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- Title
Water-Relations and Sporulation of Peronospora tabacina Adam.
- Authors
CRUICKSHANK, I. A. M.; MUELLER, K. O.
- Abstract
ALTHOUGH it is generally recognized that high humidities favour sporulation of downy mildews, the review of Yarwood1 indicates the paucity of quantitative data on this aspect of their development. Armstrong and Sumner2 reported that, under field conditions, normal sporulation of Peronospora tabacina was limited to the range of humidity from atmospheric saturation to slightly below dew point. Laboratory experiments have been carried out at Canberra to study quantitatively the sporulation of P. tabacina as a function of the water relations of its host (Nicotiana tabacum L. var. Turkish Sampson) under controlled environmental conditions.
- Publication
Nature, 1957, Vol 180, Issue 4575, p44
- ISSN
0028-0836
- Publication type
Article
- DOI
10.1038/180044b0