Source: https://tendernation.io/opportunities/01a13bbd-65ca-717f-8b68-9c6db44c612c/biological-control-of-invasive-plants-202425 awarded GB direct award procedure # Biological control of invasive plants 2024/25 [Llywodraeth Cymru / Welsh Government](https://tendernation.io/buyers/llywodraeth-cymru-welsh-government) Estimated value Not stated Published 18 Jun 2025 Deadline Rolling deadline ## About this tender Biocontrol trials on Himalayan Balsam and Australian stone swampcrop. Australian stone swampcrop (ASS) – mass rearing of ASS mites and 2 releases of mites at each of 3 sites during 24/25. Monitoring and assessment visits of mite populations at these sites. Mass rearing of mites for 2 releases at 1 site replicating in the field an integrated management lab experiment undertaken in 23/24. Monitoring and assessment visits of mite populations at this site. Himalayan balsam (HB) – production of sufficient rust inoculum for three releases in summer 24 at one site. Overwintering assessment visits. Susceptibility testing using two new strains of rust fungus on material collected in summer 2024. Propagation of HB plants in temperature controlled glasshouses under quarantine conditions using new strains. Investigation of climatic conditions in Wales and influence on rust persistence. Monitoring Report on all works. Source Find a Tender (UK) · Notice ocds-h6vhtk-054f02-2025-06-18T12:50:21+01:00 [View official notice](https://www.find-tender.service.gov.uk/Notice/ocds-h6vhtk-054f02-2025-06-18T12:50:21+01:00) Never miss a tender like this again Get AI summaries, deadline alerts and a bid pipeline for tenders matched to your business. Free to start. [Track tenders free](https://tendernation.io/register) [Buyer profile Llywodraeth Cymru / Welsh Government: past awards and live tenders](https://tendernation.io/buyers/llywodraeth-cymru-welsh-government) ## More tenders like this [Bannister Sports Centre Athletic Track Soft Market Testing Exercise · Harrow Council · 38 days left · 26 Nov 2026](https://tendernation.io/opportunities/01a1540d-d9e4-71cb-ad57-1603e9042fec/bannister-sports-centre-athletic-track-soft-market-testing-exercise) [Hdc-1714 wadkins pavilion refurbishment · Harborough District Council · 39 days left · 27 Nov 2026](https://tendernation.io/opportunities/01a155bf-f664-72f9-9823-a85d6cddbdc6/hdc-1714-wadkins-pavilion-refurbishment) [Design, supply, and Installation of Newbiggin Skatepark Extension · Newbiggin Town Council · 35 days left · 23 Nov 2026](https://tendernation.io/opportunities/01a15552-19a2-7348-a5cc-3f5ae51ef934/design-supply-and-installation-of-newbiggin-skatepark-extension) [Tender for the design, supply, delivery and installation of a modular UNIT and associated works at ARC healthy living, irvinestown. peaceplus funded upgrade works · Fermanagh and Omagh District Council · 14 days left · 2 Nov 2026](https://tendernation.io/opportunities/01a15552-1b74-73ec-a6f6-a1af37959997/tender-for-the-design-supply-delivery-and-installation-of-a-modular-unit-and-a) [Architectural, design and building consultancy services - Dalby Visitor Centre · Forestry Commission · 25 days left · 13 Nov 2026](https://tendernation.io/opportunities/01a15552-1b8a-7041-80fb-e4943876fc38/architectural-design-and-building-consultancy-services-dalby-visitor-centre) [QW Planned and Reactive Facilities Management Services · Qualifications Wales · 42 days left · 30 Nov 2026](https://tendernation.io/opportunities/01a15552-1c32-72a6-a86e-45f144e2f84b/qw-planned-and-reactive-facilities-management-services)