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Evidence of a crossability barrier in diploid x hexaploid and diploid x octoploid crosses in the genus Fragaria

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Summary

A large number of diploid x hexaploid and diploid x octoploid crosses have been made by numerous workers with poor results. Crosses between synthetic tetraploids and species of higher levels of ploidy were successful. The success of these crosses and the high incidence of pentaploid progeny obtained by other workers from successful diploid x hexaploid crosses indicates that chromosomal or genetic imbalance in the endosperm or between zygote and endosperm is most likely the cause of failure to produce viable plants from 2x x 6x and 2x x 8x crosses.

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Authors and Affiliations

  1. Department of Horticultural Science, Ontario Agricultural College, University of Guelph, Guelph, Ontario, Canada

    W. D. Evans

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  1. W. D. Evans
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Evans, W.D. Evidence of a crossability barrier in diploid x hexaploid and diploid x octoploid crosses in the genus Fragaria . Euphytica 23, 95–100 (1974). https://doi.org/10.1007/BF00032746

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  • DOI: https://doi.org/10.1007/BF00032746

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