idiophase

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.

地下原生和侧生两部分组成，其生长发育可划分为5个阶：原生分化、原生、侧生形成、快速、充实。