白菜型春油菜角果和种子生长规律研究 Ⅰ.角果的生长特性

A Study on the Growth Regular of Pod and Seed of Spring Rape(Brassica campestris L.)——I The Growth Characteristic of Pod

对白菜型春油菜(Brassica campestris L.)3个品种(系)角果生长特性进行了3年试验研究.结果表明:果身长度在开花后15d基本定型,果身宽度在开花后20d基本定型,果喙长度与果身长度定型时间相同.果壳鲜重和干重在开花后25d达最大值.

The lenth and width of pods and the lenth of pod beaks and the fresh and dry weight of pod skins on 3 varieties ( strains) of spring rape ( Brassica campestris L. ) were determined and analysed. The result indicated that the pod lenth of main, inflorescences and primary branchs almost finalize the type after flowering 15 days, the pod width almost finalize the type after flowering 20 days. The same of the time of finalize the type on the pod beaks lenth and the pods lenth. The fresh and dry weight of the pod skins reached their maximum values after flowering 25 days.