seed stand

• 采种林分,种子林,母树林

seed stand的用法和样例：

例句

1. 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。
2. This pest is harmful to the main tip of red pine,and influences the timber production rate and timber quality of red pine ,down to seed quantities of mother forests.
   此虫危害红松主梢，影响红松的出材率和材质以及母树林的结实量。