The optimum concentration to induce cotyledon and callus of cotyledon for formation of adventitious root was 1.0mg/l,higher or lower concentration was unsatisfactory effect.

• 结果表明；诱导子叶和子叶的愈伤组织形成不定根的最适浓度为1.；0mg/l；过高或过低效果都不令人满意。