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18 December 2018 | Online since 2003


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5 September 2018 06:12:15 |Crops and Cereals,News

New outbreaks of devastating crop disease confirmed in UK


The soil-borne disease can severely affect crops, which leads to stunting and eventually death (Photo: University of Warwick)

The soil-borne disease can severely affect crops, which leads to stunting and eventually death (Photo: University of Warwick)

New outbreaks of a potentially devastating crop disease has been confirmed at sites in the UK and Ireland.
Lettuce Fusarium wilt have been confirmed at sites in Lancashire and Ireland, with a further case identified in Cambridgeshire this summer.
To prevent further spread of the disease, growers are reminded to implement good crop hygiene and seek early diagnosis where cases are suspected.
First identified in the UK in October 2017, these latest cases confirm the spread of the potentially devastating disease. All have been identified in protected lettuce crops, which are grown in greenhouses.
There is currently no known treatment or varietal resistance of the disease.
But trials are currently underway at University of Warwick to test the impact of plant protection products on the disease.


And new AHDB-funded work will start this autumn to find out more about the biology of lettuce Fusarium wilt.
'Minimise disease spread'
Lettuce and baby leaf salad production was valued at £171 million in the UK in 2017, so any damage to the sector could be potentially devastating.
Kim Parker, Crop Protection Scientist at the AHDB said: “The effective use of techniques to detect the strain of the disease identified in the UK – lettuce Fusarium wilt race 4 – in samples has provided the opportunity for prompt disease diagnosis.
“This has enabled affected growers to implement measures to minimise disease spread,” she said.
The University of Warwick has used conventional and molecular techniques as part of work to detect presence of the disease.
Dr John Clarkson, who leads the AHDB-funded research on the disease explained: “Lettuce Fusarium wilt is a soil-borne disease that can survive in soil for several years, so rigorous hygiene is essential to prevent disease spread between crops, glasshouses, nurseries and plant propagators.”




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