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Genetic resources, genetic diversity and ecogeographic breeding

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Quantitative and Ecological Aspects of Plant Breeding

Part of the book series: Plant Breeding ((PLBR))

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Abstract

There are between 400 000 and 700 000 vascular plant species in the world, including angiosperms, gymnosperms and pteridophytes. Of these:

  • about 200 000 are flowering plants

  • 3000 may be potentially useful for human purposes

  • 100 are important crops today

  • 8 are major food crops (wheat, maize, rice, potato, barley, sweet potato, cassava and soya bean), of which

  • 3 — wheat, maize and rice — constitute some 50% of the per capita food supplies for direct human consumption (FAO, 1995).

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© 1998 Springer Science+Business Media Dordrecht

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Hill, J., Becker, H.C., Tigerstedt, P.M.A. (1998). Genetic resources, genetic diversity and ecogeographic breeding. In: Quantitative and Ecological Aspects of Plant Breeding. Plant Breeding. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-5830-5_9

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  • DOI: https://doi.org/10.1007/978-94-011-5830-5_9

  • Publisher Name: Springer, Dordrecht

  • Print ISBN: 978-94-010-6463-7

  • Online ISBN: 978-94-011-5830-5

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