Biological control of invasive plants 2024/25

Llywodraeth Cymru / Welsh Government
Wales
Direct award
9 June 2025 to 31 March 2026

The contract involves mass rearing and field release of mites for Australian stone swampcrop control at four sites, alongside production of rust inoculum for Himalayan balsam. It includes susceptibility testing of rust fungus strains, propagation of plants in quarantine glasshouses, and investigation of climatic influences on rust persistence. The work requires monitoring, assessment visits, and a final report on all experimental outcomes.

Open the official notice

Awarded value: £69k; As published
Published: 18 June 2025
Awarded: 5 June 2025; CABI International
Contract length: 10 months; Ends 31 March 2026

What the contract covers

Provision of scientific research and biological control services for the management of invasive plant species in natural environments.

Terms and requirements

Procedure: Direct award
Initial term: 9 months
Contract dates: 9 June 2025 to 31 March 2026
Certifications asked for: None stated
Lots: 1
Suitable for SMEs: Not stated
CPV codes: 90720000

Services in this contract

Invasive non-native plant controlMain service£49k typicalBiological control trials on Himalayan balsam and Australian stone swampcrop

Lifecycle

Published
18 June 2025
Contract awardedto CABI International
5 June 2025
Contract starts
9 June 2025
Contract ends
31 March 2026

The buyer

Llywodraeth Cymru / Welsh Government

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The supplier

CABI International

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Cite this contract

Link: https://bidskim.com/tender/1138255/biological-control-of-invasive-plants-2024-25
Buyer reference: C086/2024/2025
Open contracting ID: ocds-h6vhtk-054f02
Last checked: 4 November 2026

Llywodraeth Cymru / Welsh Government. Biological control of invasive plants 2024/25. Contract award, 18 June 2025. BidSkim, https://bidskim.com/tender/1138255/biological-control-of-invasive-plants-2024-25 (accessed 4 November 2026).