First Report of Sugar Beet Seedling Rust Caused by <i>Puccinia subnitens</i> in Nebraska

Fig. 1. (A) Circular, light-yellow pycnial lesions on the upper surface of a sugar beet cotyledon; (B) yellowish-orange aecial pustules arranged in rings on the lower cotyledon surface.



Image from Plant Health Progress article:
First Report of Sugar Beet Seedling Rust Caused by Puccinia subnitens in Nebraska