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The relationship between cross success and spatial proximity of Eucalyptus globulus ssp. Globulus parents

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Hardner, CM, Potts, BM and Gore, PL 1998 , 'The relationship between cross success and spatial proximity of Eucalyptus globulus ssp. Globulus parents' , Evolution, vol. 52, no. 2 , pp. 614-618 .

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Abstract

The genetic structure of Eucalyptus globulus forest was examined using progeny vigor as an indirect measure
of parental relatedness. Seven trees were crossed with pollen from trees: 0 In (selfing}; 21 m (nearest flowering
neighbors), 250 i11, 500 m, 1 km, 10 km, and 100 km away from the female. Only selfing depressed seed set. Growth
of the 21 In progenies was intermediate to selfing and the longer distance pollinations, suggesting tight family clusters
occur due to limited seed dispersal. Under this structure biparental inbreeding may be common, however, the cumulative
impact of inbreeding seems negligible as relatedness did not appear to decline with distance between mates beyond
50 m.

Item Type: Article
Authors/Creators:Hardner, CM and Potts, BM and Gore, PL
Journal or Publication Title: Evolution
ISSN: 0014-3820
Additional Information:

BM Potts. The definitive version is available at www.blackwell-synergy.com

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