Abstract
Plants of four species obtained from various sources were raised and compared for their suitability as test plants for a number of viruses. The species comprisedChenopodium amaranticolor (local lesion host of red clover mottle virus),Nicotiana glutinosa (local lesion host of tobacco mosaic virus (TMV)),N. rustica (systemic host of TMV, cucumber mosaic virus and tomato spotted wilt virus) andN. tabacum ‘White Burley’ (systemic host of TMV).
Some sources proved to be more attractive as test plants or experimental hosts because of, e.g., production of more local lesions per unit of leaf area (C. amaranticolor andN. glutinosa), distinctness of lesions (C. amaranticolor), development of more pronounced systemic symptoms (N. rustica andN. tabacum ‘White Burley’), better growth characteristics (particularlyC. amaranticolor andN. rustica), smoother leaves being easier to rub (N. glutinosa) or more and bigger leaf formation (particularlyN. rustica).
The implications for the interpretation of host range studies and the quest for propagation and assays hosts are discussed.
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Van Der Want, J.P.H., Boerjan, M.L. & Peters, D. Variability of some plant species from different origins and their suitability for virus work. Netherlands Journal of Plant Pathology 81, 205–216 (1975). https://doi.org/10.1007/BF01976471
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DOI: https://doi.org/10.1007/BF01976471