1·以玉米自交系4112的幼胚为外植体，以MS为基本培养基，研究了不同质量浓度的2,4 - D对愈伤组织诱导的影响。
Influence of different mass concentration of 2, 4-d on callus induction in maize inbred line 4112 from immature embryos with MS being used as basal culture medium was studied.