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How to kill japanese knotweed


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Greengage
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PostPosted: Tue Apr 29, 2014 5:20 pm    Post subject: How to kill japanese knotweed Reply with quote

Thought people might be interested in his.
http://howtokilljapaneseknotweed.blogspot.ie/
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kindredspirit
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PostPosted: Tue Apr 29, 2014 7:05 pm    Post subject: Reply with quote

He thinks Japanese Knotweed is dead after 9 days with coffee? I really doubt it is completely dead; the plant is only taking a coffee break! Smile Smile
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tagwex
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PostPosted: Tue Apr 29, 2014 10:00 pm    Post subject: Reply with quote

I know a man who has that crap in his garden and he has scoured the internet in recent years to find a way of eradicating it. I think he gave up a few years back and just cuts it down annually now. I wonder what the application strength of the coffee and vinegar is. Must tell him.
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Greengage
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PostPosted: Wed Apr 30, 2014 6:04 pm    Post subject: Reply with quote

If you read the full article it think its there if not get back to me and ill find out.
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tagwex
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PostPosted: Wed Apr 30, 2014 10:37 pm    Post subject: Reply with quote

I thought I read it all. Didn't see anything about dilution rates, not much of a thesis without a full explanation!!! Will have a quick look again tomorrow.
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tagwex
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PostPosted: Thu May 01, 2014 9:04 am    Post subject: Reply with quote

I read it again greengage and no mention of dilution rates or number of applications needed. If you can find out it would sure help.
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This boy can really sing http://youtu.be/Dgv78D2duBE


Last edited by tagwex on Thu May 01, 2014 12:10 pm; edited 1 time in total
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Greengage
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PostPosted: Thu May 01, 2014 12:07 pm    Post subject: Reply with quote

your right i just assumed that you didn't read the full article, anyway looks like you could do a little experimentation for us, Start off with used coffee grounds from coffee you normally drink, then try stronger and stronger mixes we look forward to your answers. Saw on another organic web forum that coffee grounds are a waste of time so there you go.
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tagwex
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PostPosted: Thu May 01, 2014 12:12 pm    Post subject: Reply with quote

But you are the fountain of all knowledge here, I don't have that cursed plant thankfully so nothing to experiment on.
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Greengage
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PostPosted: Thu May 01, 2014 3:13 pm    Post subject: Reply with quote

Re: Fountain of Knowledge, I know more and more about less and less until eventually i will know everything about nothing.Anyway I dont like coffee i dont even like the smell of it same goes for hot chocolate and if i had my way we would all be having our dinner at one O clock in the day
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tagwex
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PostPosted: Thu May 01, 2014 3:27 pm    Post subject: Reply with quote

Well I have a pint of coffee every morning, instant during the week and percolated at the weekends. Lovely stuff. You must be a real country boy having the dinner at that time, what do you do for lunch then?
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Greengage
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PostPosted: Fri May 02, 2014 6:45 pm    Post subject: Reply with quote

re lunch Ham sandwich and tea at 11.
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tagwex
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PostPosted: Fri May 02, 2014 8:42 pm    Post subject: Reply with quote

You can't have lunch at 11 and dinner two hours later. Suppose you have supper too, whatever happened to three square meals a day?
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This boy can really sing http://youtu.be/Dgv78D2duBE
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medieval knievel
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PostPosted: Sat May 03, 2014 10:26 am    Post subject: Reply with quote

i saw something on TV a couple of years back about knotweed in the UK - in sites which were too sensitive to dig it out en masse (which carries its own problems anyway), they would cut it to a stump and directly inject roundup into the stump - and had to repeat this year after year.
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tagwex
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PostPosted: Sun May 04, 2014 10:07 am    Post subject: Reply with quote

A very common place to see knotweed in the UK is beside the railway tracks, rampant in places and largely uncared for areas with low maintenance.
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Its my field. Its my child. I nursed it. I nourished it. I saw to its every want. I dug the rocks out of it with my bare hands and I made a living thing of it!

This boy can really sing http://youtu.be/Dgv78D2duBE
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Good guy
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PostPosted: Sun May 04, 2014 10:45 pm    Post subject: Reply with quote

It is getting very common here. I've even found some on top of a mountain on Arranmore Island. I think it got there with dumped builders refuse. It spreads vegetatively by runners under the ground. These can travel many metres before surfacing as a new plant. It will grow through concert and Tarmac and will easily sprout from cut-down stems so disposing of it it a real problem. See invasivespeciesireland.com.
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