Ash Dieback Disease Debate
Full Debate: Read Full DebateDepartment: Department for Environment, Food and Rural Affairs
Sarah Wollaston
Main Page: Sarah Wollaston (Liberal Democrat - Totnes)Department Debates - View all Sarah Wollaston's debates with the Department for Environment, Food and Rural Affairs
(12 years ago)
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Mr Heath
We will continue the programme of inspection that has identified those saplings that may be a risk and destroyed them. The ban has been in place on a voluntary basis—it is now on a statutory basis—to ensure that nothing came into the country over this summer and therefore was not available for the next planting season. We can be reasonably assured that infected trees will not be planted this winter—at least those from commercial sources—but we need to maintain vigilance, which we certainly will do. We will also work closely with the industry, which understands how dangerous the disease is and wants to co-operate. I am grateful for the help it has given to the Department in identifying and dealing with the threat at an early stage.
Dr Sarah Wollaston (Totnes) (Con)
We have already seen one dangerous tree disease spreading into other species—phytophthora. Is there any evidence of Chalara spreading into other species, either on the continent or here?
Mr Heath
I do not believe that there is evidence of Chalara crossing species at the moment, but I will check that and give the hon. Lady an accurate response. She is right about phytophthora, which is well evidenced. In the case of Chalara fraxinea, we are dealing with a specific issue for the ash tree but, as she will be aware, fungal diseases are sometimes more easily spread between species than some other pathogens. I will examine all the evidence and write to her if there is any suggestion of cross-species spread.