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Virus diseases in Pelargonium hortorum specially concerning tomato ringspot virus

, : Virus diseases in Pelargonium hortorum specially concerning tomato ringspot virus. Acta Horticulturae (59): 119-130

Cucumber mosaic, Pelargonium flower-break, Pelargonium leaf curl and Pelargonium yellow-net vein viruses have no practical importance in Denmark. Chlorotic or yellow ringspots on the older leaves, however, are quite common with c. 60% of varieties showing symptoms. The cause of the ringspots is not fully known but tomato ringspot virus is one of the agents as demonstrated in the var. Amanda. Symptoms on Pelargonium are most pronounced in spring and autumn.

Accession: 000573731

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Related references

Paludan N.; Begtrup J., 1987: Pelargonium hortorum pelargonium flower break virus and tomato ringspot virus infection trials symptomatology and diagnosis. Many viruses have been found and described in Pelargonium .times. hortorum, causing either constant or seasonal leaf and flower symptoms in sensitive cultivars. These viruses are spread to the next generation as the plants are vegetatively propaga...

Scarborough, B.A.; Smith, S.H., 1977: Effects of tobacco ringspot virus and tomato ringspot virus on the reproductive tissues of pelargonium x hortorum. Virus infection reduced the number of florets and increased the number of aborted buds per inflorescence. Florets of geraniums infected with tomato ringspot virus contained more aborted anthers and a greater percentage of nonviable pollen grains t...

Ryden K., 1972: Pelargonium hortorum d ringspot a virus disease caused by tomato ringspot virus in sweden. Phytopathologische Zeitschrift: 178-182

Murdock, D.J.; Nelson, P.E.; Smith, S.H., 1976: Histo pathological examination of pelargonium x hortorum infected with tomato ringspot virus. An anatomical study was carried out on tomato ringspot virus (TomRSV)-infected Pelargonium .times. hortorum 'Nittany Lion Red' to determine the relationship between macroscopic and microscopic symptoms and to determine the relationship b...

Christensen, O.V.; Paludan, N., 1978: Growth and flowering of pelargonium hortorum sexual hybrid cultivar amanda infected with tomato ringspot virus. Growth and flowering of virus-free plants of Pelargonium .times. hortorum 'Amanda' were compared with plants infected with mild and severe strains of tomato ringspot virus (Tom RSV). During an 11-mo. period the total number of cuttings w...

Paludan, N.; Begtrup, J., 1987: Pelargonium Xhortorum. Pelargonium flower break virus and tomato ringspot virus: infection trials, symptomatology and diagnosis. PFBV was detected by ISEM throughout the year in Pelargonium cultivars exhibiting virus symptoms; TRSV occurred in lower concn and with seasonal variations. Pelargonium line pattern and Pelargonium ring pattern viruses were also found causing late...

Ryden, Kerstin., 1972: Pelargonium ringspot-a virus disease caused by Tomato ringspot virus in Sweden. The virus isolated from Pelargonium hortorum var. Amanda was identified by host reaction and serological tests . This is the first report of tomato ringspot virus from Sweden.

Newhart, S.R.; Romaine, C.P.; Craig, R., 1982: Enzyme-linked immunosorbent assay for the detection of tobacco ringspot virus in Pelargonium X hortorum. Crude leaf extracts could be used in ELISA for rapid indexing provided the inhibitory effect of leaf substances was minimized. Opt. detection (50 ng/ml) was obtained by extracting leaves in a 20-fold excess (w/v) of either 0.02M phosphate buffer,...

Newhart S.R.; Romaine C.P.; Craig R., 1982: Enzyme linked immuno sorbent assay for the detection of tobacco ringspot virus in pelargonium hortorum. Several factors which influence the detection of tobacco ringspot virus (TRSV), by the enzyme linked immunosorbent assay (ELISA) in leaf extracts of geranium (P. .times. hortorum Bailey), were examined. Crude leaf extracts could be used in ELISA t...

Taylor R.W.; Hsu H.T., 1977: Evaluation of 3 serological test procedures for quantitative measurement of carnation ringspot virus tomato ringspot virus tobacco ringspot virus and their homologous anti sera. Proceedings of the American Phytopathological Society (4): 132