1.Severe“ whiptail” condition in field specimen from and acid soil . Bare midribs or very narrow residual lamina.

1.甘蓝缺钼“鞭尾症：在田间酸性土壤上有严重的鞭尾症，中脉突出，狭小的叶片残留。

2.Four distribution patterns of are found on microphyll silica body, which are microphyll margin, midrib, homogeneity and nil patterns.

2.矽叶表面的分布有叶缘型、叶两侧型、全面分布型与无矽型等共四型。