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Introgression in black poplar (Populus nigra L. ssp. nigra) and its transmission

Author

Listed:
  • V. Benetka

    (Silva Tarouca Research Institute for Landscape and Ornamental Gardening, Prùhonice, Czech Republic)

  • K. Vacková

    (Silva Tarouca Research Institute for Landscape and Ornamental Gardening, Prùhonice, Czech Republic)

  • I. Bartáková

    (Silva Tarouca Research Institute for Landscape and Ornamental Gardening, Prùhonice, Czech Republic)

  • M. Pospíšková

    (Silva Tarouca Research Institute for Landscape and Ornamental Gardening, Prùhonice, Czech Republic)

  • M. Rasl

    (Silva Tarouca Research Institute for Landscape and Ornamental Gardening, Prùhonice, Czech Republic)

Abstract

: Introgression was studied in the offspring of P. nigra and P. × canadensis female trees using 3 enzymatic patterns (6-PGD, LAP and GPI). Our investigations were aimed at the offspring from open pollination and controlled pollination by the pollen mixture from 3 clones of P. nigra and 3 clones of P. × canadensis. The rate of introgression in P. nigra offspring from open pollination was 0.67%. Introgression in 3 offsprings of P. nigra from controlled pollination was 7.14%. In P. × canadensis the heterozygous: homozygous phenotype ratio in 2 offsprings from open pollination was 1:1; it documents prevailing fertilization by P. nigra pollen. After fertilization by the pollen mixture this segregation ratio was 1:1 (6-PGD; GPI) or 3:1 (LAP). The offspring of P. × canadensis maternal components are assumed to have a major share in introgression.

Suggested Citation

  • V. Benetka & K. Vacková & I. Bartáková & M. Pospíšková & M. Rasl, 2002. "Introgression in black poplar (Populus nigra L. ssp. nigra) and its transmission," Journal of Forest Science, Czech Academy of Agricultural Sciences, vol. 48(3), pages 115-120.
    • Handle: RePEc:caa:jnljfs:v:48:y:2002:i:3:id:11863-jfs
    DOI: 10.17221/11863-JFS
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