In This Issue
UK’s leading garden centres scoop top awards at GCA conference
And the rising star is Jayne Scott from Daleside Klondyke
Greenfingers fundraising at GCA Conference reaches more than £30,000
Barton Grange, Bents, Webbs, Stewarts, Fron Goch, Stratford, Fairways, Gordale win awards at GCA conference
Cowells and Bents picked up Ruxley Rose Awards
‘Fun and frolics’ event raises over £20,000 for Greenfingers
Castle Gardens and Bents presented with Christmas Awards
Mike Lind takes over as GCA chairman
Paul Dye's funeral details announced
Happy Spring!
Girl Power takeover for Rising Stars
Easy instant colour flies out of planterias
Wildlife World returns to Spring Fair 2018
Squire’s customers raise over £21,300 for local charities
Wyevale Nurseries landscape & amenity sales up by 20%
Successful trials of membrane to contain Japanese knotweed
Perrywood presents cheques for over £14,000
Seedball launch Natural History Museum range
GIMA launches new Foreign Exchange service
Looking for Christmas Ideas for 2018?
GTN's Greatest Christmas Team Winners to be announced during Glee@Spring Fair
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Lights continue to sell after Christmas
Creative Products boosts marketing team
Red Baron sets the pace for veg sales
Early Birds drive sales of growing media
Sign up to a Garden Re-Leaf Day challenge
Young Gardeners of the Year 2018 launch
The best of last week's
Shake-up at the top of Dobbies but Nicholas Marshall stays
Jobs at risk at Wyevale Garden Centres following ‘challenging trading conditions’
Global giant Venanpri Tools acquires Burgon & Ball
Bestsellers Top 50 charts every week
Buy your subscription to GTN Bestsellers
All the latest news from the world of garden centre catering
Casual Dining show expands its drinks menu
HTA Catering Conference 2018 - ‘A Recipe for Growth’
Situations Vacant
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Successful trials of membrane to contain Japanese knotweed

 

A new membrane developed by global science and engineering firm DuPont, Plantex® Platinium, has been found to be successful in containing Japanese knotweed, following field trials carried out by Japanese knotweed removal specialists Environet.

Where the removal of Japanese knotweed through physical excavation is the preferred solution, horizontal membranes laid beneath the surface of the ground can be useful in locations where it is not possible to remove or kill all the knotweed crowns and rhizomes. This could be, for example, where underground services such as drainage and sewerage are present, where the land cannot be disturbed as a result of a tree preservation order, or where the costs are prohibitive.

Existing membranes that are effective at dealing with Japanese knotweed are usually impermeable to water, which, when installed horizontally over large areas, can create problems with drainage leading to flooding and ground instability.

Leaders in membrane innovation, DuPont approached Environet in 2017 with Plantex® Platinium, a new permeable membrane designed to control Japanese knotweed without the associated drainage issues. Environet conducted field trials over the 2017 growing season (March to November) at their Japanese knotweed infested test site in West Sussex. To put the product under extreme test conditions, no attempt was made to remove any of the crowns or rhizomes prior to the installation of a 10m x 5m sheet of Plantex® Platinium. The membrane was then covered with a minimum of 100mm clean topsoil and monitored throughout the season for knotweed growth.

No emergence was observed during the monitoring period, however, new growth was encountered around the periphery and was evident running horizontally beneath the membrane when it was lifted.

Nic Seal, Founder and MD of Environet, said: “We’re delighted to work with DuPont, who are global market leaders in materials science and innovation, to develop new, environmentally-friendly solutions in the fight against Japanese knotweed. The results of our field trials indicate that Plantex® Platinium is extremely effective at controlling Japanese knotweed, even though it doesn’t kill it. I’m confident this will be a game-changer for clients in the commercial and residential sectors.”

Carl Festré, DuPont EMEA Marketing Manager, Typar® and Plantex®, said: “We are happy with the results of the DuPont™ Plantex® Platinium test conducted by Environet in the fight against Japanese Knotweed.  These results confirm that Plantex® Platinium offers an effective, cost competitive and practical solution to control the spread of Japanese Knotweed.  As a manufacturer we will continue to look for opportunities to improve the product and the installation techniques to ensure full satisfaction of our customers.”

Picture shows: DuPont's Plantex® Platinium membrane is laid during trials at Environet’s Japanese knotweed infested test site in West Sussex.

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