M_(26)苹果矮化砧在阿克苏的适应性分析

Analysis of the Adaptability of Apple Dwarfing Roostock M_(26) in Aksu

以M26苹果矮化砧为试材,采用常规调查和壕沟法,研究了M26苹果矮化砧露地高度对苹果树生长的影响。结果表明:苹果矮化砧在阿克苏适应性极差,不宜作为"红富士"的矮化中间砧在该区域发展。以M26为中间砧的"红富士"苹果在阿克苏红旗坡发生抽条现象十分严重,抽条的株率高达73.30%,树体生长极弱、中心干不强、树体发枝量少、偏冠严重;中间砧露地高度对树体生长影响无明显规律;中间砧埋入地下部分基本不发新根,根系中粗根占比高,而细根占比极低。

Taking apple dwarfing rootstock M26 as experimental material, by conventional survey and trench method, the growth of apple on height of apple dwarfing rootstock M26 out of ground was studied. The results showed that the shoots shriving of apple tree was happened very seriously on dwarfing rootstocks M26 in Aksth The shoots shriving was occurred on more than 73. 30% on the apple tree. The growth of apple tree was very slow,less spurs on the tree,no strong stered No obvious regularity was showed on the effect of height dwarfing rootstock out of ground. New roots were not grown on dwarfing rootstock M26 in soil. Comprehensive evaluation of apple dwarfing rootstock M26 in Aksu,and believed that the dwarfing rootstock M26 was poor adaptability,should not be grown in Aksu.