Abstract
THE rust fungi cause serious economic losses of wheat and other crops. In nature, these organisms complete their life cycles only on living tissues of their hosts and, until recently1, they have been regarded as obligate parasites due to their failure to grow in axenic culture on non-living substrates. We have now obtained highly reproducible vegetative growth and sporulation of the flax rust fungus, Melampsora lini (Ehrenb.) Lév. (race 3) and vegetative growth of two North American races (15B-4 and 56) of the wheat stem rust fungus, Puccinia graminis f. sp. tritici (Erikss. and Henn.) on chemically defined liquid media, sterilised by millipore filtration and seeded with uncontaminated uredospores. Vegetative growth and some sporulation were also obtained with an Australian isolate of wheat rust, race 126-ANZ 6, 7.
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BOSE, A., SHAW, M. Growth of rust fungi of wheat and flax on chemically-defined media. Nature 251, 646–648 (1974). https://doi.org/10.1038/251646a0
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DOI: https://doi.org/10.1038/251646a0
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