secondary mother-tree次生代母树
mother r tree母树
primary mother-tree selection初生代母树选择
age of mother tree母树年龄
original mother tree原始母树
original mother tree gene原生母树基因
mother tree age母树年龄
mother tree orchard母树园
The hardwood from type of perpendicularity mother tree is better than from the type of grovel.
直立型母株插穗的生根性状优于匍匐型母株的插穗。
参考来源 - 臭柏无性繁殖技术