Abstract
ALTHOUGH the occurrence of asci containing 6 : 2, 5 : 3 and 7 : 1, rather than 4 : 4 spore ratios, is now widely recognized in Ascomycetes, little is known about environmental effects on their frequency. In these experiments the effects of temperature and camphor vapour were analysed. The latter substance was chosen because it is known to increase the frequency of diploidization in vegetative hyphae1, and it would therefore be expected to increase the frequency of aberrant tetrads if the latter are related to mitotic recombination2.
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WHITTINGTON, W., PENN, C. Effect of Camphor Vapour and Temperature on the Frequency of Aberrant Asci in Sordaria. Nature 214, 605–606 (1967). https://doi.org/10.1038/214605a0
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DOI: https://doi.org/10.1038/214605a0
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