Common blight
Common Name
Common blight
Scientific Name
Xanthomonas axonopodis
Issue
Bacterial
Causes
Development of disease is favoured by warm-humid weather, with or without rain and tempratures of 28-32?c
Prevention
Intercropping beans with maize. Use of certified disease-free seed. Use of plant resistant varieties. Plough under ean debris after harvest. Practice 2-3 year crop rotation without legumes. Do not work in bean fields when plants are wet.
Control
Spot application of copper hydroxide