摘要
着重研究了大白莱(Brassica pekinensis Rupreht)的形态——叶数、叶形、叶面积、生长量与叶球形成的关系。结果表明,大白莱结球是严格按规律进行的,必须在上述诸方面都达到一定阶段后,才能由外叶生长转向球叶生长,完成结球。
Deals with the relation of changes in Chinese cabbage (Brassica pekinensis Rupreht)including leaf number,shape,area and amount of growth with head forming.The results showed that the head formation has its own regularity strictly.The growth accelerates and the inner leaves grow more quickly than the outer leaves at certain stage,then the head forming will be finished.The study provided the plant management of Chinese cabbage with scientific basis.
关键词
大白菜
白菜
结球
叶形比
生长量
Chinese cabbage
head forming
leaf-shape index
amount of growth
