. Agri-news. Agriculture. Date May 2001 May 28 to June 1 is Dutch Elm Disease Awareness Week Alberta has the largest DED-free stands of American elms in the world, but Dutch Elm Disease (DED) remains a very real threat to Alberta elms. Alberta and are considered together as one of the last two locations in North America free of this destructive disease of elm trees. The other DED-free location is Newfoundland. The non-profit organization, Society to Prevent Dutch Elm Disease (STOPDED) and Alberta Agriculture Food and Rural Development have been promoting prevention programs throughout the
. Agri-news. Agriculture. Date May 2001 May 28 to June 1 is Dutch Elm Disease Awareness Week Alberta has the largest DED-free stands of American elms in the world, but Dutch Elm Disease (DED) remains a very real threat to Alberta elms. Alberta and are considered together as one of the last two locations in North America free of this destructive disease of elm trees. The other DED-free location is Newfoundland. The non-profit organization, Society to Prevent Dutch Elm Disease (STOPDED) and Alberta Agriculture Food and Rural Development have been promoting prevention programs throughout the province to save Alberta elms. Public awareness is a key component to the success of the program. "The week of May 28 to June 1, 2001 has been proclaimed Dutch Elm Disease Awareness Week in Alberta," says Janet Feddes-Calpas, Alberta Agriculture, Food and Rural Development's Dutch Elm Disease program coordinator. Edmonton. "Until there is a cure for DED, prevention remains our most effective form of control. DED can be ; Albertans are asked to help save the province's beautiful American elm trees by taking the following preventive measures: • Keep elm trees healthy and vigorous. • Elm wood provides ideal breeding sites for the tiny elm bark beetle that spreads DED. Dispose of all elm wood by burning, burying or chipping it. • Learn how to identify the signs of DED and beetle activity so that you can report them to the nearest DED Hotline to your community. Symptoms usually appear in mid June to mid-July when the leaves will or droop, curl up and become brown. Leaves on trees infected later in the season usually turn yellow and drop prematurely. Leaf symptoms are accompanied by brown staining under the bark. All suspicious elms must be tested in a lab for the presence of the fungus. A confirmed DED tree must be carefully removed and properlv disposed of immediately to prevent further spread. • Water elms well from April to mid-August. To al
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