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Horticultural crops :: Vegetables:: Beans

Watery Soft Rot: Sclerotinia sclerotiorum

Symptoms

 

  • Small, soft, watery spots that are caused by the fungus Sclerotinia sclerotiorum occur on the stems, leaves and pods of beans.
  • These spots enlarge rapidly under cool, moist conditions, and run together, girdling the stem.
  • Infected pods turn into a soft, watery mass, before dying out and turning brown. Soon infected areas are covered by a white fungal growth.

Management

  • Improve air circulation between plants and rows. Too much fertilizer favors heavy vine growth, creating areas for the disease to develop.
  • There are no recommended chemical controls for the home garden.

 



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