Rate of cluster buds induced by different gingkgo explants is not the same . among them , cluster buds can be obtained directly from stems and mostly from axillar bud , but the amount is little and differentiation rate is only 20 % 银杏不同外植体对丛生芽的诱导不同，银杏茎段培养可以直接得到丛生芽，但数量极少，而且大部分属于腋芽萌发，分化率20左右。
