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  #11  
Old 09-06-2017, 06:41 AM
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Default Re: Canadian pondweed and Curly leaf removal

Black sheet polythene weighted down and covering the areas with the worst of the weed. After a while the weed will be dead from lack of light and the polythene can then be moved or removed. The cleared area could then be seeded with low growing native pond plants so that the pond weed will be slow in colonising the cleared area. The Potamogeton, I take it that is the curly leaf one, is a native but there are low growing plants that could take their place.
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  #12  
Old 29-06-2017, 08:51 PM
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Default Re: Canadian pondweed and Curly leaf removal

Quote:
Originally Posted by glueman View Post
With DEFRA approval it may be possible to use Roundup
Be very carefull using 'Roundup,' it will kill darned near any plant.
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  #13  
Old 03-07-2017, 07:19 PM
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Default Re: Canadian pondweed and Curly leaf removal

We have a similar problem. I am making a decent heavy cutter that will keep close to the bottom, and I have a little two stroke winch.

This is a capstan which generates about 3000 lb/f of line pull. ie it will pull a Jimny with locked brakes if need be! It pulls in at a steady walk because it has a double worm reduction box. Weighs about 15 lbs. All you need is a spike for a ground anchor, or the towhook of a vehicle. Take the rope and cutter out in a dingy, drop the cutter and winch the whole lot back in - we are cutting 100 yards of pull at a time on a 5/8 dia polypropylene rope. I'm upgrading the cutter from a fairly light A frame cutter - rides up in thick weed, to a 60 pounder with a 2 metre wide cut.

Very effective. It is a little forestry winch powered by a chainsaw motor. Works a treat - though I need to improve the cutter from the lightweight Mk1 version.

At that speed of pull, one can use it to winch in the rope to trap the weed - polyprop rope floats.

Even pulls the dinghy out of the water at the end of the day! The beauty of the capstan of course is the the length of cut is only limited by the length of rope. Before the weed went mad we cut, testing, about 1/2 acre in 2 hours.
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