Abstract
Flowering dogwood (Cornus florida L.) is an ornamental tree valued for its showy white, pink, or red spring bract display and red fall color. A “pseudo” F2 flowering dogwood population was recently developed from a honeybee mediated cross of ‘Cherokee Brave’ × ‘Appalachian Spring’. The foliage color of 94 “pseudo” F2 plants segregated into green- and red- leaved phenotypes and was visually rated for color on five spring dates over 3 years (2007–2009). Chi-square analyses of observed segregation of phenotypes indicated that a complementary gene interaction form of epistasis controls foliage color with a 9:7 two gene ratio. We propose the symbols rl 1 and rl 2 for the genes controlling this trait.
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This work was supported by the United States Department of Agriculture Grant # 58-6404-7-213 and the J. Frank Schmidt Family Charitable Foundation. Mention of trade names or commercial products in this article is solely for the purpose of providing specific information and does not imply recommendation or endorsement by the University of Tennessee, Texas A&M University or the United States Department of Agriculture.
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Wadl, P.A., Wang, X., Pantalone, V.R. et al. Inheritance of red foliage in flowering dogwood (Cornus florida L.). Euphytica 176, 99–104 (2010). https://doi.org/10.1007/s10681-010-0219-7
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DOI: https://doi.org/10.1007/s10681-010-0219-7