Abstract
HITHERTO, in Puccinia graminis Pers., the uredial and telial stages have regularly occurred on the gramineous hosts, and the pycnial (spermagonial) and æcial stages on the common barberry (Berberis vulgaris L.) or on closely-related hosts: no deviation from this host relationship has ever been reported. In the course of greenhouse studies, in which barberry plants were infected with pure cultures of physiological races of P. graminis Tritici Erkss. and Henn., we have recently observed that two cultures show a distinct tendency to produce uredia and telia on the barberry.
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NEWTON, M., JOHNSON, T. Production of Uredia and Telia of Puccinia graminis on Berberis vulgaris. Nature 139, 800–801 (1937). https://doi.org/10.1038/139800a0
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DOI: https://doi.org/10.1038/139800a0
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