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Strong, independent, quantitative genetic control of the timing of vegetative phase change and first flowering in Eucalyptus globulus ssp. globulus (Tasmanian Blue Gum)

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Jordan, GJ, Potts, BM and Wiltshire, RJE 1999 , 'Strong, independent, quantitative genetic control of the timing of vegetative phase change and first flowering in Eucalyptus globulus ssp. globulus (Tasmanian Blue Gum)' , Heredity, vol. 83, no. 2 , pp. 179-187 , doi: 10.1046/j.1365-2540.1999.00570.x.

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Abstract

Analysis of large open-pollinated and controlled-cross field trials of Eucalyptus globulus ssp. globulus show quantitative genetic independence of the times of first flowering and the abrupt change in leaf form . The onset of each of these critical developmental events is under moderate to strong additive genetic control in this taxon, with individual narrow-sense heritabilities of 0.4-0.6 and 0.2-0.9 respectively, and little nonadditive genetic control. This strong additive genetic control and the independence of these processes provide the genetic environment for rapid heterochronic microevolution.

Item Type: Article
Authors/Creators:Jordan, GJ and Potts, BM and Wiltshire, RJE
Keywords: genetic correlation, heritability, heterochrony, heteroblasty, microevolution, ontogeny
Journal or Publication Title: Heredity
DOI / ID Number: 10.1046/j.1365-2540.1999.00570.x
Additional Information:

BM Potts. Definitive version is available at
http://www.nature.com/hdy/index.html

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