Laboratory and field evaluation of fungicides for the management of sugarcane smut caused by Sporisorium scitamineum in seedcane

Sugarcane smut caused by Sporisorium scitamineum is one of the most devastating diseases of sugarcane. Two trialzole fungicides, propiconazole and triadimefon, have been used to protect seedcane from infection with sugarcane smut elsewhere, particularly after hot water treatment. These fungicides we...

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Bibliographic Details
Published in:Australasian plant pathology 2012-11, Vol.41 (6), p.591-599
Main Authors: Bhuiyan, Shamsul A., Croft, Barry J., James, Rebecca S., Cox, Mike C.
Format: Article
Language:English
Subjects:
Agriculture
Biomedical and Life Sciences
Ecology
Entomology
Life Sciences
Plant Pathology
Plant Sciences
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Summary:Sugarcane smut caused by Sporisorium scitamineum is one of the most devastating diseases of sugarcane. Two trialzole fungicides, propiconazole and triadimefon, have been used to protect seedcane from infection with sugarcane smut elsewhere, particularly after hot water treatment. These fungicides were registered under an emergency permit in Australia when smut was found for the first time in Queensland in 2006. A research program was initiated to screen and evaluate a range of fungicides against sugarcane smut. Nine fungicides were tested in vitro at various concentrations for their efficacy on smut spore germination. Azoxystrobin (Amistar®), quintozene (Quintozene® 750) and didecyl dimethyl ammonium chloride (Steri-max®) completely stopped germination of teliospores at 2.5 mg a.i./L. Propiconazole (Tilt®), triadimefon (Bayleton®), cyproconazole (Alto®) and acibenzolar-s-methyl (Bion®) significantly ( P 
ISSN:0815-3191
1448-6032
DOI:10.1007/s13313-012-0139-1