n. [植] 软木形成层;[植] 木栓形成层
1.And about a half month phellogen will begin to appear in the callus near the surface.
大约半个月后,在靠近表面的愈伤组织中出现木栓形成层。
2.And about a half month phellogen will begin to appear in the callus near the surface.
大约半个月后,在靠近表面的愈伤组织中出现木栓形成层。