In vitro screening and evaluation of fungicides for the control of Claviceps africana on sorghum seed

Eleven fungicides, benomyl, bitertanol, captan, carbendazim, mancozeb, procymidone, propiconazole, tebuconazole, thiram, triadimenol and tridemorph, were tested in vitro at 50 and 10 mg a.i./L for their effects on the macroconidial germination of Claviceps africana, the sorghum ergot pathogen. Thira...

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Bibliographic Details
Published in:Australasian plant pathology 2000-01, Vol.29 (3), p.178-183
Main Authors: Bhuiyan, S.A., Galea, V.J., Ryley, M.J., Tay, D.
Format: Article
Language:English
Subjects:
Claviceps africana
Sorghum
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Summary:Eleven fungicides, benomyl, bitertanol, captan, carbendazim, mancozeb, procymidone, propiconazole, tebuconazole, thiram, triadimenol and tridemorph, were tested in vitro at 50 and 10 mg a.i./L for their effects on the macroconidial germination of Claviceps africana, the sorghum ergot pathogen. Thiram and captan completely inhibited conidial germination of the two isolates (UQE1 and UQE2) tested. Nine of the best fungicides from this test were selected for assessment as seed treatments using sorghum seed which had been artificially coated with ergot honeydew containing macroconidia of the isolates UQEl or UQE9. Captan and thiram at 0.5, 1 and 2 g a.i./kg seed completely inhibited macroconidium germination of one isolate and reduced germination of the other to
ISSN:0815-3191
1448-6032
DOI:10.1071/AP00031