1) early developing embryo
原胚期
1.
In this paper,the polyploids were induced by low concentration of colchicin and oryzalin solution at early developing embryo in order to research and produce a new sort of germplasm of autotetraploid in Dendrobium hybrida orchilds.
为了创制秋石斛同源四倍体新种质,以秋石斛同株异花授粉种子为材料,用组织培养方法,通过种子非共生萌发与原球茎诱导,在原球茎发育的原胚期,以低浓度混合诱变剂进行多倍体诱导。
2) early proembryo
早期原胚
3) gastrula stage,gastrula period
原肠胚期
4) late-stage gustrula embry
原肠晚期胚
6) early proembryo stage
早期原胚阶段
补充资料：海胆的发育原肠胚期
[图]
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条