ring rot


Also found in: Dictionary, Thesaurus.

ring rot

[′riŋ ‚rät]
(plant pathology)
A fungus disease of the sweet potato root caused by Rhizopus stolonifer and marked by rings of dry rot.
A bacterial disease of potatoes caused by Corynebacterium sepedonicum and characterized by brown discoloration of the annular vascular tissue.
References in periodicals archive ?
"When the seed were loaded and shipped from our farm it was Agrico who were sending the account to Tenerife, but when the first case of ring rot in Britain broke out at Morgrow they were suddenly our potatoes."
Wales Agriculture, Environment and Planning Minister Carwyn Jones said the infected seed potatoes were detected during the annual survey for ring rot, carried out by the Plant Health and Seeds Inspectorate.
Mr Morgan, one of the leading suppliers of seed potatoes in Britain, saw his business quarantined in 2003 when ring rot was discovered.
These measures follow a number of ring rot outbreaks in the Netherlands and are similar to arrangements already in place for imports of German and Polish potatoes.
'' Ring rot is found in parts of North America and the former Soviet Union and is also established in northern and eastern Europe.
Ring rot: Estimated annual scale is 310-330 samples.
The measures take effect on March 7 and are similar to arrangements already in place for imports of German and Polish potatoes, following outbreaks of ring rot in the Netherlands, source of most seed potatoes brought in from other parts of the EU.
John Morgan's Middlewood Farm,in the Brecon Beacons, was at the centre of Britain's potato ring rot outbreak last month.
British growers have pledged to contain and eradicate an outbreak of the highly contagious disease potato ring rot found on a farm in Wales.
Ring rot - described as the potato equivalent of foot and mouth - was discovered on a farm in mid Wales.
The report comes within weeks of the discovery of new outbreaks of potato ring rot disease, which was unheard of in Britain before it was found on seed potatoes imported from Holland at Middlewood Farm, in Bwlch near Brecon last year.
It was alarmed by the recent outbreak of potato ring rot at farm in the Brecon Beacons which arrived in a consignment of seed spuds from Holland.