turfgrass

Roundup during dormant Bermuda?

Roundup during dormant Bermuda?

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Terry – posted 16 January 2005 21:01

I have quite a bit of winter weeds and annual grasses coming up in my dormant bermuda lawn. I put down some pre-emerg back in September, but it didnt seem to do much good.

I figured since the lawn was dormant I could put some roundup on the weeds and annual grasses during a warm winter period. Any issues here?

Buck – posted 17 January 2005 09:08

If I were you I would try something more selective than Roundup. I have given up using Roundup on my 419 and GN even though it appears to be entirely dormant because for whatever reason it stalls the green up in the spring. Image 70DG available at LESCo is pretty good if you have 6 weeks or so prior to the transition from dormant. It is labeled for Bermuda and also for winter applications.

mikemaas00 – posted 20 January 2005 12:56

Image is an excellent product, but works slow. Just because your bermuda is brown doesn’t mean its dormant. Check the runners underneath and make sure they are brown also. If those runners are brown, the go to town with the glyphosate. If you just have broadleaf weeds, simply use a 2-4,d product such as bentgrass selective or three-way. You can find that at lesco also. There is no risk in injuring your bermuda with bentgrass sel. or threeway unless you overdose it. Use it for broadleaf control up until temps start to get into the 80s. You can burn your bermuda with it if temps are hi. There are many different control products you can use on bermuda. Drive is another product that works well as both a pre-emergent and postemergent herbicide.

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