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Chocolate Spot in French Beans
How to identify and treat chocolate spot in French Beans.
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French Beans care requirements
water
Regularly once pods are forming. Avoid overhead watering.
soil
Well-draining, fertile soil.
light
Full sun.
symptoms
Symptoms to look for in French Beans
- fiber_manual_recordSmall reddish-brown spots on leaves, stems, and pods (typically broad beans/fava beans)
- fiber_manual_recordSpots merging into larger dark blotches in severe cases
- fiber_manual_recordBlackened, collapsed stems and defoliation under humid conditions
help
Common causes in French Beans
Caused by Botrytis fabae, favored by cool, damp, still weather and overcrowded, nitrogen-deficient plants with poor air circulation.
healing
How to treat chocolate spot in French Beans
Remove severely affected plants, improve airflow by thinning, and apply a fungicide labeled for Botrytis if the disease appears early in the season.
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Preventing chocolate spot in French Beans
Space plants well, avoid excess nitrogen, stake or support crops to improve airflow, and rotate legume plantings each year.