母ぼ樹じゅ

noun

seed tree; mother tree

Forestry term for a tree left standing to provide seeds for natural regeneration.

• 伐ばっ採さい後ごも母ぼ樹じゅを数すう本ほん残のこして、自し然ぜんな更こう新しんを促うながす。

  After logging, a few seed trees are left to encourage natural regeneration.