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Latest Ulmus americana Stories

2012-03-29 22:43:56

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...

2012-03-29 21:27:55

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...

2011-03-31 00:48:43

Two U.S. Department of Agriculture (USDA) scientists may have discovered "the map to El Dorado" for the American elm"”a previously hidden population of elms that carry genes for resistance to Dutch elm disease. The disease kills individual branches and eventually the entire tree within one to several years. It has been accepted for 80 years that American elms (Ulmus americana) are tetraploids, trees with four copies of each chromosome. But there have also been persistent but dismissed...


Word of the Day
jument
  • A beast of burden; also, a beast in general.
'Jument' ultimately comes from the Latin 'jugum,' yoke.
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