Rust of Beans

Uromyces viciae

Uromyces appendiculatus

Description:

A fungal disease that starts on leaves as pale yellow spots about 1.5 mm diameter. Opposite these spots on the underside of the leaf, small raised reddish brown blisters appear within 2-3 days and release powdery spores. In severe infections the leaf may yellow and fall. On pods, slimy blisters may appear but they don't usually burst and release spores.

Species Affected:

Beans

Biology:

Favoured by temperate, damp weather or heavy dews.

Spread by wind blown spores.

Life Cycle:

Origin and History:

Distribution:

Significance:

Management and Control:

Plant resistant varieties.

Remove and destroy infected plants.

Apply fungicides.

Related and Similar Species:

References:

1205

Acknowledgments:

Collated by HerbiGuide. Phone 08 98444064 for more information.