Latest Ulmus 'Urban' Stories
Professional urban forester and arborist Michael Allen shares his experience and expertise in ‘Dr. Tree’s Guide to the Common Diseases of Urban Prairie Trees’ Winnipeg, Canada (PRWEB) July 16, 2014 From consulting urban forester Michael Allen comes a brand new picture book that addresses hundreds of questions about tree diseases. “Dr. Tree’s Guide to the Common Diseases of Urban Prairie Trees” is a non-fiction book that relates to the prairie regions of North America. Its...
Scientists at the University of Guelph have found a way to successfully clone American elm trees that have survived repeated epidemics of their biggest killer – Dutch elm disease. The breakthrough is the first known use of in vitro culture technology to clone buds of mature American elm trees. "This research has the potential to bring back the beloved American elm population to North America," said Prof. Praveen Saxena, a plant scientist who worked on the project with Professor...
A healthy century old American elm on the campus of the University of Guelph could hold the key to reviving the species that has been decimated by Dutch elm disease (DED). This tree is an example of a small population of mature trees that have resisted the ravages of DED. A study published in the Canadian Journal of Forest Research (CJFR) examines using shoot buds from the tree to develop an in vitro conservation system for American elm trees. "Elm trees naturally live to be several...
- A murmuring sound; a rushing or whistling sound, like that of the wind; a deep sigh.
- A gentle breeze; a waft; a breath.
- Any rumor that engages general attention.
- To make a rushing, whistling, or sighing sound; emit a hollow murmur; murmur or sigh like the wind.
- To breathe in or as in sleep.
- To utter in a whining or monotonous tone.