Rust

Causal Organism: Uromyces pisi and U. fabae

• The disease is serious in northern India.
• It is serious on the late sown crop.
• All the green parts of the plants are affected.
• Under cool and wet climate in northern India entire plant may be killed.

Symptoms:

• The earliest symptoms are the yellow spots having aecia in round or elongated clusters.
• Pustules develop which are powdery and orange brown in appearance.

Control:

• Follow 1-2 years of crop rotation avoiding beans
• After harvest, the affected plant trash should be burnt.
• Spray the crop with Dithane M-45 at the rate of 2 kg per hectare in 1000 liters of water. Two to three sprays at 10 days interval are sufficient.