Evaluation location: Texas, United States
Response of photoperiod insensitive sorghum accessions to Sorghum Downy Mildew (SDM). Evaluation was conducted at the Fucik Farm near New Taiton, Texas in Wharton County in 2003. The soilborne oospores of the causal pathogen Peronosclerospora sorghi were predominantly a variant of pathotype 3 (P3) that is resistant to the acylalanine seed treatment fungicides metalaxyl and mefenoxam.