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Control of ergot sclerotia and fragments in rye and smooth meadow grass seed with Baytan Universal


, : Control of ergot sclerotia and fragments in rye and smooth meadow grass seed with Baytan Universal. Nachrichtenblatt fur den Pflanzenschutz in der DDR 42(1): 18

Since it is very difficult to separate intact and broken sclerotia of Claviceps purpurea from rye and smooth meadow grass seeds after harvest of an infected crop, experimental mixtures of seeds and sclerotia were treated with Baytan Universal (triadimenol + fuberidazole + imazalil). Treatment reduced the germination rate of the sclerotia from 94.5 to 1.9% in rye, but only reduced it from 88.3 to 37.0% in P. pratensis.

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Related references

Frauenstein, K.; Horn, G.; Stolle, M., 1987: Research into the use of fungicides for control of ergot, Claviceps purpurea (Fr.) Tul., in multiplication crops of smooth meadow grass. Of various fungicides tested, thiram gave best control of C. purpurea on the grass [Poa pratensis]. Early spraying with systemic fungicides first reduced ergot development, but sometimes later enhanced it; reasons for this are discussed. Two treat...

Shaw, S., 1986: Evaluation of Baytan for control of ergot contaminants in cereal seed. Pflanzenschutz Nachrichten9(1): 47-70

Shaw, S., 1986: Evaluation of Reg.Baytan for control of ergot contaminants in cereal seed. Formulations of phenylmercury acetate (PMA), Baytan (triadimenol + fuberidazole) and bitertanol + fuberidazole were applied to the surfaces of Claviceps purpurea sclerotia at manufacturers' recommended rates for seed treatment. Following a wi...

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Nordestgaard, A., 1976: Autumn treatment of seed fields with cocksfoot (Dactylis glomerata L.), perennial rye grass (Lolium perenne L.), meadow fescue (Festuca pratensis Huds.) and smooth-stalked meadow grass (Poa pratensis L.). In 1967-75, seed crops of the above grasses were given 62 kg N/ha on (a) 15 Aug., (b) 1 Sept., (c) 15 Sept. or (d) 1 Oct. and the regrowth was not cut or was cut on 15 Sept., 15 Oct. or 15 Nov., resp., in the 1st and 2nd seed-harvest yr. The grass...

Nordestgaard, A.L.rsen, A., 1974: Seed growing experiments in frames with cocksfoot, meadow fescue, and smooth meadow grass. Tidsskrift for planteavl: 8 (1) 116-130

Zoltanska, Ewa, 2006: The effect of soil moisture and temperature on efficacy of seed dressing preparations Biochikol 020 PC and Baytan Universal 19,5 WS in control of Rhizoctonia fungi on wheat. The effect of biopreparation Biochikol 020 PC on linear growth of mycelia of two Rhizoctonia isolates was tested under laboratory conditions along with that of fungicide Baytan Universal 19,5 WS for comparative purposes. Complete retardation of m...

Zgorkiewicz, A., 1987: Chemical control of ergot (Claviceps purpurea Tul.) on meadow grass (Poa pratensis L.). During 1978-81 in plot trials under conditions of artificial inoculation, the best control was provided by Benlate (benomyl) at 1 or 0.5%, followed by Bayleton 25 WP (triadimefon) and Topsin M (thiophanate-methyl), both at 1%. No harmful effects o...

Siplov, V.V., 1967: On the susceptibility of smooth-stalked meadow grass to powdery mildew and frit fly in relation to the variety and sowing date, when grown for seed on the experimental field of the Department of Meadow Culture. Of the three Poa pratensis varieties tested, Mjatlik 1, sown on 15 July, was least infected with Erysiphe graminis. Minimum infection with Oscinella frit was observed in Jogeva 1, sown on 15 June.