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Consequences of Corymbia (Myrtaceae) hybridisation on leaf-oil profiles

Hayes, R. A. and Nahrung, H. F. and Lee, D. J. (2013) Consequences of Corymbia (Myrtaceae) hybridisation on leaf-oil profiles. Australian Journal of Botany, 61 (1). pp. 52-59. ISSN 0067-1924

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Article Link(s): http://dx.doi.org/10.1071/BT12224

Publisher URL: http://www.publish.csiro.au › Journals › Australian Journal of Botany

Abstract

The present study examines patterns of heritability of plant secondary metabolites following hybridisation among three genetically homogeneous taxa of spotted gum (Corymbia henryi (S.T.Blake) K.D.Hill & L.A.S.Johnson, C. citriodora subsp. variegata (F.Muell.) K.D.Hill & L.A.S.Johnson and C. citriodora (Hook.) K.D.Hill & L.A.S.Johnson subsp. citriodora (section Maculatae), and their congener C. torelliana (F.Muell.) K.D.Hill & L.A.S.Johnson (section Torellianae)). Hexane extracts of leaves of all four parent taxa were statistically distinguishable (ANOSIM: global R = 0.976, P = 0.008). Hybridisation patterns varied among the taxa studied, with the hybrid formed with C. citriodora subsp. variegata showing an intermediate extractive profile between its parents, whereas the profiles of the other two hybrids were dominated by that of C. torelliana. These different patterns in plant secondary-metabolite inheritance may have implications for a range of plant-insect interactions.

Item Type:Article
Business groups:Horticulture and Forestry Science
Additional Information:Hayes, R. Andrew Nahrung, Helen F. Lee, David J. Science > Biology > Biochemistry Forestry Science > Biology > Genetics
Subjects:Science > Biology > Biochemistry
Forestry
Science > Biology > Genetics
Science > Entomology
Deposited On:23 Sep 2013 00:21
Last Modified:07 Jun 2015 15:09

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