Hi Allan, avoid growing carrots in the same place each year and rotate with another crop that is not a root crop. The rich scent of carrots attracts the attention of a pest called carrot root fly. Improved insecticide application and pest forecasting have reduced drastically the amounts of insecticides applied to vegetable crops to control the cabbage root fly (Delia radicum) and the carrot fly (Psila rosae).By growing plants that are partially resistant to the carrot fly, it is possible to apply less insecticide … The mode of action of the native active ingredient is garlic juice. Prospects for coating seeds of root crops with insecticides against the root fly (Psila rosp). Gewasbescherming, 20(5):149-158. Spray both upper and lower surfaces of plant leaves lightly until fully wetted but avoid run-off; Rotate spray adjuster to ‘x’ position after use and before storage. Make sure any carrots infected with larvae are removed and disposed of. Keep reading … Follow our guide to deterring carrot root fly, below. It is also a good idea to plant when the fly … … Bury carrots below the soil so that the fly cannot lay its eggs. I just wondered if they'd managed to devellop a "safeish" spray. I'm not going to spray my stuff with things that'll kill me just to get a decent crop of carrots. This liquid insecticide targets and controls the eggs of cabbage root fly and carrot fly. Chamaepsila rosae, aka carrot root fly or just carrot fly, is an insect affecting not only carrots, but parsnips, parsley, and celery, too. This means that any insect that comes in contact or ingests the active ingredient will be affected. A small, seemingly innocuous fly, the carrot Rust Fly or Psila rosa, was unintentionally introduced to Canada from Europe in the late 1800’s. A guide to the breeding habits and … and other related crops within the same family.. Keep reading to find out how to stop this crop killer! A crop can by targeted by more than one generation of carrot root fly (Psila rosae), as the transition from egg to adult is completed in just three months, with larvae pupating in the soil. 1 Choose resistant varieties. Choose varieties that have been bred for their resistance to carrot root fly… What do "Organic" producers use ? For the following pests use these spray volumes: Whitefly 300ml – 666ml per 10 sq.m; Carrot Fly … Ferrar P, 1987. Ester A; Neuvel J, 1989. This … Root fly control is a contact insecticide. Carrot rust fly, carrot root fly, or Psila rosae is a significant pest to carrots. I know "Organic" doesn't always mean safe either, but there just doesn't seem to be anything in the marketplace to guard against Carrot Fly. The damage is caused as the fly larvae feed. They can result in aesthetic damage and in severe instances, … With an ideal climate, the pest quickly took off. 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