Abstract
THE discovery1 that, in a heterothallic rust like Puccinia graminis Pers., or P. helianthi Schw., the transfer of pycniospore-containing nectar from a monosporidial (haploid) pustule of one sex to a similar pustule of the opposite sex induces the development of æcia in the pustule receiving the nectar has stimulated interest in the process by which the diploidisation is effected.
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References
Craigie, J. H., NATURE, 120, 765, Nov. 26, 1927.
Andrus, C. Frederic, J. Aqr. Res., 42, 559–587; 1931.
Allen, Ruth F., J. Agr. Res., 44, 733–754; 1932.
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CRAIGIE, J. Union of Pycniospores and Haploid Hyphæ in Puccinia Helianthi Schw. Nature 131, 25 (1933). https://doi.org/10.1038/131025a0
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DOI: https://doi.org/10.1038/131025a0
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