clubroot

American  

[kluhb-root, -root] / ˈklʌbˌrut, -ˌrʊt /

noun

1. Plant Pathology. a disease of cabbage and other cruciferous plants, characterized by enlarged, malformed roots, caused by a slime mold, Plasmodiophora brassicae.

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Etymology

Origin of clubroot

First recorded in 1840–50; club + root ¹

Example Sentences

In addition, farmers who gamble on back-to-back canola sowings - rather than letting fields recover - may still initially reap good harvests until clubroot spreads enough to substantially lower yields.

From Reuters • Feb. 22, 2018

But all firms face uncertainty because the clubroot pathogen adapts rapidly and not all pathotypes have been identified, said Marcus Weidler, vice-president of seeds operations at Bayer Crop Science.

From Reuters • Feb. 22, 2018

Many farmers also resist steps that might slow the spread of clubroot because it presents unusual economic dilemmas.

From Reuters • Feb. 22, 2018

Each gram of dirt in an infected field can host 100 million clubroot spores, which spread by wind, water, farm machinery - even a farmer’s boots.

From Reuters • Feb. 22, 2018

Worse, clubroot spores make themselves at home in the soil for up to 20 years, unlike most crop diseases that damage harvests for a single season.

From Reuters • Feb. 22, 2018