Early drilled oilseed rape needs tailored herbicide programme
Farming Monthly National|September 2020
Early drilled oilseed rape needs tailored herbicide programme
Farmers who drilled oilseed rape in July and August without applying a pre-emergence herbicide will need a tailored approach to weed control this autumn.

Corteva Agriscience says earlier drilling is one strategy being employed on UK and Irish farms in a bid to use the warmer temperatures and moisture to aid rapid establishment. The tactic is one of a range of measures arable farmers are using to help crops to grow away from pests such as cabbage stem flea beetle and slugs, and making them more resilient against the challenges of a cold, wet winter.

Another change is to move away from preemergence herbicides which have been a mainstay of broad-leaved weed control for many years.

The switch to post-emergence applications allows farmers to see the crop establish, assess the weed spectrum and tailor a reactive programme accordingly.

John Sellars, Corteva's Oilseed Rape Herbicide Product Manager, said; The past few growing seasons have posed a number of challenges for growers.

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September 2020