epicotyl dormancy上胚轴休眠
short epicotyl短的上胚轴
decapitated epicotyl斩首上胚轴
epicotyl removal切除上胚轴
epicotyl segments上胚轴
epicotyl l上胚轴
Dormancy of epicotyl上胚轴休眠
Epicotyl segments oriented with their apical ends protruding from the medium( t )produced more shoots than those when they were placed horizentally(-), with the highest shoot production freguency of 100%.
外植体在培养基上的放置方式直接影响出芽，上胚轴切段以形态学下端垂直插入培养基（↑）不仅出芽率高（最高可达100.00％），而且出芽早。
参考来源 - 柚离体繁殖技术体系研究N（名词） the part of an embryo plant stem above the cotyledons but beneath the terminal bud 上胚轴