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Sphacelotheca destruens (head smut of millet )
Sphacelotheca destruens
head smut of millet
Anthracocystis destruens, Caeoma destruens, Sporisorium destruens, Tilletia destruens, Uredo destruens, Ustilago destruens, Sphacelotheca lioui, Sorosporium manchuricum, Sphacelotheca panici-miliacei var. manchurica, Sphacelotheca manchurica, Uredo segetum d panici-millacei, Ustilago panici-miliacei, Sphacelotheca panici-miliacei, Sorosporium panici-miliacei, Sphacelotheca panici-miliacei var. panici-miliacei
Worldwide
NE, KS, FL, CA, CO, MN, WA, WI, WY, ND
2025-11-07
fungus
Korea
Panicum grasses and millet
SPHTDE
Sphacelotheca destruens is a smut fungus that produces dark, powdery spore masses inside affected plant parts. The fungus survives in the soil or on seeds and can infect new plants as they grow. It spreads mainly through contaminated seed or soil.
Crops
Panicum spp.
proso millet
Yes
SPHTDE-2, SPHTDE-3, SPHTDE-4, SPHTDE-5, SPHTDE-6, SPHTDE-7
Panicum seed is a confirmed pathway. Sphacelotheca destruens infects millet by growing inside the developing floral tissues and replacing the grains with dark, powdery smut spores.
biological, chemical
Resistant varieties are common. Seed treatments have shown to be effective.
SPHTDE-2, SPHTDE-3
2025-11-07 17:24:57
SPHTDE-2
Berglund DR. 2007. Proso Millet in North Dakota. North Dakota State University Agriculture and University Extension Fargo, ND
SPHTDE-3
Nelson LA and Kerr ED. 1984. Response of Proso Millet to Fungicide Seed Treatments1. Agron. J.76:723‐726.
SPHTDE-4
Richardson MJ, 1990. An Annotated List of Seed-borne Disease. International Seed Testing Association, Zurich, Switzerland
SPHTDE-5
Ainsworth GC. 1965. Sphacelotheca destruens. IMI Descriptions of Fungi and Bacteria. CABI, Wallingford, UK.
SPHTDE-6
Jin, F., Liu, J., Wu, E., Yang, P., Gao, J., Gao, X., & Feng, B. (2021). Leaf Transcriptome Analysis of Broomcorn Millet Uncovers Key Genes and Pathways in Response to Sporisorium destruens. International Journal of Molecular Sciences, 22(17), 9542.
SPHTDE-7
Wu, E., Liu, L., Zhu, M., Wu, H., Yang, Q., Li, J., ... & Feng, B. (2022). The life cycle and ultrastructure of the host response of the smut pathogen Anthracocystis destruens on broomcorn millet. Phytopathology, 112(5), 996-1002.
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