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Survey to reveal status of UK brome populations

Farmers and agronomists are being asked to complete an online survey to help map the distribution of brome weeds across UK arable farms.



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Survey to check status of UK arable brome weeds #clubhectare #brome

The results, alongside experimental data, will be used to map population changes and to better understand the implications for weed management.

 

The survey, which is part of a four-year project led by ADAS, can be accessed via cereals.ahdb.org.uk/brome until August 18.


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See also: Brome: Is it becoming a bigger issue?

 

ADAS weed researcher, Laura Davies says: “It is likely that brome populations have increased and herbicide susceptibility could have altered too, which is not surprising as brome weeds have been earmarked as being at high risk of developing resistance.”

 

Herbicide resistance in worldwide brome populations has been detected, most notably in sterile brome from France and Germany. Although tests on UK brome populations show none is herbicide resistant, some populations have decreased susceptibility to some herbicides.

 

Dr Davies says:“The results from this research will show us how populations have changed and how much of the change is due management decisions that favour the different brome species, such as reduced tillage, or emerging herbicide resistance problems.”

 

Information from the research will be used, in consultation with the Weed Resistance Action Group, to develop an integrated weed management system for bromes.

Which species?

There are five species of brome grass which grow as arable weeds in the UK.

 

These belong to two different groups:

 

Anisantha species

 

  • Barren brome
  • Great brome

 

Bromus species

 

  • Meadow brome
  • Soft brome
  • Rye brome


As brome species are notoriously difficult to identify, growers are encouraged to use the identification tools at cereals.ahdb.org.uk/brome to help ensure accurate species data is entered into the survey. ADAS is also providing an option to send in seed samples for identification and herbicide testing.

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