Abstract
Fusarium cæruleum (Lib.) Sacc., unlike many other Fusaria, is comparatively stable under normal conditions, and mutations in culture are uncommon. During an investigation of the effect of tetrachlornitrobenzene on the growth-rate of the fungus in culture, however, a number of mutant forms made their appearance. Cultures on potato dextrose agar were exposed continuously to tetrachlornitrobenzene vapour by depositing 0.01 gm. of the pure chemical on the inside of the Petri dish lids. In a typical experiment, thirteen plates were each seeded with a single spore; twenty-eight mutant sectors (at least one in each plate) developed in ten treated plates, while none was found in three untreated control plates.
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Dickinson, S., Minn. Agric. Exp. Sta. Tech. Bull., 88 (1932).
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McKEE, R. Mutations appearing in Fusarium cæruleum Cultures treated with Tetrachlornitrobenzene. Nature 167, 611 (1951). https://doi.org/10.1038/167611a0
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DOI: https://doi.org/10.1038/167611a0
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