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Prevalence and pathogenicity of foot and root rot pathogens of pea in southern Scandinavia

Persson, L. (Swedish University of Agricultural Sciences, Uppsala, Sweden.) ; Bodker, L ; Larsson-Wikstrom, M

Plant disease, 1997-02, Vol.81 (2), p.171-174 [Periódico revisado por pares]

St. Paul, MN: American Phytopathological Society

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Título:
Prevalence and pathogenicity of foot and root rot pathogens of pea in southern Scandinavia
Autor: Persson, L. (Swedish University of Agricultural Sciences, Uppsala, Sweden.) ; Bodker, L ; Larsson-Wikstrom, M
Assuntos: AGENT PATHOGENE ; Aphanomyces euteiches ; Biological and medical sciences ; Chalara elegans ; DANEMARK ; DINAMARCA ; ENCUESTAS SANITARIAS ; ENFERMEDADES FUNGOSAS ; ENQUETE PATHOLOGIQUE ; ETIOLOGIA ; ETIOLOGIE ; Fundamental and applied biological sciences. Psychology ; Fungal plant pathogens ; Fusarium avenaceum ; Fusarium culmorum ; Fusarium oxysporum ; Fusarium solani ; IDENTIFICACION ; IDENTIFICATION ; MALADIE FONGIQUE ; Mycosphaerella pinodes ; ORGANISMOS PATOGENOS ; Pathology, epidemiology, host-fungus relationships. Damages, economic importance ; PEDERO ; Phytopathology. Animal pests. Plant and forest protection ; PISUM SATIVUM ; PODODERMATITE INTERDIGITEE ; PODREDUMBRE DE LA RAIZ ; POURRITURE DES RACINES ; Pythium irregulare ; RENDEMENT DES CULTURES ; RENDIMIENTO DE CULTIVOS ; RESISTANCE AUX MALADIES ; RESISTENCIA A LA ENFERMEDAD ; SUECIA ; SUEDE
É parte de: Plant disease, 1997-02, Vol.81 (2), p.171-174
Notas: 9731816
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Descrição: The occurrence of root pathogens of vining pea was determined in field surveys in Sweden and Denmark from 1989 to 1994. The most serious yield-reducing root pathogen, Aphanomyces euteiches, was found in approximately one-third of the sampled fields in both Sweden and Denmark. In a few fields severely infested with this pathogen, there was a total crop failure. The most frequently isolated pathogens were Phoma medicaginis var. pinodella and Fusarium solani; the latter also was isolated from vascular tissue up to the seventh node level. Other pathogens isolated from roots were F. avenaceum, F. oxysporum, F. culmorum, Chalara elegans, Pythium irregulare, and Mycosphaerella pinodes. In greenhouse pathogenicity tests, A. euteiches caused the most severe root damage and plant death of pea, followed by F. avenaceum and P. irregulare. There was an inverse relationship between field disease severity index and yield for fields infested with A. euteiches
Editor: St. Paul, MN: American Phytopathological Society
Idioma: Inglês

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Prevalence and pathogenicity of foot and root rot pathogens of pea in southern Scandinavia

Persson, L. (Swedish University of Agricultural Sciences, Uppsala, Sweden.) ; Bodker, L ; Larsson-Wikstrom, M

St. Paul, MN: American Phytopathological Society

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