Juniper tree drought resistance is studied

Published: March. 12, 2008 at 12:55 PM
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DURHAM, N.C., March 12 (UPI) -- A U.S. study suggests an ability to avoid plant vapor lock and a favorable evolutionary history might help explain why juniper trees are drought resistant.

Duke University researchers noted some varieties of junipers are rapidly spreading in water-starved regions of the western United States.

"The take-home message is that junipers are the most drought-resistant group that has ever been studied," said Professor Robert Jackson. "We examined 14 species from the U.S. and Caribbean, and they're all relatively drought-resistant -- even ones in the mountains of Jamaica that get hundreds of inches of rain a year."

The research, which included graduate student Cynthia Willson and Duke Associate Professor Paul Manos, appears in the American Journal of Botany.


© 2008 United Press International, Inc. All Rights Reserved.



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