Check your Swedish Columnar Aspens and Tower Poplars for a fungal disease causing brown or bronze colored sections of leaves.

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Why We Inspect

Alberta is extremely susceptible to invasive species. Some species are looking to get a foothold in our waterways and others are looking to invade our productive agricultural land. For this reason the Weed Act was proclaimed in 1907 and has existed in some form for the last 108 years, making it one of Alberta’s oldest pieces of legislation.

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The Society to Prevent Dutch Elm Disease (STOPDED) would like to make sure Albertans are informed about Dutch Elm Disease (DED) and how it can prevented.  Dutch Elm Disease Awareness Week is recognized annually throughout Alberta from June 22 to 28.

American elms are planted extensively in Alberta and have throughout the years become the tree of choice for the Prairies with good reason. These giants with their height and broad vase- shaped canopies have given them tremendous esthetic value.  They are tough, can endure extreme heat, cold and drought, yet retain incredible beauty.

However, all elm species that grow in Alberta have an Achilles heel. They are prone to DED, a deadly fungus. This fungus clogs the elm tree's water conducting system, causing the tree to die in a short period of time.  The fungus is primarily spread from one elm tree to another by elm bark beetles. 

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