Agamospermy in outbred crosses of Fragaria vesca L. (Rosaceae)

Agamospermy in outbred crosses of Fragaria vesca L. (Rosaceae) The seed progeny obtained in European wood strawberry Fragaria vesca L. (2n = 2x = 14) via outbred crosses proved to include matromorphic diploid plants, whose proportion varied from 10.0 to 21.0%. To allow their identification, the crosses were performed using recessive dihomozygotes (variety Alexandria) as a maternal form and dominant dihomozygotes as a paternal form. Generation of parthenogenetic plants in ourbred crosses with known genetic markers suggested pseudogamous agamospermy. The question is discussed as to whether seed development via agamospermy is possible in wild-growing F. vesca populations of Siberia. The capability of forming some seeds via agamospermy is considered to result from successful adaptation of the F. vesca reproductive system to stressful growth conditions. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Genetics Springer Journals

Agamospermy in outbred crosses of Fragaria vesca L. (Rosaceae)

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Publisher
SP MAIK Nauka/Interperiodica
Copyright
Copyright © 2009 by Pleiades Publishing, Ltd.
Subject
Biomedicine; Microbial Genetics and Genomics; Animal Genetics and Genomics; Human Genetics
ISSN
1022-7954
eISSN
1608-3369
D.O.I.
10.1134/S1022795409030107
Publisher site
See Article on Publisher Site

Abstract

The seed progeny obtained in European wood strawberry Fragaria vesca L. (2n = 2x = 14) via outbred crosses proved to include matromorphic diploid plants, whose proportion varied from 10.0 to 21.0%. To allow their identification, the crosses were performed using recessive dihomozygotes (variety Alexandria) as a maternal form and dominant dihomozygotes as a paternal form. Generation of parthenogenetic plants in ourbred crosses with known genetic markers suggested pseudogamous agamospermy. The question is discussed as to whether seed development via agamospermy is possible in wild-growing F. vesca populations of Siberia. The capability of forming some seeds via agamospermy is considered to result from successful adaptation of the F. vesca reproductive system to stressful growth conditions.

Journal

Russian Journal of GeneticsSpringer Journals

Published: Mar 20, 2009

References

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