Turnips are bunched or topped at the time of harvest. Storage conditions for rutabagas apply to turnips. Disease Control Damping off Buy commercial fungicide-treated seed, if available. Downy mildew Space rows to allow for good aeration and drying. Avoid overhead irrigation late in the day.
Club root Use resistant cultivars.
Avoid excess water the first week following planting. Insect Control See the table below for overview of insecticides used to control radish, turnip, and rutabaga pests. For cutworms, wireworms. For root maggots. For root maggots.