On 1/4 DKW basal medium supplemented no plant growth regulators, the rooting ratio of the top section was 100%, while the middle and basal had no rhizogenesis.

• 以核桃成熟或近成熟种实子叶为试材，在1/4DKW基本培养基上培养，近胚端的生根率达100%25，而中部和远胚端的生根率为0。