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Publications (1)2.61 Total impact

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    ABSTRACT: The gynogenic response of a range of onion genotypes to flower bud culture was compared using a two-step culture system. Embryogenic cultures and plantlets were produced from unpollinated ovules in whole flower bud explants 6 to 19 weeks after culture initiation. Preconditioning stock plants significantly influenced gynogenic embryogenesis. A ten-fold increase in embryogenesis was obtained when flower buds were cultured from stock plants maintained at 15 °C compared to 10 °C or the ambient temperature conditions of a glasshouse (maximum-minimum of 25–12.7 °C). A total of 49 embryos was obtained from 2660 cultured flower buds and 45% of plantlets were successfully acclimatised to glasshouse conditions. The majority of acclimatised plantlets were haploid (68%) but spontaneous double haploid plants (23%) were obtained from three genotypes.
    Plant Cell Tissue and Organ Culture 01/1999; 57(2):145-148. · 2.61 Impact Factor

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12 Citations
2.61 Total Impact Points

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