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1 材料和方法1.1外植体1989年6月17日,将取自两株成龄楸叶泡桐的分生组织(约2cm)放在含6-(?)基嘌呤(BAP)1.0mg/1的BTM和1/2BTM培养基中培养,从成活的分生组织上诱导出苗.将这些苗在含BA P1.0 mg/1的BTM培
1 Materials and methods 1.1 explants On June 17, 1989, the meristems (about 2 cm) taken from two Paulownia paulownia trees were placed in a solution of 6- (?) -purpurine (BAP) 1.0 mg / l BTM and 1 / 2B (TM) medium were used to induce shoot emergence from viable meristems, and these shoots were grown in BTM culture medium containing BA P1.0 mg / 1