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19 Dec 2014 < Back

Herbicide Use in Japanese Knotweed Management and Non- Native Tree Control Under Spotlight In New White Papers

We have launched two White Papers, giving a comprehensive insight into both the control and care of trees in invasive weed management programmes and the use of herbicides in Japanese knotweed control.

The White Paper offering guidance to dealing with trees offers an in-depth guide to controlling invasive, non-native trees, such as Sitka Spruce and Lodgepole Pine. The document also provides information relating to the protection of native tree species, offering guidance on how activities such as the use of herbicides and site access – including excavation work – can be controlled under weed management programmes when tackling plants such as Japanese knotweed.

The information works in tandem with the other White Paper, covering herbicide treatment in the control of Japanese knotweed.

These White Papers are the latest reference material produced by the PCA’s Invasive Weed Control Group – set-up in 2012 to signpost consumers to professional treatment companies offering assurance, standardisation and certainty in tackling the problem of species such as Japanese knotweed, giant hogweed and other environmentally and economically damaging pest plants.

The PCA worked with the Royal Institution of Chartered Surveyors (RICS) – supported by the Council of Mortgage Lenders and The Building Societies Association – together with Japanese Knotweed control companies that currently operate within the UK, to develop the Invasive Weed Control Group.

Since then the group has developed a national framework, a bespoke training programme and produced a range of material to underpin best practice within the invasive weed control sector.

Steve Hodgson, Chief Executive Office of the PCA, said: “Our guidance notes provide a useful reference to professionals in the invasive weed control sector, as well as those involved in the management and specification of invasive weed control projects. The guidance notes have been developed by highly knowledgeable experts. These are practical and robust guides, which can be used as a point of reference by professionals including those in surveying, construction and property development, as well as the landscape, amenity and remediation sectors.”





Keith Thomas

Hi James, posted in similar vein on LinkedIn this morning. However, it must be said that much of the ‘race to the bottom’ is being fuelled by members from the manufacturing/ supplier contingent

Paul Green

Well said James The race to the bottom is an age old / not new phenomenon, (albeit maybe exasperated more recently ?), and with ref to the comments about utilising experts from inception stages I cannot concur more with you, and in my humble opinion, more emphasis needs to be placed on our members standing their ground where shoddy substrates / concrete needs to be a major consideration before even contemplating to propose or install any BS;8102 compliant waterproofing systems, or any combinations of them, and it would perhaps better serve both our members, and their clients, if our cohorts had a greater understanding of say, watertight concrete too, and if it helps, I for one would be happy to offer a member friendly CPD type presentation on type-B waterproofing to broaden the knowledge base of some of our younger members too ?

Andrew Young

I’m trying to find a company who is associated to your organisation that can remove our Icynene spray foam from our pitched roof. I have been unsuccessful at this time, could you advise me please

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