Regeneration of fertile doubled haploid plants from colchicine-supplemented media in wheat anther culture

I. Zamani, G. Kovács, E. Gouli-Vavdinoudi, D. G. Roupakias, B. Barnabás

Research output: Contribution to journalArticle

22 Citations (Scopus)

Abstract

The effect of colchicine added to induction medium for the production of fertile doubled haploid plants after in-vitro anther culture was studied in wheat, Triticum aestivum L. For this, one winter and two spring wheat varieties were used. Anther cultures of the three genotypes were treated with 0.03% colchicine for 3 days at the beginning of microspore induction. Colchicine had no significant effect on anther response and embryoid production of the genotypes examined. However, in the winter wheat genotype 'Mv Szigma', colchicine caused a significant reduction in microspore-derived structures. A significant decrease was also observed in plant regeneration ability of two genotypes ('Vergina' and 'Acheloos') after colchicine treatment. In addition, a significant reduction of the albinos produced was observed in all genotypes after colchicine treatment. In contrast, the regenerants obtained from the colchicine-supplemented induction media produced significantly higher percentages of fertile plants in all genotypes. However, the level of fertility, was significantly different among the fertile plants obtained. This, together with the observation that in the case of the winter wheat variety the colchicine treatment resulted in 100% completely fertile plants with a high seed-setting ability indicate that there is space for further improvement of the method when it is applied to spring cultivars. Finally, the increased number of seeds per 100 plated anthers obtained from all three genotypes after colchicine treatment, clearly demonstrates that the addition of colchicine to induction medium was superior to the conventional anther culture method and it could therefore be introduced into wheat breeding programmes.

Original languageEnglish
Pages (from-to)461-465
Number of pages5
JournalPlant Breeding
Volume119
Issue number6
DOIs
Publication statusPublished - 2000

Fingerprint

anther culture
Haploidy
colchicine
Colchicine
doubled haploids
Triticum
Regeneration
wheat
Genotype
genotype
microspores
anthers
winter wheat
Seeds
Therapeutics
seeds
spring wheat
albino
Breeding
Fertility

Keywords

  • Anther culture
  • Colchicine
  • Doubled haploids
  • Fertility
  • Spontaneous genome doubling
  • Triticum aestivum

ASJC Scopus subject areas

  • Agronomy and Crop Science
  • Plant Science
  • Biotechnology

Cite this

Regeneration of fertile doubled haploid plants from colchicine-supplemented media in wheat anther culture. / Zamani, I.; Kovács, G.; Gouli-Vavdinoudi, E.; Roupakias, D. G.; Barnabás, B.

In: Plant Breeding, Vol. 119, No. 6, 2000, p. 461-465.

Research output: Contribution to journalArticle

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