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Tag Archives Bark beetle

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Time to get the dead wood out

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The annual elm-pruning ban is over until March 31, so it’s time to remove dead wood that can attract elm bark beetles, says the Society to Prevent Dutch Elm Disease (STOPDED). The beetles breed and overwinter in dead and dying elms but trees can’t be pruned between April 1 and Sept. 30 because the pests […] Read more
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Elm pruning ban in effect until October

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The Society to Prevent Dutch Elm Disease (STOPDED) is reminding Albertans the provincial elm pruning ban remains in effect until Sept. 30. Under the Alberta Agricultural Pests Act, it is illegal to prune elm trees during this time or store elm wood. Stored elm wood can harbour the elm bark beetles that can carry DED […] Read more
News

Dry conditions leave trees stressed and vulnerable

Monitor trees regularly for boring insects and bark beetles, says provincial woodlot specialist


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Recent dry conditions will take a toll on trees, says the province’s woodlot extension specialist. “It’s an invitation for insect infestations, not just for this year, but for upcoming years as well,” said Toso Bozic. This is because stressed trees are less able to resist invasion, and some boring insects and bark beetles increase during […] Read more
News

Elm-pruning ban lifted until next spring

Now is the time to remove dead wood to help keep elms healthy

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The annual elm-pruning ban in Alberta has been lifted until March 31. “With the annual ban now lifted, it’s time to start taking the dead wood out of your elm trees,” said Janet Feddes-Calpas, executive director of the Society to Prevent Dutch Elm Disease. “To help eliminate elm bark beetle habitat, elm sanitation is essential […] Read more
Dutch elm disease can cause leaves to wilt or droop, curl and become brown in early summer.
News

Dutch elm disease on the march, so check your trees

Both the number of beetles carrying the disease and the number of municipalities with infected beetles are increasing

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Albertans are being urged to check their elm trees for symptoms of Dutch elm disease (DED). “All species of elm trees in Alberta are susceptible to DED,” said Janet Feddes-Calpas, executive of the Society to Prevent Dutch Elm Disease (STOPDED). “If a tree is infected with this fungus, it must be removed immediately to prevent […] Read more

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