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Submitted on: 11 July 2008.
Revised on: 09 October 2008.
Accepted on: 24 October 2008.
___________________JOURNAL OF THE AMERICAN SOCIETY FOR HORTICULTURAL SCIENCE
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Submitted on: 09 August 1998.
Revised on: 28 October 1998.
Accepted on: 15 November 1998.
___________________JOURNAL OF THE AMERICAN SOCIETY FOR HORTICULTURAL SCIENCE
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