Dorothy and Shauna talk with arbourist Ryan Statham about invasive insects and trees.
Ryan is an arbourist with Davey Canada, a company that specializes in urban forestry. Trees of all kinds hold a special interest for Dorothy, a member of the Tree Canada board. They discuss the emerald ash borer and its proliferation throughout North America, wherever ash trees grow. Trees can be treated or inoculated with a derivative of neem oil.
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