Nematode-infected plants showed increased production of indole glucosinolates, while levels of aliphatic glucosinolates—compounds known to hamper root fly development—dropped by 10 to 25%.

5. Avoid cabbage root fly maggot damage to brassicas with a later planting. Farmers are using new research to set out their broccoli, cabbage and other brassica crops until closer to the summer so ...

Flea beetle has been bad, but cabbage root fly far worse (pictured). I don’t really wish to confess the number of foliar insecticide doses to date. Success has been good so far, ...

Pesticides and insecticides can kill beneficial insects as well as pests and in the case of the cabbage root fly, create a bigger problem. As time marches on, ...

Cabbage root flies are drawn to the scent of brassicas and lay their eggs at the base of the plants, especially during winter when they are buried as pupae.

ON p. 331 of NATURE of December 28, 1916, the writer of the review of the book entitled “Plants in Health and Disease” remarks:—“The accounts of such pests as the cabbage-root fly and the ...

Q:My neighbor said you had a trick or remedy for root maggots that involves using some kind of tape on the seedlings of broccoli and cauliflower. I have made collars out of cardboard, but the tape ...

He said the knock-on effect was a 100pc clearance of cabbage root fly – and he believes the same approach would work to prevent infestations in commercial oilseed rape crops.

The larvae of the cabbage root fly hatches from eggs laid around the base of the plant in April — though when the flies emerge depends very much on the weather and soil temperature.