对黑龙江省东南部山区9个种源的山丁予进行了资源调查,调查指标有代表物候、生长、果实特性的16个指标.结果表明,9个种源山丁子在胸径生长和叶长宽比间差异不显著,在枝条生长、单花花期、单株花期、果柄长、可溶性固形物含量、叶面积、萌动期、单果重、横纵比、单枝产量、分枝夹角、种子数、坐果率、饱满率14个指标间差异显著.%Malus baccata from 9 provenances were investigated in southeastern mountainous region of Heilongjiang Province based on 16 indexes such as phenology,growth and fruit characteristics.The results showed that there was no significant difference in diameter and leaf length width ratio,shoot length,flowering time,stalk length,soluble solids content,leaf area,germination stage,single fruit weight,transverse aspect ratio,single shoot yield,branch included angle,seed number,fruit-bearing rate,fullness rate were significantly different.
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