noun
root crowding; root-bound condition
Botanical term for when a plant's roots become densely packed and tangled in a pot, restricting growth.
鉢の中で根詰まりを起こすと、植物の生育が悪くなる。
When root crowding occurs in a pot, the plant's growth suffers.
根詰まりした観葉植物は、一回り大きな鉢に植え替える必要がある。
A houseplant that has become root-bound needs to be repotted into a slightly larger pot.
Compound of 根 (root) and 詰まり (blockage, congestion), from the verb 詰まる (to be blocked).