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Old 11-29-2012, 07:21 AM
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Join Date: Jan 2007
Location: Ark
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Originally Posted by grassmasterswilson View Post
On all my warm season turf I usually try to apply simazine in November for control of poa and winter weeds. The problem is I always get in trouble with leaves. I have some lawns without trees and they aren't the problem, but I have many lawns where I can't seem to catch up with the leaves long enough to get a good window for the application. So most times the simazine application happens in December. That usually does a great job with controlling the weeds, but I will get some early break through. I'm seeing weeds and poa now.

I was talking with the local super at the country club and he said a university turf guy recommended 1 qt/acre of atrazine in October and 1 qt/acre simazine in December. I like the idea of that split app for increased control and getting the pre down before and after the bulk of leaf season. Plus I could eliminate the 3-way that I normally mix with my pre. Atrazine/simazine is a very low cost application.

Our turf usually stops growing in October, and turn brown after the first frost.

Any reason why I can't use that application schedule on all my warm season turf? My warm season consist of mostly centipede and bermuda with a few st aug and zoysia mixed in. Thoughts?
I think your weather patterns are similiar to mine and I am faced with the same situation. In my area if you get your apps down in early Oct you should beat the leaves? Of course this app should be Simazine because the bermuda & zoysia will not be dormant. As for the Atrazine you need to ask someone in your area when the bermuda/zoysia will be dormant enough.
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