SUMMARY OF DISEASE SIGNS ON PLANT

Fungal disease signs:

• Leaf rust (common leaf rust in corn)

• Stem rust (wheat stem rust)

• Sclerotinia (white mold)

• Powdery mildew

Bacterial disease signs (difficult to observe, but can include):

• Bacterial ooze

• Water-soaked lesions

• Bacterial streaming in water from a cut stem

Viral disease signs:

• None – the viruses themselves can’t be seen