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Rôle de rhizoctonia solari Kühn dans la manifestation de certains symptômes de verse parasitaire du mais

Abstract : In Western France (Vendee area), maize root rot and lodging occur very frequently. Lodging appears especially on plants with severe root rot after high winds or heavy rains. The fungi which have been isolated have mostly been Fusarium oxysporum and F. roseum (less frequently). Rhizoctonia solani was found very exceptionally until the technique of isolation was modified. Inoculation of maize with F. oxysporum neither affected plant growth nor induced root rot, but it was very easy to induce the field symptoms observed in Vendee by inoculation with R. solani. Various techniques have been improved and the pathogenicity of R. solani to maize has been shown. Isolates of this fungus belong to anastomosis group 2 (A.G. 2)
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  • HAL Id : hal-02718833, version 1
  • PRODINRA : 78034

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B. Perraton, Philippe Lucas. Rôle de rhizoctonia solari Kühn dans la manifestation de certains symptômes de verse parasitaire du mais. Agronomie, EDP Sciences, 1983, 3 (8), pp.791-796. ⟨hal-02718833⟩

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