Cercospora leaf spot
Cercospora leaf spot.
This image appears in the following article:
Cercospora leaf spot
[1]
Source URL:
http://www.ipm.iastate.edu/ipm/icm//ipm/icm/node/222
Links:
[1] http://www.ipm.iastate.edu/ipm/icm/2005/10-10/tillage.html
