epicotyl

基本解释

• n.[植]上胚轴

同根派生

英汉例句

• Increasing proportions of the tree's pollen reduced the percentage of full seed and retarded growth of the epicotyl.
  树木本身花粉比例的增加使饱满种子的比例降低，并使胚轴生长缓慢。
• The effect of inducing callus by selecting epicotyl as explant was better than other explants.
  选用上胚轴为外植体的愈伤组织发生效果较其他外植体好；
• The regeneration systems of “kuai shi” plum were established, using epicotyl and hypotyl as exophyte.
  以快食李的上、下胚轴为外植体，建立了三华李胚轴再生体系，获得了再生植株。
• With MS culture medium, adsuki bean (Phaseolus angularis Wight) plants were regenerated at a high frequency (74%) from epicotyl explants in vitro.
  赤豆上胚轴外植体用单一的MS培养基能高频率(74%25)地诱导出再生植株。 外植体对生长调节物极敏感。
• Its seedling apparently divided into three zones: epicotyl shoot zone, cotyledon node zone (CNZ) and bypocotyl root zone.
  其幼苗初生维管系统的解剖学研究表明，它与毛茛科其它属一样，存在一个以子叶节区为中心的两个过渡区。