This is the first known instance where a virus disease has caused a fatal epidemic among trees. The outbreak appears to be even more serious than that of the so-called Dutch elm disease which has ...

Dutch elm disease (DED) is a devastating fungal disease caused by the pathogen Ophiostoma novo-ulmi, which has significantly impacted elm populations, particularly in North America and Europe.

If you see symptoms of DED, call 311. City of Edmonton arborists are working swiftly to remove a fifth tree found infected ...

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The offensive against Dutch elm disease is paying off after the invasive fungus that kills elm trees was detected for the first time in Edmonton in August. The city expected to fight the disease ...

It was a disease that decimated towering trees across the country. In the 1970s, an outbreak of Dutch elm disease led to the loss of 90pc of elm trees, with 25 million falling victim to the ...