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

BLACKGRASS

5 tips to get the most from residual blackgrass herbicides

Residual soil-acting herbicides can account for up to half of the annual crop protection spend for winter wheat in bad blackgrass situations, so getting the best out of them is…

BLACKGRASS

How to get the most from Avadex this autumn

Residual herbicide Avadex (tri-allate) has seen a bit of a renaissance in recent years, with many growers using the granules to get on top of blackgrass immediately after drilling, as…

PLOUGHING AND CULTIVATION

The best way to manage stubbles after harvest

Unless you are one of a growing number of no-tillers or you plough every year, it is difficult to be prescriptive when it comes to post-harvest cultivation strategy. There is…

WEED MANAGEMENT

How to get effective weed control when using flufenacet

Pre-emergence grassweed herbicide programmes based on flufenacet must be supplemented by cultural measures this autumn, after resistance testing confirmed reduced sensitivity to the active ingredient in blackgrass. For growers, this…

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Case studies

WEED MANAGEMENT

How Cambs grower has halved glyphosate use

A Cambridgeshire farmer has dramatically halved the amount of glyphosate used, and this year he successfully grew some of his oilseed rape without using the herbicide. Glyphosate is the most…

BLACKGRASS

Why data is proving useful in one grower's blackgrass battle

Precision agronomy is helping a Cambridgeshire grower and his agronomist fine-tune blackgrass control and improve farm performance. Having taken the plunge and linked his precision farming data with agronomic practices…

OTHER CROPS

Soya suits Bedford grower’s battle against blackgrass

Bedfordshire grower Matt Broadhurst turned to soya beans to help control blackgrass and improve his soils, and is looking forward to a good harvest later this month. He is hoping…

BLACKGRASS

How a radical blackgrass strategy slashed seed return

Edward Vipond has made radical changes to his cropping system in his ruthless quest to reduce blackgrass numbers by slashing the seed return. The weed has become a real headache…

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Insights

BLACKGRASS

Why a major blackgrass project is looking at soil health

Improving soil health has now been included in Agrovista’s long-term blackgrass trial, as the company continues to refine its blackgrass management advice for growers on heavy land.  The project’s tried-and-tested…

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News

CROP WATCH

Crop Watch: Rain puts pressure on delayed wheat drilling

The wet spell continues and there are fears that growers could lose their nerve on delayed drilling of wheat. Persistent wet weather is also affecting weed strategies, with many of…

BLACKGRASS

Blackgrass battle hampered by wet and seed dormancy

The fight to control blackgrass could be tougher this autumn as wet weather is tempting winter wheat growers to drill early while seed of the grassweed shows high dormancy levels.…

BLACKGRASS

Bayer working on new chemistry to tackle blackgrass

Agrochemical giant Bayer is working on a herbicide with a new mode of action to tackle blackgrass in winter wheat. Arnd Nenstiel, the company’s weed control specialist, says researchers in…

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…

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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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