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Accueil | Français » Publications » Articles scientifiques » Response of Sorghum Lines and Hybrids from the United States to Long Smut (...)

Response of Sorghum Lines and Hybrids from the United States to Long Smut and Grain Mold

Louis K. Prom USDA-ARS, Crop Germplasm Research Unit, 2881 F & B Road, College Station, Texas 77845
Ndiaga Cissé* Centre National de la Recherches Agronomique, BP 53, Bambey, Senegal, West Africa
Ramasamy Perumal Western Kansas Agricultural Research Center, Kansas State University, Hays, Kansas 67601
Hugo Cuevas USDA-ARS, Tropical Agriculture Research Station, 2200 Pedro Albizu Campos Avenue, Mayaguez, PR 00680

Abstract

Long smut and grain mold are fungal diseases that impact sorghum yield and quality. Long smut infection is most severe in the drier regions of Africa and Asia ; whereas, grain mold is the most important disease of sorghum worldwide. In this study, 30 sorghum lines/hybrids were evaluate at the Agronomic Research Stations in Nioro, Senegal, West Africa. Seven lines/hybrids exhibited less than 10% long smut incidence, including AgriPro 2838, and AP 920 that were free of the disease, while NECS 2 had the lowest grain mold severity. The two hybrids AgriPro 2838 and AP 920 may possess genes for long smut resistance and could be utilized in breeding programs for long smut resistance.

Keywords : Sorghum bicolor ; Sporisorium ehrenbergii ; long smut ; Grain mold ; Grain molding fungi.