Forest Reproductive Materials Seed Stands & Seed Orchards
收藏资源简介:
The Categories are: "Source Identified" comes from general or specific locations within a single region of provenance or seed zone altitude band in which no specific superior qualities are recognised. "Selected" are collected from stands showing superior characteristics, e.g. better form, growth rate and health. "Qualified" derives from the selection of superior individual trees which have not undergone any form of testing. "Tested" derives from the selection of individual trees or stands that have undergone evaluation for genetic quality or have been shown to be superior, in comparison to accepted standards.
本数据集的类别如下:源识别类(Source Identified),源自单个种源或种子区海拔带内的通用或特定地点,且未被认定具备任何特定优良性状;选留类(Selected),采自表现出优良性状的林分,例如株形更佳、生长速率更快、健康状况更好;合格类(Qualified),源自未经任何形式测试的优良单株选育;审定类(Tested),源自经过遗传品质评估,或经对照公认标准被证实为优良的单株或林分选育。



