Michigan State University Extension
Michigan Soybean Information - 00000012
11/16/00
Bacterial Blight (Pseudomonas syringae pv. glycinea)
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The disease is common during cool, wet weather and is
most conspicuous about midseason. Angular, yellow to
light brown lesions or spots on leaves enlarge to produce
irregular dead tissue with yellow halos (Vis. 1). These
areas, which drop out, give a ragged appearance,
especially after strong winds and beating rains. Early
defoliation of lower leaves may occur. The pathogen
survives in crop debris and seeds.
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This file was generated from data base S1 on 11/16/00.
Data base S1 was last revised on 11/16/00.
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