Abstract
EARLY blight (Alternaria solani) of the potato has been observed in Great Britain in the field only but very rarely, and its attacks have not been known hitherto to assume epidemic proportions in Great Britain. In the autumn of 1932 several sporadic cases were noted in the experimental plots at Cambridge, whilst somewhat earlier a few of our plants in the glasshouse had been thought to be suffering from the same disease. At that time examination of the lesions had failed to demonstrate the distinctive spores. In 1933, the disease was considerably more common at Cambridge, and in the autumn of that year, Dr. Dillon Weston very kindly examined specimens and recovered from them an Alternaria in pure culture. Sub-cultures were submitted to Prof. Westerdijk of Baarn and to Mr. Wiltshire of the Imperial Mycological Institute, both of whom identified the species as A. solani.
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SALAMAN, R., O'CONNOR, C. A New Potato Epidemic in Great Britain. Nature 134, 932 (1934). https://doi.org/10.1038/134932a0
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DOI: https://doi.org/10.1038/134932a0
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