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September 19, 2018 |
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The City of Halifax is testing the resilience of palm trees during the winter season in Dartmouth parks. A total of nine cold-hardy palm trees have been planted in four parks to see how they will fare once temperatures plummet.
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Researchers in Montreal are hoping to learn more about invasive species in trees by placing 800 fake caterpillars on trees to attract predators. The goal is to attract such predators as birds and spiders and then study which caterpillars are left behind.
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A Tree Canada spokesman says Fredericton's ash tree population could survive the threat of the emerald ash borer if the city inoculates its trees next year with a larvae-killing vaccine.
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A London, Ont. woman is wondering how a developer was granted permission to bulldoze about 500 pine trees in one of the city's designated tree protection zones. She and several activists successfully blocked the developer's efforts to knock the trees down on Monday after blockading the area.
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The life of a 350-year-old red oak tree in Toronto has been spared after city council granted permission to city staff to negotiate acquisition of the North York home whose yard houses the tree.
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The 1998 ice storm that crippled eastern Ontario and western Quebec, leaving thousands without power, had one redeeming quality. It launched the career of a Quebec arborist who is celebrating 20 years in business this year.
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A 250-year-old ash tree, believed to be the oldest ash in Welland, Ont., has fallen victim to the wrath of the destructive emerald ash borer.
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Record-setting dry heat this summer in Winnipeg has become the latest threat against the city's urban forest. The city is already bracing itself against Dutch elm disease, the emerald ash borer and the cottony ash psyllid, but now a lack of moisture and high temperatures have combined to add to trees' stress levels.
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The City of Ottawa and South Nation Conservation have teamed up to offer homeowners a break in the cost of removing and replacing ash trees damaged by the invasive emerald ash borer. Ottawa homeowners will be eligible for up to $500 per tree to a maximum of 10 trees.
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Trees need water. No kidding, right? The need for water is probably the simplest concept of plant growth, however, a commonly overlooked fact is that tree health in managed landscapes usually suffers more from excess or improper irrigation than from lack of irrigation. There are a number of reasons why tree health suffers from improper irrigation, some direct and some related to secondary issues such as disease or decay.
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