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Genetic diversity in cultivated plants—loss or stability?

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Abstract

Human activities like urbanisation, the replacement of traditional agriculture systems by modern industrial methods or the introduction of modern high-yielding varieties may pose a danger to the biological diversity. Using microsatellite markers, we analysed samples of cultivated wheat (Triticum aestivum L.) collected over an interval of 40–50 years in four comparable geographical regions of Europe and Asia. No significant differences in both the total number of alleles per locus and in the PIC values were detected when the material collected in the repeated collection missions in all four regions were compared. About two-thirds of the alleles were common to both collection periods, while one-third represented collection mission-specific alleles. These findings demonstrate that an allele flow took place during the adaptation of traditional agriculture to modern systems, whereas the level of genetic diversity was not significantly influenced.

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Acknowledgements

Elena Khlestkina thanks the Deutsche Forschungsgemeinschaft for financial support (Project No. 436RUS 17/16/02), Florent J.-B. Quenum was supported by the Deutsche Stiftung für internationale Entwicklung (DSE) and Zentralstelle für Ernährung und Landwirtschaft (ZEL), Programme 72.3. We thank Michael Grau and Marina Schäfer for providing the seed samples.

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Author notes

  1. E. K. Khlestkina

    Present address: Institute of Cytology and Genetics, Siberian Branch of the Russian Academy of Sciences, Lavrentyeva ave. 10, 630090, Novosibirsk, Russia

  2. F. J.-B. Quenum

    Present address: SOGICOM-International, 03Bp, 3628, Cotonou, Benin

  3. S. Chebotar

    Present address: South Plant Biotechnology Centre, Ovidiopolskaya dor.3, 65036, Odessa, Ukraine

Authors and Affiliations

  1. Institut für Pflanzengenetik und Kulturpflanzenforschung (IPK), Corrensstrasse 3, 06466, Gatersleben, Germany

    E. K. Khlestkina, X. Q. Huang, F. J.-B. Quenum, S. Chebotar, M. S. Röder & A. Börner

Authors
  1. E. K. Khlestkina
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  2. X. Q. Huang
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  3. F. J.-B. Quenum
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  4. S. Chebotar
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  5. M. S. Röder
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  6. A. Börner
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Corresponding author

Correspondence to A. Börner.

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Communicated by G. Wenzel

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Khlestkina, E.K., Huang, X.Q., Quenum, F.JB. et al. Genetic diversity in cultivated plants—loss or stability?. Theor Appl Genet 108, 1466–1472 (2004). https://doi.org/10.1007/s00122-003-1572-x

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  • DOI: https://doi.org/10.1007/s00122-003-1572-x

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