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调查研究表明，由野生板栗嫁接成的板栗的成活率和保存率低的主要原因是，砧木未能及时彻底抹芽去蘖，导致接穗死亡。基部茎粗１．２ｃｍ以上的野生板栗均可以嫁接利用。
The investigation and research showed that the main reason that the survival rate and the preservation rate of chestnut grafted from wild chestnut were low was that the rootstock failed to completely wipe the bud in time and cause the death of the scion. Basal stem diameter 1.2cm above the wild chestnut can be grafted use.