tree disease


The curious connection between an invasive beetle that has destroyed over 100 million trees, and subsequent heart disease and pneumonia in the human populations nearby The blight was first detected in June 2002, when the trees in Canton, Michigan, got sick. The culprit, the emerald ash borer, had arrived from […]

When Trees Die People Die



Toronto’s tree canopy could use your help ttp://news.nationalpost.com/2012/04/26/torontos-tree-canopy-could-use-your-help/ Sarah B. Hood  Apr 26, 2012 – 11:11 AM ET | Last Updated: Apr 25, 2012 6:19 PM ET In 2007, a small, rather pretty green bug called the Emerald Ash Borer was discovered in Toronto. The EAB, a very successful Asian native, likes to feed […]

By 2017, all of Toronto’s 860,000 ash trees may well ...



You may be aware that Ontario, along with many other jurisdictions, is being hit hard by the imported pest Emerald Ash Borer, Agrilus plannipennis. It has already killed tens of thousands of ash trees. The Municipal Arborists and Urban Foresters, a Committee of the International Society of Arboriculture and the […]

Emerald Ash Borer threat to trees in Ontario