hypocotyls

Hypocotyls The stem below the cotyledons, occupying the region between the cotyledon stalks and the point where lateral roots arise.
是子叶以下的胚轴部分，即子叶着生点与侧根出现位点间的区域。
The transformation system had more transformation efficiency than other transformation system using hypocotyls as explants.
相对于大多数用下胚轴作外植体的转化体系来说，转化效率更高；
It was found that K. candel hypocotyls collected in Cangnan suffered serious pests.
在苍南采集的秋茄胚轴中，发现胚轴遭受到了严重的虫害。
The epidermal cells of hypocotyls and filaments were elongated with straight anticlinal walls.
花瓣上的表皮细胞为无规则形，垂周壁平直；
It was found that calcium reduced elongation of cucumber hypocotyls.
Hypocotyls grown in forest soil were best and that in seed soil were worst.
下胚轴在森林土的生长最好，在沙土的生长最差。
The two kinds of callus issue from hypocotyls and internodle stem sections have high callus ratio and good growth.
从下胚轴和茎段诱导出的两类愈伤组织有较高的出愈率和较强的生长势。