Flavonoids and Coumarins in Fraxinus and Their Potential Utility in Hybrid Verification
In contradiction of previous reports, it was not possible to distinguish between F. americana and F. pennsylvanica on the basis of flavonoids. Leaves of both species contained the same two flavone glycosides and no coumarins. Species in other botanical Subsections produced flavonol glycosides as well as a number of coumarin compounds. Chemical verification of interspecific hybridity in many combinations, especially those involving white or green ash, should be readily accomplished using simple paper chromatographic analyses.
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Author(s): Frank S. Santamour, Jr.
Publication: Tree Improvement and Genetics - Northeastern Forest Tree Improvement Conference - 1981