The leaf,style and shoot tip of oriental lily were used as the explants to study the embryonic callus inducement and plantlet regeneration on the solid MS medium containing different hormone combinations for establishing high frequency callus of Acapulco,Tiber and Siberia.It was found that MS medium containing Picloram was more favorable for embryonic callus formation than the MS medium containing 2,4-D,and the leaf and style could be induced to form embryonic callus and regenerated plantlets.The leaf culti...