根ね接つぎ

noun

root grafting

A horticultural technique where a root piece is grafted onto a plant, often used for propagation or to improve rootstock.

• 根ね接つぎは、果か樹じゅの繁はん殖しょくによく使つかわれる技ぎ術じゅつです。

  Root grafting is a technique often used for propagating fruit trees.