Table of Contents
What time of year do you spray MSMA?
Herbicides containing MSMA are most effectively applied when grassy weeds such as crab grass and Dallis grass have emerged in the early spring and are actively growing. Repeat applications may be required through the late spring and summer.
What can I use instead of MSMA?
Residential DIYers that are looking for an alternative that can deliver effective weed control as an alternative to MSMA can try msm turf herbicide or 2,4-D amine selective weed killer.
What temperature does it need to be to spray MSMA?
Apply during warm weather when temperature is between 80°F and 90°F. Do not water turf for at least 24 hours after application. Turfgrass may be temporarily discolored. Bermudagrass, Bluegrass, and Zoysiagrass have shown tolerance if this product is properly applied.
Can you spray MSMA at 75 degrees?
Mix a stronger concentration of MSMA herbicide when spraying mature weeds or in weather between 75 degrees and 90 degrees Fahrenheit. Use 2 1/2 tbsp. or 1 1/4 fluid oz. of herbicide for each gallon of water. This will cover a 250-square-foot area.
What temperature do you apply MSMA?
Apply during warm weather when temperature is between 80°F and 90°F. Do not water turf for at least 24 hours after application. Turfgrass may be temporarily discolored.
Can you mix MSMA and trimec?
Answer: Yes, Trimec 992 Broadleaf Herbicide can be tank mixed with MSMA 6 Plus by following the Tank Mixing instructions on the product labels.
Why is MSMA banned for residential use?
MSMA contains an organic form of arsenic that is relatively nontoxic. However, in an inorganic state, arsenic is highly toxic. And in 2006, water samples from some golf courses in Florida tested high in arsenic, which prompted the EPA to cancel the registration for ag use.
Is MSMA still available?
As a result, MSMA is still allowed for use on sod farms, golf courses, and highway rights-of-way. The amended cancellation order for organic arsenicalsExit Exit EPA website describes the status of these uses and existing stocks provisions in more detail.
Can you mix 2,4-D and MSMA together?
For superior post-emergent control over crabgrass, dallisgrass, sandburs, clover and many other tough weeds in sensitive warm-season turf, this MSMA and 2, 4-D combination is top notch. Follow label instruction and make two applications 20 days apart. Contains 2.5 gallons of MSMA 6 Plus and 2.5 gallons of 2, 4-D.
Can you mix MSMA and 2, 4-D together?
Can you mix MSMA and 2,4-D together?
Is MSMA safe around trees?
Post-Emergence Grass Killers – This group of herbicides is composed of arsonates such as MSMA and DSMA which are applied to turf for post-emergent control of crabgrass and other annual grasses. Arsonates are not root- absorbed and are safe around woody vegetation.
Is MSMA harmful to humans?
Conclusion: MSMA produces early GI symptoms and very high levels of arsenic in blood and urine, but no evidence of long-term toxicity.
Will MSMA hurt St. Augustine grass?
MSMA is not as useful in our area as other regions because it kills St. Augustine grass. MSMA is very effective in removing St. Augustine grass from other lawn grasses.
What kills St. Augustine but not Bermuda?
You may have to spot-treat with a glyphosate herbicide to kill the St. Augustine, even though it will also kill the bermuda that it hits. Products containing glyphosate as their only active ingredients do not contaminate the soil, so you can replant with new sod within a couple of weeks of the spraying.
What grass will choke out St. Augustine?
If the environmental conditions favor one grass species over another, “choking out” may occur. For zoysia grass to overtake and smother St. Augustine grass, the soil must become drier to favor the zoysia’s slower growth and cause the St. Augustine to wither.
When should I spray MSMA?
trook. I sprayed my yard with msma 2 days ago.
What weeds does MSMA control?
When used as directed on the label, MSMA can control and eliminate many post-emergent noxious weeds, including crabgrass, dallisgrass, sandburs, and more. We recommend MSMA for dallisgrass treatment, as well as various common weeds. MSMA can be applied with a backpack sprayer, hand-pump sprayer, or spraying rig.
What has replaced MSMA?
What will replace MSMA herbicide? Two products we carry that have an active ingredient closest to MSMA are Quali Pro MSM 25 OD Liquid Herbicide and AmTide MSM 60 DF Herbicide. St. Augustine grass is labeled as a tolerant to both of these products though, as well as Emeral Zoysia. Your best option though, will be to spot treat with Roundup.
Will MSMA kill nutsedge grass?
More than one application may be needed to completely kill nut grass. MSMA has been “the herbicide of choice for postemergence control of nutsedge and other sedges in the lawn for many years,” according to the Mississippi State University Extension Service.