stem apex

• 茎尖

stem apex的用法和样例：

例句

1. Calli were induced from immature leaves and stem segments of Minqin Chinese date,plant regeneration via organogenesis was obtained by rooting from shoot-tip.
   以民勤小枣幼茎和幼叶为外植体，诱导出愈伤组织，用茎尖诱导生根获得再生植株。