Meaning & use

root rot

noun·Advanced

Last updated

UK/ˈruːt rɒt/
US/ˈruːt rɑːt/

Meaning

  1. noununcountable

    A plant disease in which the roots decay, usually because the soil stays too wet or fungi attack them.

    Grammar: Used without 'a' or a plural: root rot spreads quickly; not 'a root rot' or 'root rots'.

    Patterns

    • root rot in something
    • cause root rot
    • prevent root rot

    The yellowing leaves and soft stems suggest root rot rather than a lack of light.

    Overwatering is the most common cause of root rot in houseplants.

    Gardeners often lose whole beds to root rot after a rainy spring.

Common combinations

suffer from root rot
The seedlings began to suffer from root rot after the soil stayed soaked for days.
prevent root rot
Good drainage helps prevent root rot in potted plants.
root rot spreads
Once root rot spreads, the plant may be impossible to save.
signs of root rot
Wilting despite wet soil is one of the first signs of root rot.

Synonyms and how they differ

damping-off
Damping-off is a similar fungal problem that mainly kills seedlings at the stem base, while root rot affects the roots of older plants too.

Word family

root noun
The underground part of a plant, which is the part damaged by root rot.
rotting noun
The process of decaying, which is what happens to roots in this disease.

Commonly confused: root rot or root rot?

root rot vs root rot

Do not confuse with 'root rot' as a verb phrase; the disease name is a noun, so you say 'the plant has root rot', not 'the plant root rots'.

Practice

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