Abstract
Plants injected with low concentrations of colchicine at very early stages of premeiotic development showed aneuploidy and slightly reduced chiasmate association at pollen mother cell (PMC) meiosis. With higher concentrations several tetraploid PMCs, reduced pairing, and both univalents and multivalents in diploid cells were found. The results suggest that meiotic chromosome pairing can be affected by colchicine treatment several mitotic cell generations before meiosis.
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Puertas, M.J., de la Peña, A., Estades, B. et al. Early sensitivity to colchicine in developing anthers of rye. Chromosoma 89, 121–126 (1984). https://doi.org/10.1007/BF00292895
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DOI: https://doi.org/10.1007/BF00292895