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Posted
15 minutes ago, cactusflinthead said:

Chamber Bitter is correct. 

One question, did you use a surfactant? The ones with a waxy surface like that need something to make them stick or it's going to bead up and roll right off. It's Euphorbia Fam, but no latex sap. 

From Clem

On tall fescue, bermudagrass, and zoysiagrass lawns, repeat applications of three-way herbicides that contain 2,4-D, mecoprop (MCPP), and dicamba can be used to control chamberbitter. Apply these herbicides in late spring or early summer when the weeds are still young and space second application at 30 days later. These three-way herbicides may also be used on centipedegrass and St. Augustinegrass lawns at reduced rates and after the grasses have completely greened-up in the spring. Read the product labels for rates to mix and apply. See Table 1 for examples of products. For more information refer to HGIC 2310, Managing Weeds in Warm-Season Lawns.

Celsius WG Herbicide, which contains thiencarbazone, iodosulfuron, and dicamba, will control chamberbitter, especially if applied when the average daily temperatures are over 60° F. Apply when chamberbitter is actively growing and again 2 to 4 weeks later, if needed. The addition of a non-ionic surfactant, such as Southern Ag Surfactant for Herbicides, will increase control.

https://hgic.clemson.edu/factsheet/chamberbitter/

The first time I used MSM I did not use a surfactant. I did use one the last time with 2,4-D, but I may need to be putting it down more often. I've got a mix of zoysia, centipede, and St. A. 

Thank you for the information!

Posted
1 minute ago, The Royal We said:

The first time I used MSM I did not use a surfactant. I did use one the last time with 2,4-D, but I may need to be putting it down more often. I've got a mix of zoysia, centipede, and St. A. 

Thank you for the information!

You can try Atrazine on the Centipede and StA. I would try a test area with that one first. It's also pretty good for pre. But, it's hot. Go gently with that one and make sure the turf is as fat and happy with water as you can get it. Atrazine is good in early spring and not nearly as risky. You can use it on bermudagrass, but it's got to be completely dormant. Check the label for the zoysia. I haven't used it in either dormant season or active. Atrazine is a stronger cousin of Princep/Simazine. It's also kinda mobile. Try to keep it away from shallow rooted trees and shrubs. Simazine has the same warning but I just haven't seen any negative reactions especially in the heavy assed black gumbo clay. 

Posted

Thread bump hits close to home.  Had my John Deere riding mower picked up for repairs this morning.  It needed several things, not the least of which was that the blades were worn down to the point it left a narrow streak right down the center of my cut that wasn't cut, and I had broken the belt to the blades.  All in, their estimate was $1,250 for everything I wanted done and they said needed to be done.  Fuck.  Me.

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