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Identification of races in Eucalyptus globulus ssp globulus based on growth traits in Tasmania and geographic distribution


Jordan, GJ and Borralho, NMG and Tilyard, P and Potts, BM, Identification of races in Eucalyptus globulus ssp globulus based on growth traits in Tasmania and geographic distribution, Silvae Genetica, 43, (5-6) pp. 292-298. ISSN 0037-5349 (1994) [Refereed Article]


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Copyright 1994 J D Sauerlanders Verlag

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Canonical discriminant analysis of 432 open-pollinated families grouped into 46 collection localities covering the natural geographic range of Eucalyptus globulus ssp globulus was carried out on four year growth data from five trial sites in Northern Tasmania. Combining results from the analysis of growth responses with natural geographic boundaries and reported taxonomic groupings it was possible to identify 12 geographical races in the E. globulus ssp globulus base population. The three races from Victoria [(1) the Otway Ranges, (2) the Strzelecki Ranges and (3) South Gippsland], the (4) King Island, the (5) Furneaux Group, and (6) Central Western Tasmania races, showed relatively similar growth responses. Races from eastern Tasmania, [(7) Northeastern Tasmania, (8) Eastern Tasmania, (9) Jericho, and (10) Southeastern Tasmania] were distinct from the previous large group. Two small races, (11) Port Davey and (12) Lighthouse, Wilson's Promontory had very slow growth. The trees at the Lighthouse locality had a distinct shrub-like habit. The classification of four localities (South West Lavers Hill, Clarke Island, Dover and Recherche Bay) was doubtful. The variation in growth response across environments among the different races suggest that appropriate genetic groupings (tentatively the 12 geographic races identified here) should be made prior to further genetic analysis of E. globulus ssp globulus breeding populations.

Item Details

Item Type:Refereed Article
Keywords:Eucalyptus globulus, growth response, base population, canonical discriminant analysis, geographic variation
Research Division:Agricultural, Veterinary and Food Sciences
Research Group:Forestry sciences
Research Field:Tree improvement (incl. selection and breeding)
Objective Division:Plant Production and Plant Primary Products
Objective Group:Forestry
Objective Field:Native forests
UTAS Author:Jordan, GJ (Professor Greg Jordan)
UTAS Author:Borralho, NMG (Dr Nuno Borralho)
UTAS Author:Tilyard, P (Mr Paul Tilyard)
UTAS Author:Potts, BM (Professor Brad Potts)
ID Code:86541
Year Published:1994
Web of Science® Times Cited:28
Deposited By:Plant Science
Deposited On:2013-09-23
Last Modified:2013-09-30
Downloads:224 View Download Statistics

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