以下为句子列表：
英文: We have observed the following characteristics of anatomical structure and development: (1) The primary roots belong to archetype and the lateral roots occur in the position toward the xylem of the vascular cylinder; (2) The root endodermis consists of th
中文: 结果表明：气生不定根具有以下结构特征和发育特点：(1)根为二原型，侧根正对着木质部发生；(2)幼根内皮层细胞具凯氏带加厚，维管柱内紧挨中柱鞘内侧具有2~4层大型薄壁细胞；(2)根中无髓和树脂道；(4)次生结构发生于根毛区，维管形成层由初生木质部和初生韧皮部之间的薄壁细胞转化形成；(5)中柱鞘和栓内层细胞富含单宁类物质；(6)次生韧皮部有石细胞，次生木质部射线发达。
更详细...
|
