Frequently Asked QuestionsHosting Director2026-01-12T15:33:24+00:00 Grower Questions for Alliumnet and Extension ResourcesOnion Bacterial Diseases What does onion rot look like? Do bactericides work? Does neck length at harvest affect bacterial bulb rot? Does the timing of topping and the length of topping the necks of onion bulbs affect bacterial bulb rot? Does irrigation affect onion bacterial bulb rot? Do nitrogen application rates affect bacterial bulb rot?
