Tob. Sci., 1974, 18-49, p. 130-132, ISSN.0082-4523
Tobacco mosaic virus concentration, total nitrogen and altered enzyme activities of field-grown tobacco cultivars differing in mosaic symptoms severity
Oxford Tobacco Research Laboratory, Southern Region, Agricultural Research Service, U. S. Department of Agriculture, Oxford, North Carolina USA; North Carolina State University, Raleigh, North Carolina USA
Tobacco cultivars which develop systemic infections when inoculated with tobacco mosaic virus (TMV) were selected to represent symptomless, mild, moderate and severe mosaic symptom categories. Young, field-grown plants of each cultivar were...