Abstract
ALTHOUGH water is commonly used as the suspending medium for the plant juice in successful mechanical inoculations with viruses, recent results indicate that the water per se actually interferes with infection. Most of the evidence to be presented is derived from inoculations of tobacco mosaic virus on bean (Phaseolus vulgaris); but corroborative evidence on most aspects of the work has resulted from inoculations with tobacco necrosis virus on bean, and spotted wilt virus on tobacco (Nicotiana tabacum). In recording results, the numbers of infections given are local lesions on comparable areas of control and treated leaves. All types of trials were repeated three or more times. All inoculations were with the aid of carborundum powder. A 0.1 per cent suspension of ground leaf tissue in water was usually the inoculum.
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Howles, R., Cheshunt Exp. Res. Sta. Report, 1948, 22 (1949).
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YARWOOD, C. Deleterious Action of Water in Plant Virus Inoculations. Nature 169, 502 (1952). https://doi.org/10.1038/169502a0
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DOI: https://doi.org/10.1038/169502a0
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