Message Board - Golf: Mistake with Round Up!
10 May 2010 by Fox88
Hi
I went out 2 weeks ago on to two greens to spray broad leaf weeds with the wrong knapsack! And yes u guessed it, it had glyphosphate in it instead of my usual selective weed killer. The two greens have now turned yellow as expected and im now wondering what to do?
I have no sod nursery and have been thinking of reseeding the area instead.
.
Any help would be great
Thanks
10 May 2010 by Mal
Ian, you should be able to re-seed without any thought to persistance as Glyphosate breaks down quite quickly in to harmless by products. I would do it now with minimal distrubance using plenty of sorrel rolling and seeding into the holes and a light dressing. the key would be in this situation is to leave the old grass intact (Do Not Attempt to Clean/Scarify It Out) as the old roots and grass will ensure that the greens remain stable while the new grass establishes.
My thoughts for what its worth.
Good growing
Geography is everywhere
10 May 2010 by has 2 mow
The only advice i can give is to maybe pre chit the seed prior to renovations, this may help due to the cold temps we are having at this current time, and also save some time in the germination period.
A green i had to deal with a few weeks back, and very pleased i chitted the seed first, it has been a big help, and sometimes the poa does lend a helping hand .
10 May 2010 by has 2 mow
Its not perfect, but were open .
Good luck, with the recovery.
Mark
10 May 2010 by Mark Jones
what does pre chit seed mean?
10 May 2010 by has 2 mow
Hi Mark
To pre chit seed was something i learned from the cricket guys from this site . what i did was to put seed into a container with the material you use for top dressing and water, and put in a warm place indoors, and then just before the seed bursts is to bulk up with more top dressing and apply to bare areas or over seed in general, the seed i used was bents and saved at least 2 weeks due to cold temps , do a short trial first to see how long it takes, mine was about 5 days above the boiler in the kitchen.
Mark
10 May 2010 by Fox88
Cheers Mal and has 2 mow thats a great advise!
10 May 2010 by Mark Jones
thank you for the tip has to mow
11 May 2010 by turfjack Last edited 11 May 2010
Ian
Mals and Has To Mow advice is perfect. Just one other bit of advice is to raise the height of cut on the mowers and use solid rollers if you are not already, as it will take a lot of stress of both the new plants and the existing ones. The other thing is to spoon feed the area regularly as it will help bring in the new seed quicker.
I'm not sure if they're readily available in the UK but the jobsaver tines from Miltona (http://www.miltona.com/product.cfm?product=591) are a great tool to create a seed bed (although the sorrel rollers a cheaper option).
It's too late for you right now but if this happens to anyone else, keep this in mind. If you realise your mistake quick enough, scalp the turf right down to prevent the Round-up getting to the crown. The turf will look like crap for a few days but will come back. I had a friend who had an assistant spray 30 odd acres with Glyphosate (the packaging was the same as a fungicide and he didn't double check....). They realised the mistake right away and scalped the fairways right down and turf loss was minimal.
Alan FitzGerald, LedgeRock Golf Club
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