7/12/2012

Bayer 704100B Bermudagrass Control 32-Ounce Ready-to-Spray Review

Bayer 704100B Bermudagrass Control 32-Ounce Ready-to-Spray
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(More customer reviews)
Have used a lot of this product to kill bermudagrass that was rampant throughout my yard (3/4 acre) and all the neighbors. This chemical did not kill bermuda, only slightly controlled it - very disappointing after spending more than $200 over one summer for multiple treatments. Per web research from Bayer, it requires monthly spraying for 2-3 years to finally acheive "control" (it only attacks the visible stolons, not the underground rhizomes) - it does not claim to kill the Burmuda. This was very expensive and the bermuda would return in other areas and was just as bad next year. For those interested, this is the same as if sprayed with Round-up (even Round-Up won't kill this stuff!).
Found Ornamec "Over-The Top" from PBI/Gordon, and sold in a large size at [...] (the gallon size is cheapest if you have friends with the same problem). Given its performance, it is hands down the cheapest in the end and one gallon will do ~20 lawns my size. Ornamec will kill the entire Bermudagrass plant. It kills the visible stolon and also transports through the rhizome, killing it as it tranports to new to new growth areas. One treatment in spring, one in fall, and then only spot treatments as needed. Only 1 oz per gallon is needed, so my entire neighborhood chipped in for a gallon. This worked great, as once my neighbors treated the Bermudagrass was gone and not sneaking in from other lawns. (Note instructions to add surfactant - Dawn dish detergent works well - to help improve wetability.)
Check the active ingredient in Ornamec (fluazifop-p-butyl) and in the Bayer spray (fenoxaprop-p-ethyl) and research them on-line - the Ornamec is the way to go. Just check the label as it will kill rye grass (does not touch Fescue, bluegrass, or other northern grasses) and many southern grasses. Ornamec can also be sprayed in flower beds with wild abandon without hurting other plants - hence the "over the top" moniker. I did a lot of research before finding this stuff to ensure I got something that worked. I am a degreed Chemical Engineer and Environental Engineer and checked on the active ingredient, how it worked, and what I was getting for the money. The active ingredient in Ornamec wins hands down and is the ONLY chemcial that actually will say it KILLS Bermudagrass. (Note - Ornamec works even better if Triclopyr - an herbicide aimed at clover, oxalis, chickweed, and purslane and availalbe at Home Depot as Ortho's Clover and Oxalis Killer - is added
to the mix. More research on this can be found on the web)
Note that if your only problem is crab grass, use a simple MSMA based treatment available from most lawn and garden stores. MSMA concentrate is way cheaper than the Bayer spray or Ornamec and it works extremely well on crab grass and such (does not touch Bermuda). But for Burmudagrass, Ornamec is the only way to go.

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32 OZ, Ready To Spray, Bermudagrass Control, For Lawns, Just Attach To Hose, Won't Harm Cool Season Turfs, Also Kills Crabgrass & Other Grassy Weeds.

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