Mushy Stems
Soft, mushy stems indicate tissue breakdown, often caused by overwatering or bacterial/fungal infection. This is a serious sign that needs prompt attention.
考えられる原因
Overwatering and Root Rot
Why: Excess moisture causes root decay, which spreads upward into the stems.
Signs to check: Stem base is soft and discolored, soil is constantly wet, foul smell may be present.
Bacterial Soft Rot
Why: Bacteria enter through wounds or damaged tissue, causing rapid tissue breakdown.
Signs to check: Stems collapse suddenly, mushy areas may be slimy, spreads quickly.
Cold Damage
Why: Freezing temperatures cause cell walls to burst, resulting in mushy, water-soaked tissue.
Signs to check: Damage appeared after cold exposure, affected areas are translucent and water-soaked.
確認ポイント
- 1Check how high up the stem the mushiness extends
- 2Inspect roots for rot — are they brown and mushy?
- 3Note any foul smell coming from the affected area
- 4Consider whether the plant was exposed to cold temperatures
対処法
- Cut away all mushy stem tissue with a sterile blade until you reach firm, healthy tissue
- Allow cut ends to dry and callus before replanting (for succulents and cacti)
- Repot in fresh, dry soil with good drainage
- Reduce watering significantly and ensure proper drainage
- Propagate healthy top cuttings if the base is too far gone
専門家に相談するタイミング
- Mushiness has reached the main stem or crown of the plant
- Entire base of the plant is soft and dark
- Foul smell persists after removing affected areas
ポイント
Mushy stems require urgent action. Remove all affected tissue, address overwatering, and consider propagating healthy sections as a backup.
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情報源: NC State Extension, Missouri Botanical Garden. 教育目的で公開されている園芸資料をまとめたコンテンツです。情報源の組織は透明性のためにのみ記載されており、推薦を意味するものではありません。