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Cytological studies on a haploid cultivar of pelargonium, and its colchicine-induced diploids

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Abstract

Kleine Liebling is a haploid of unusual interest; not only is it a monoploid, but at the same time a successful horticultural variety. Analysis made of pollen mother cell meiosis revealed a very low frequency of bivalents, and evidence of neocentric activity among the univalents. Colchicine-induced diploid plants were synthesised, but contrary to expectation, microsporogenesis was very erratic, and pairing never complete. As in the haploid from which they were derived, a high proportion of dyads formed the final product of meiosis. It was concluded that both these irregularities were the result of mutations effecting the genetic control of meiosis.

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  1. Jodrell Laboratory, Royal Botanic Gardens, Kew

    M. G. Daker

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  1. M. G. Daker
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Daker, M.G. Cytological studies on a haploid cultivar of pelargonium, and its colchicine-induced diploids. Chromosoma 21, 250–271 (1967). https://doi.org/10.1007/BF00329550

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  • DOI: https://doi.org/10.1007/BF00329550

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