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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

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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...

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