The inducing conditions were optimized for cv. Tanzania and the rate of embryogenic calli was as high as 50% when shoot apices kept on the medium containing 1.0mg/L 4-fluorophenoxyacetic acid(4-FA).

• 当诱导条件优化后；Tanzania品种茎尖在含1mg/L的4-fluorophenoxyacetic acid(4-FA)的培养基上；胚性愈伤组织诱导率可达50%25.