Identification Symptoms
- Symptoms starts at six week after
sowing..
- Small brown to chestnut dusty
pustules (uredosori) appear on the lower surface of leaves. The epidermis
ruptures and exposes a powdery mass of uredospores.
- Corresponding to the sori, small,
necrotic, brown spots appear on the upper surface of leaves.
- The rust pustules
may be seen on petioles and stem. Late in the season, brown teliosori, as dark