A website from UGA Cooperative Extension
A Vidalia onion cut open on the grading line to reveal internal decay caused by bacteria.

Bacterial diseases cause more economic losses in Vidalia Onions than any other pest. Managing them takes a systems-wide approach involving fertility, variety selection, maturity, weed control, insect control, bactericides, and post harvest management. Take a look at our newest publication below to find out the latest information on managing these diseases.