TULIP FIRE

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Abstract
SUMMARY: The salient points that deal with the disease of tulip fire are discussed, its names, the various forms of the disease such as fire, spot and a rot of the bulb, the symptoms of these, the distribution of tulip fire, its economic importance, its host specialisation and the relative susceptibility of varieties to it.The life history of the organism causing it, Botrytis Tulipae (Lib.) Lind is given, and the formation, germination, viability, and development of conidia and sclerotia in natural and artificial media are discussed. Infection studies in the laboratory and field with conidia and sclerotia are described, and the meteorological factors that favour artificial or natural epidemics.Observations and experiments dealing with control measures are given.Concluding this study the writers wish to acknowledge with sincere thanks the assistance given by growers and those otherwise interested in the cultivation of this crop, particularly to those that have given land, material, and the benefit of their experience.A. Beaumont thanks Messrs Tomlin Bros., Penzance, for supplying bulbs for experiments and much information on spraying and dusting.W. A. R. Dillon Weston thanks Mr H. Goude, the Horticultural Superintendent for Norfolk; Mr E. Cave, of Terrington St Clement,Norfolk, for land, material and his valuable observations and co‐operation; Mr W. Leake, of Messrs R. H. Bath, Ltd., Wisbech, for information on the susceptibility of varieties, and Mr J. R. Booer, of Messrs F. W. Berk and Co., Ltd., for the preparation of chemicals for work on bulb disinfection.E. R. Wallace thanks his colleagues at the Agricultural Institute, Kirton, and many growers in the Spalding district.
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