<abstract xmlns="http://www.w3.org/1999/xhtml"><p> This study presents information on karyotypes of the Strezelecki Ranges race, referred to in previous studies as Jeerelangs (Victoria, Australia), of the complex Eucalyptus globulus. ssp globulus and another from Central- Southern Chile (Contulmo). The chromosomes counted (2n = 22) are fairly small-sized and found within the size ranges reported by other authors. The chromosome measurements, done with the Micromeasure program, indicate that the Strezelecki Ranges lineage has a relatively large genome (Total Chromosome Length = 8.94%) as compared to measurements of local lineages (Chile). This could be explained by genetic recombinations resulting from the successive hybridizations reported for this race. The data obtained for both lineages reveal a set of markedly metacentric chromosomes with a centromeric index between 0.44 and 0.46.</p></abstract>

This study presents information on karyotypes of the Strezelecki Ranges race, referred to in previous studies as Jeerelangs (Victoria, Australia), of the complex Eucalyptus globulus. ssp globulus and another from Central- Southern Chile (Contulmo). The chromosomes counted (2n = 22) are fairly small-sized and found within the size ranges reported by other authors. The chromosome measurements, done with the Micromeasure program, indicate that the Strezelecki Ranges lineage has a relatively large genome (Total Chromosome Length = 8.94%) as compared to measurements of local lineages (Chile). This could be explained by genetic recombinations resulting from the successive hybridizations reported for this race. The data obtained for both lineages reveal a set of markedly metacentric chromosomes with a centromeric index between 0.44 and 0.46.

Comparative Analysis of Karyotypes from the Strezelecki Ranges Race of the Complex Eucalyptus globulus Labill. ssp. globulus (Myrtaceae) and a Population in Central-Southern Chile

Silvae Genetica

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

This study presents information on karyotypes of the Strezelecki Ranges race, referred to in previous studies as Jeerelangs (Victoria, Australia), of the...

Comparative Analysis of Karyotypes from the Strezelecki Ranges Race of the Complex Eucalyptus globulus Labill. ssp. globulus (Myrtaceae) and a Population in Central-Southern Chile

Pubblicato online: 14 ott 2017

Pagine: 158 - 162

Ricevuto: 12 apr 2006

DOI: https://doi.org/10.1515/sg-2007-0024

Parole chiave
Eucalyptus globulus, Myrtaceae, karyotype, chromosomes, land race, Chile, Australia

© 2017

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Comparative Analysis of Karyotypes from the Strezelecki Ranges Race of the Complex Eucalyptus globulus Labill. ssp. globulus (Myrtaceae) and a Population in Central-Southern Chile

Pubblicato online: 14 ott 2017

Pagine: 158 - 162

Ricevuto: 12 apr 2006

DOI: https://doi.org/10.1515/sg-2007-0024

Parole chiaveEucalyptus globulus, Myrtaceae, karyotype, chromosomes, land race, Chile, Australia

© 2017

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Parole chiave
Eucalyptus globulus, Myrtaceae, karyotype, chromosomes, land race, Chile, Australia