30%, the cumulative yield increased by 355% compared with the control, the soluble solids and the coloring were enhanced, and the quality of the fruits improved.