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Agronomic Performance of Doubled Haploid Lines and Pedigree-Derived Lines of Winter Oilseed Rape

Author

Listed:
  • V. Kučera

    (Department of Applied Genetics, Research Institute of Crop Production, Prague-Ruzyně, Czech Republic,)

  • E. Schwarzbach

    (Department of Applied Genetics, Research Institute of Crop Production, Prague-Ruzyně, Czech Republic,)

  • M. Klíma

    (Department of Applied Genetics, Research Institute of Crop Production, Prague-Ruzyně, Czech Republic,)

  • M. Vyvadilová

    (Department of Applied Genetics, Research Institute of Crop Production, Prague-Ruzyně, Czech Republic,)

Abstract

In four not overlapping sets of cultivars, including doubled haploid (DH) lines and pedigree derived (PD) lines of winter oilseed rape, both types of lines were compared in basic agronomic traits. The tested lines originated from breeding programmes of different breeders. Each set of cultivars was tested in a different year from 2001 to 2004 in multi-location trials with four replicates. There was no consistency in yield superiority of DH or PD lines and in all four sets the differences between the means of DH and PD groups were insignificant. On average, the differences between the groups of DH and PD lines were negligible in all evaluated agronomic traits. The statistical analyses of yield performance however revealed a very low predictive value of the multi-location trials. It can be concluded that with the given selection techniques and the actual system of cultivar trials nearly random samples of possible DH and PD lines were obtained in which no superiority of DH or PD lines in the evaluated agronomic traits could be detected.

Suggested Citation

  • V. Kučera & E. Schwarzbach & M. Klíma & M. Vyvadilová, 2004. "Agronomic Performance of Doubled Haploid Lines and Pedigree-Derived Lines of Winter Oilseed Rape," Czech Journal of Genetics and Plant Breeding, Czech Academy of Agricultural Sciences, vol. 40(4), pages 127-133.
    • Handle: RePEc:caa:jnlcjg:v:40:y:2004:i:4:id:3710-cjgpb
    DOI: 10.17221/3710-CJGPB
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    Cited by:

    1. Iva Smýkalová & Martina Větrovcová & Miroslav Klíma & Ivana Macháčková & Miroslav Griga, 2006. "Efficiency of Microspore Culture for Doubled Haploid Production in the Breeding Project "Czech Winter Rape"," Czech Journal of Genetics and Plant Breeding, Czech Academy of Agricultural Sciences, vol. 42(2), pages 58-71.
    2. Narpal Deep Kaur & Miroslava Vyvadilová & Miroslav Klíma & Miroslav Bechyně, 2006. "A Simple Procedure for Mesophyll Protoplast Culture and Plant Regeneration in Brassica oleracea L. and Brassica napus L," Czech Journal of Genetics and Plant Breeding, Czech Academy of Agricultural Sciences, vol. 42(3), pages 103-110.

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