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Verticillium wilt of alfalfa, background and current research


, : Verticillium wilt of alfalfa, background and current research. Canadian Journal of Plant Pathology 7(2): 191-198

A number of isolates of the lucerne str. of V. albo-atrum are distinguishable by slightly higher temp. optima than isolates from other hosts; this might allow the lucerne pathogen to extend its geographical range in N. America. No major differences in virulence separate N. American and European lucerne isolates; the outbreak in N. America dating from 1976 is assumed to have occurred as a result of seed carriage of the pathogen from Europe.

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Accession: 001507343

DOI: 10.1080/07060668509501502

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Related references

Gilbert R.G., 1986: Verticillium wilt of alfalfa infection process of verticillium albo atrum in alfalfa seed. Phytopathology 76(10): 1108

Ghalandar, M.; Clewes, E.; Barbara, D.J.; Zare, R.; Heydari, A., 2004: Verticillium wilt (Verticillium albo-atrum) on Medicago sativa (alfalfa) in Iran. An outbreak of a wilt-like disease of lucerne in the Markazi Province of Iran was investigated. Field symptoms during early growth stages typically consisted of V-shaped orange-pinkish necrotic areas on the leaflets. On severely affected shoots of...

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Shang HongSheng; Yang JiaRong; Zhao XiaoMing, 1998: A comparative study on the pathogen of Verticillium wilt of alfalfa and other Verticillium species. The morphology, physiology and esterase isoenzymes of V. albo-atrum (the pathogen of Verticillium wilt of lucerne) were compared with V. dahliae, V. nigrescens, V. nubilum and V. tricorpus. The results showed that morphological characteristics and...

Gagne, S.R.chard, C., 1982: Verticillium wilt of alfalfa in North America Verticillium albo-atrum.1. Canadian journal of plant pathology = Revue Canadienne de phytopathologie 4(1): 47-53

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Aubé, C., 1967: Antagonism of soil fungi to Verticillium albo-atrum R. and B., agent of verticillium wilt of alfalfa. Canadian Journal of Microbiology 13(2): 227-233

Jimenez-Diaz, R.M.; Millar, R.L., 1987: Factors affecting sporulation of verticillium albo atrum on alfalfa tissues affected by verticillium wilt. Several authors have suggested that dispersal of Verticillium albo-atrum in the air above the crop canopy plays an important role in the epidemiology of Verticillium wilt of alfalfa. We have investigated whether the pathogen sporulates on alfalfa...

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