母树林 meaning in English

parent-stand
reserve-seed tree forest
seed production stand
seed stand

Seed crops are collected from both natural stands and plantations which may have been culled to form seed stands .
种子采自天然林和人工林，两者都可能是经过去劣留优作为母树林的。
Tests in korean pine seed stands in linkou forest bureau have approved that prescribed burning is an effective measure for the prevention of forest fires and the safety of korean pine seed stands , as well as for the control of forest diseases and insects and the promotion of the tree growth
林口林业局通过对红松母树林下的细小可燃物进行计划烧除实验，证明这种方法不但是预防森林火灾、保证红松母树林安全的有效措施，而且还可消除森林病害虫和增加林木生长量。
Forests for special uses : forests and trees mainly aimed at national defense , environmental protection and scientific experiments , inclusive of national defense forests , experimental forests , parent stands , environmental protection forests , scenic beauty forests , trees for sites of historical interests and the forests of natural protection areas
（五）特种用途林：以国防、环境保护、科学实验等为主要目的的森林和林木，包括国防林、实验林、母树林、环境保护林、风景林，名胜古迹和革命纪念地的林木，自然保护区的森林。