Know How / Blackgrass

Blackgrass is a major problem facing cereal growers in the UK. Herbicide resistance and glyphosate regulation means that farmers need to use a combination of chemical and cultural controls. See the latest advice on stopping the spread and how to use an integrated approach to tackle this prolific grassweed.

Advice and tips

CROP SELECTION

How to grow profitable spring crops and beat blackgrass

Spring cropping has a key role in tackling blackgrass, but which are the best crops for tackling the weed and maximising returns? Four years of trials data have come up…

BLACKGRASS

How to get residual herbicides right to fight blackgrass

Stale seed-beds and other cultural approaches can go a long way in managing blackgrass, but a robust residual herbicide programme is vital in getting the level of control needed for…

ESTABLISHMENT

How to make the most of an early harvest to hit weeds in wheat

An early harvest means farmers can hit grassweeds even harder when establishing wheat, by making greater use of stale seed-beds. This pre-drilling strike against weeds followed by a robust pre-…

BLACKGRASS

Expert advice on using rotations to tackle blackgrass hotspots

Severe blackgrass infestations are costly for farmers, resulting in large reductions in yield, as well as adding £100/ha or more to herbicide costs. The good news is that a combination…

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Case studies

BLACKGRASS

How Oxfordshire farmer cleaned up a bad blackgrass problem

Piers Cowling manages 1,170ha of variable soils in a renowned blackgrass hot spot, and six years ago he realised that radical changes were necessary if he was to continue growing…

BARLEY

Malting barley on heavy land pays off for Cambs grower

Bad blackgrass and the three-crop rule prompted Sam Morris into growing spring barley and last year it turned up trumps by being the most profitable crop on his heavy land…

COVER CROPS

Long-term benefits of cover crops examined on Suffolk farm

Early destruction of cover crops is essential to allow a following spring crop to be successfully drilled and established, especially as these over-winter crops are tipped to become more important…

BLACKGRASS

Grass and maize help to banish blackgrass

Grass and maize are helping to win the blackgrass battle on one mixed Dorset farm, and so are cutting the cost of expensive autumn cereal herbicides. Two-year grass leys have…

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Insights

BLACKGRASS

How an Aussie invention can help improve weed control

The use of a combine chaff deck at harvest, which dumps the chaff along with most of the weed seeds in the tramlines, was so encouraging last summer for one…

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News

WEED MANAGEMENT

First signs of resistance found to key herbicide flufenacet

The first signs of ryegrass and blackgrass resistance to the widely used used herbicide flufenacet are being detected, with growers being urged to use other methods of control as well…

CROP WATCH

Crop Watch: Concerns grow over propyzamide timing in OSR

This autumn is proving to be one that requires nerves of steel. A lot of patience was needed with delayed drilling to get a good blackgrass kill and now it’s…

CROP WATCH

Crop Watch: Later drilling can counter blackgrass and BYDV

The shift to later drilling of winter cereals is helping growers prepare for the loss of a key neonicotinoid seed dressing next year as well as assisting with the fight…

WHEAT

Late wheat drillers advised to pick a vigorous variety

Winter wheat growers planning to drill late to combat blackgrass should chose varieties with vigorous early growth that are quick out of the blocks in the spring to smother the…

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Test and reviews

New Defy 3D nozzle: Sprayer operators give their verdict

Agrochemical giant Syngenta has launched its new Defy 3D spray nozzle, which will provide growers with improved grassweed control and reduced spray drift. The new nozzle is an evolution of…

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Video

BLACKGRASS

Video: The plan that battered blackgrass in 12 months

Three Cambridgeshire growers are fighting back against a heavy yield penalty imposed by blackgrass with a new establishment system and have seen a dramatic turnaround in just 12 months. Declining…

ESTABLISHMENT

Video: Advice on autumn establishment and weed control

There are four core factors that determine the success of an autumn established wheat crop – soil and seed-bed quality, weed control, timing and herbicide application. Laying the foundations of…

ARABLE

Video: Grower cuts fuel costs as new drill hits blackgrass

The need to slash soaring fuel costs while tackling blackgrass at the same time has led to a wholesale change in establishment system on one Leicestershire estate. Farming 1,130ha of…

COVER CROPS

Video: Spring crops and no-till vital in blackgrass fight

Heavy land growers wanting to put a serious dent in their blackgrass burden must turn to spring cropping and consider direct drilling – that’s the top message from Project Lamport this year.…

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