Erwinia herbicola

Browning of palea begins with water-soaked lesions that later turn dark brown. Infected grains becom

Early stage of disease with browning of palea.

Cross section of fruit exhibiting purplish discoloration in latex ducts.

Another view of purple discoloration at peduncle end. Bacteria are found in vascular tissues and lat

Purple pigmentation of internal tissues.

Purple pigmentation of internal tissues near peduncle end of fruits. Pigmentation and yellow translu