Foliar Chemical Protection Against in Onion Is Negated by Thrips Feeding.

Center rot of onion, caused by , is an economically important disease in onion production in Georgia and elsewhere in the United States. Growers rely on frequent foliar applications of bactericides and, in some cases, plant defense inducers to manage this disease. However, regular prophylactic application of these chemicals is not cost-effective and may not be environmentally friendly.