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Level of Sterility and Morphological Flowers Differentiation of Petaloid Male-sterile Plants of Carrot

Author

Listed:
  • Elzbieta U. Kozik
  • Renata Nowak
  • Marzena Nowakowska
  • Barbara Dyki

Abstract

Evaluation of the phenotypic uniformity within the carrot petaloid cytoplasmic male sterile (CMS) BC1-BC4 backcross populations in relation to several morphological traits of petaloidy expression was assessed. A high variability in the sterility level within and between most of the progenies was observed. As a result of the carried out investigations, the eight CMS lines could be divided into three groups according to the sterility level- 1/ one line with the highest number of male-sterile plants (100%) occurring in all backcross populations of one line, 2/ four lines showed large shifts for the percentage of sterile plants as the backcross method progressed, 3/ three lines presented high fluctuations in the individual backcross populations. In 18 out of 25 male sterile backcross populations, white color of the corolla dominated (72%) over green color and in most crosses the highest number of white-flowered petaloidy type was achieved for the populations most advanced in backcrossing. Examinations of the carrot flowers by means of the transmitted-light microscope revealed that majority of the populations were characterized by other beneficial morphological flowers traits- well developed nectarines, pistils, and styles.

Suggested Citation

  • Elzbieta U. Kozik & Renata Nowak & Marzena Nowakowska & Barbara Dyki, 2012. "Level of Sterility and Morphological Flowers Differentiation of Petaloid Male-sterile Plants of Carrot," Journal of Agricultural Science, Canadian Center of Science and Education, vol. 4(2), pages 187-187, February.
    • Handle: RePEc:ibn:jasjnl:v:4:y:2012:i:2:p:187
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    JEL classification:

    • R00 - Urban, Rural, Regional, Real Estate, and Transportation Economics - - General - - - General
    • Z0 - Other Special Topics - - General

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