Abstract
DOWNY mildew or blue mould of tobacco caused by Peronospora tabacina Adam. is destructive in the American and Australian regions and has now been reported for the first time in Europe1. It survives in association with over-wintering or over-summering host plants of which infected N. tabacum is of major importance2,3. Such plants produce conidia that are airborne and can establish infection in distant areas2.
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HILL, A. Spore Release in Peronospora tabacina Adam.. Nature 185, 940 (1960). https://doi.org/10.1038/185940a0
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DOI: https://doi.org/10.1038/185940a0
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