Severely infected leaves turn yellow, wilt, dry up and die.
Rust (beets) [Uromyces beticola]
Rust (beets) - image 1
On land with an abundant supply of nitrogen, higher relative humidity; temperatures between 10 - 20 °C.
Pattern of damage
Rust-colored pustules (1 mm) on the upper surfaces of the middle and outside leaves, (Picture 1) eventually an extensive rust-colored coating.