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powdery scab
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English
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English
Wikipedia
has an article on:
powdery scab
Wikipedia
Noun
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powdery
scab
(
uncountable
)
A
disease
of
potato
tubers
, caused by the
cercozoan
Spongospora subterranea f. sp. subterranea
, and characterized by small
lesions
progressing to raised
pustules
containing a powdery mass.
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