玉米幼苗不同部位的再生能力和某些影响因子

马海珍, 朱伟伟, 王启柏, 王国良, 李新征^*, 亓宝秀^*

Regeneration Capacity and Some Affecting Factors of Different Parts of Young Seedlings of Maize (Zea mays L.)

MA Hai-Zhen, ZHU Wei-Wei, WANG Qi-Bai, WANG Guo-Liang, LI Xin-Zheng^*, QI Bao-Xiu^*

图1 黑暗和光照条件下玉米齐319芽尖和根尖形成的初级愈伤组织形态及诱导率的比较 A, E: 分别为光照和黑暗条件下萌发的玉米种子; B, F: 分别为光照下和黑暗下萌发的幼苗的根尖形成的初级愈伤; C, G: 分别为光照和黑暗下萌发的幼苗的芽尖形成的初级愈伤; D, H: 分别为光照下和黑暗下萌发的幼苗的根的非根尖区形成的愈伤组织形成情况; I: 光照和黑暗条件下萌发的幼苗的芽尖、根尖和根毛区形成的初级愈伤组织诱导率的比较。
Fig. 1 Comparison of primary callus morphology and induction rate from shoot tips and root tips of maize Qi 319 germinated under dark and light A, E: maize germinated in the light and in the dark, respectively; B, F: primary callus formed from root tips of maize germinated in light and dark, respectively; C, G: primary callus formed from shoot tips of maize germinated in light and dark, respectively; D, H: primary callus formed from the mature root zone of the maize germinated in light and dark, respectively; I: Comparison of primary callus induction rate of shoot tips, root tips and the mature zone of maize germinated in dark and light.