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Polyploidization of Pelargonium × hortorum L. H. Bailey in greenhouse conditions

Author

Listed:
  • P. Jadrná

    (Faculty of Horticulture, Mendel University of Agriculture and Forestry in Brno, Lednice, Czech Republic)

  • F. Kobza

    (Faculty of Horticulture, Mendel University of Agriculture and Forestry in Brno, Lednice, Czech Republic)

  • O. Plavcová

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

Abstract

This study is aimed at induction of polyploidy in the black-leaved cultivar Pelargonium × hortorum L. H. Bailey Black Velvet Scarlet F1 to obtain basic breeding material for creating new black-leaved tetraploid cultivars. The cultivar Gizela F1 was chosen as a control for the experiment. Tetraploidy was induced in seedlings in the cotyledon stage using various concentrations (from 0.1 to 2.5%) of colchicine water solutions; the treatments were repeated daily for 2, 3, 5 or 7 successive days. The first experiment, done in 2005, was very successful; 17.4% of treated Black Velvet Scarlet F1 plants and 23.7% of treated Gizela F1 plants were tetraploid, and other ploidy levels were also found. However, two other replications from 2006 (involving only five best treatments from the first experiment) were much less successful in comparison with the first one.

Suggested Citation

  • P. Jadrná & F. Kobza & O. Plavcová, 2009. "Polyploidization of Pelargonium × hortorum L. H. Bailey in greenhouse conditions," Horticultural Science, Czech Academy of Agricultural Sciences, vol. 36(1), pages 31-37.
    • Handle: RePEc:caa:jnlhor:v:36:y:2009:i:1:id:29-2008-hortsci
    DOI: 10.17221/29/2008-HORTSCI
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    References listed on IDEAS

    as
    1. A. D. Lagibo & F. Kobza & P. Suchánková, 2005. "Polyploidy effects on frost tolerance and winter survival of garden pansy genotypes," Horticultural Science, Czech Academy of Agricultural Sciences, vol. 32(4), pages 138-146.
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    Cited by:

    1. P. Jadrná & O. Plavcová & F. Kobza, 2010. "Morphological changes in colchicine--treated Pelargonium × hortorum L.H. Bailey greenhouse plants," Horticultural Science, Czech Academy of Agricultural Sciences, vol. 37(1), pages 27-33.

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    More about this item

    Keywords

    Pelargonium × hortorum; zonal pelargonium; Black Velvet Scarlet F1; colchicine; induced polyploidy; flow cytometry;
    All these keywords.

    JEL classification:

    • F1 - International Economics - - Trade

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