In this study, three Agrobacterium rhizogenes bacterial strains 30148, 15834 and ZALF infected the leaf explants of triploid Chinese white poplar, the hairy roots were obtained from leaf explants.

• 本研究分别用发根农杆菌30148,15834和ZALF三种菌株感染三倍体毛白杨叶外植体,并获得毛状根。