It is now mid August with our frequent rains and overpowering heat here in South Louisiana. Perfect weather for growing torpedo grass! I've taken a few photos to share. Hopefully they will help illustrate the effects of the Sethoxydim treatments in my battle against Torpedo Grass in my Centipede yard.
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This is the product I am using. I am in no way promoting this product. There may be better brands with higher percentage of active ingredient or lower prices. In my case, this is all I can find! Sethoxydim is the active ingredients. It doesn't matter what label is on the bottle. |
| Expensive too! |
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This was an area I accidentally spilled weed and feed this Spring ('12) and killed everything except the torpedo grass. But, it provides a good view of the effect of multiple applications of Sethoxydim. Yes, that dead grass in the middle is dead Torpedo Grass! It was enjoying the extra fertilizer and lack of competition until I started my spraying campaign. It is now dead. The Centipede continues to grow and reclaim the barren spot even though treated exactly as the torpedo grass.
Sometimes I get a bit optimistic and think I have erradicated the Torpedo Grass from an area, only to have it pop back up. I've been spraying for several years now, and even though my Centipede is thick and healthy, without frequent spraying I know the Torpedo will pop back up. When I began the battle, there were areas of my yard with Torpedo infestation so thick it was choking out the Centipede. At least now I have to look closely to see the Torpedo grass.
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| Larger photo of same area as above. |
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About a week after treatment you will see the growing tip leaf of the Torpedo Grass begin to turn yellow. Don't get discouraged. The process is slow.
A few weeks after treatment (and mowing the tops off) the Torpdeo Grass will look like this sprig I'm holding. The Sethoxydim killed the growing tip first and gradually the stem and older leaves die.
Hi, Ben! I would love to know how you are doing with your torpedo grass battle. I am so frustrated with my lawn and would be happy just to stop the infestation from getting worse. Thanks for any new info.
ReplyDeleteA weed killer with Sethoxydim will stop the spread, but it has to be sprayed regularly. I have now resorted to digging up the rhizomes around the edges of my infested areas. I am fortunate that my infected areas are concentrated in distinct locations and not over the entire yard. I work from the outside perimeter and am gradually shrinking the infected area manually. It I live to be around 120 or so I should be able to eradicate it from my yard. I use the Sethoxydim to prevent my neighbor's infestations from spreading to the edges of my yard.
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