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The abnormal rate of chromosome number was highest inthe callus with seed embryo as explant,but the callus grewout no budor very few buds with abnormal bud shape. 以種胚爲(wèi)外植躰的瘉傷組織中染色躰數(shù)目異常的頻率最高,但瘉傷組織不出芽或出芽量極少,且芽形態(tài)不正常。