1.The grow progress of bulb is divided to 5 stages: probulb idiophase, probulb enlargement stage, primarybulb idiophase, bulb weight fast gain stage and bulb plenum stage.
地下鳞由原生鳞
和侧生鳞
两部分
,
生长发育可划分为5个阶
:原生鳞
分化期、原生鳞
期、侧生鳞
形
期、鳞
快速
期、鳞
充实期。