NDLI: Biomass Reducing Potential and Prospective Fungicide Control of a New Leaf Blight of Miscanthus × giganteus Caused by Leptosphaerulina chartarum

Content Provider	Springer Nature Link
Author	Ahonsi, Monday O. Ames, Keith A. Gray, Michael E. Bradley, Carl A.
Copyright Year	2013
Abstract	During a multistate survey (2009) of diseases of perennial grasses under consideration as biofuel feedstocks, a new leaf blight of Miscanthus × giganteus caused by Leptosphaerulina chartarum was observed on 100 % of the plants evaluated in research plots near Lexington, Kentucky. A greenhouse study was conducted to evaluate the effect of L. chartarum on M. × giganteus biomass and to identify effective foliar fungicides against the disease. Eleven broad-spectrum fungicides were tested with rates typically used in agronomic crops. Fungicides tested included active ingredients from five different chemical groups, demethylation inhibitors (prothioconazole, tebuconazole, cyproconazole, propiconazole, tetraconazole, flutriafol, and metconazole), quinone outside inhibitors (pyraclostrobin), succinate dehydrogenase inhibitors (boscalid), methyl benzimidazole carbamates (thiophanate-methyl), and chloronitriles (chlorothalonil). Infection by L. chartarum significantly lowered aboveground biomass by an average of 33 %. Application of cyproconazole, flutriafol, tebuconazole, or prothioconazole significantly reduced disease severity, with cyproconazole and flutriafol ranking best at an average of 29 % disease control. However, no fungicide treatment resulted in biomass loss abatement. Greater rates or a combination of fungicides might be needed to achieve adequate control.
Starting Page	737
Ending Page	745
Page Count	9
File Format	PDF
ISSN	19391234
Journal	BioEnergy Research
Volume Number	6
Issue Number	2
e-ISSN	19391242
Language	English
Publisher	Springer-Verlag
Publisher Date	2013-01-11
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Bioenergy Disease Feedstock Fungicide Pithomyces chartarum Miscanthus Plant Sciences Plant Genetics & Genomics Plant Breeding/Biotechnology Plant Ecology Wood Science & Technology
Content Type	Text
Resource Type	Article
Subject	Renewable Energy, Sustainability and the Environment Agronomy and Crop Science

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Biomass Reducing Potential and Prospective Fungicide Control of a New Leaf Blight of Miscanthus × giganteus Caused by Leptosphaerulina chartarum

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Biomass Reducing Potential and Prospective Fungicide Control of a New Leaf Blight of Miscanthus × giganteus Caused by Leptosphaerulina chartarum

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