Snap bean > Pod > Spots or blotches on pod
1 of 6
Pseudomonas syringae pv. Phaseolicola
- Pods have small water-soaked spots
- Underside of leaves have small water-soaked spots, eventually developing into reddish-brown lesions
- Leaf lesions may be surrounded by an irregular greenish-yellow halo
- More information on Halo Blight...
2 of 6
- Pods have water-soaked areas that later turn brown
- Leaves develop water soaked spots more easily seen on underside of leaves
- Leaf spots turn brown, sometimes with a yellow halo
- More information on Common Blight...
3 of 6
Bacterial Brown Spot
Pseudomonas syringae pv. Syringae
- Pod may appear twisted or bent
- Leaves develop small water-soaked spots that turn brown with a yellow margin
- Leaf spots may fall out giving leaves a "tattered" appearance
- Sunken brown spots can form on the pods
- More information on Bacterial Brown Spot...
4 of 6
- Pods and stems develop reddish-brown raised pustules
- Leaves develop reddish-brown, raised pustules surrounded by a yellow halo
- Powdery brown spores can be seen when spots are rubbed with a white tissue
- Severe infections cause leaves to brown, dry, and drop from the plant
- More information on Bean Rust...
5 of 6
- Dark brown to black, sunken oval spots on pods
- Seedling stem has black lesions
- Black, sunken streaks or ovals on petioles and stems
- Random dark brown to black lines develop along leaf veins
- More information on Anthracnose...
6 of 6
Bean Common Mosaic Virus, Bean Yellow Mosaic Virus and others
- Pods can be distorted, blotchy with dark and light green, and in severe cases, have bronze blotchy areas
- Plants are stunted
- Leaves are curled, mottled, and may be yellow
- More information on Viruses ...