It is best to store chemicals such as Prime Source Meso 4SC Select in a cool dry place away from extreme temperatures (below freezing and above 85) and direct sunlight. If the product was exposed to below freezing temperatures and it is separating and will not mix back up, then it would be recommended to replace as it may not be as effective.
Prime Source Meso 4SC Select is not labeled to control hairy bittercress. Quincept Herbicide is a great choice for hairy bittercress control as well as a wide variety of other weeds. Be sure to check the Product Label for your grass type to make sure its one of the tolerant species for using this product over it safely.
Prime Source Meso 4SC Select (Generic Tenacity Herbicide) can be tank mixed with Sedgehammer Herbicide for pre and post emergent control of weeds. Refer to the tank mixing instructions on the most restrictive product label before mixing in your sprayer.
Yes, Prime Source Meso 4SC Select contains the same active ingredient as Tenacity. For centipede grass, you would use 5-8 ounces per acre. Please make sure to read the product label for full instructions.
Prime Source Meso 4SC Select (Generic Tenacity Herbicide) will keep for 3-5 years from the date of purchase if stored away from extreme temperatures.
When applying as a pre-emergent you can mix Meso 4SC with a pre-emergent such as Prodiamine 65 WDG for extended control of your weeds. This would be applicable only if you are not overseeding the lawn after your application.
Ideally, the product label suggest 24 hrs with no rainfall or irrigation. As long as the application of Prime Source Meso 4SC Select (Generic Tenacity Herbicide) has had time to completely dry and it was light to medium rainfall where no runoff occurred, your application should be fine.
It is recommended to allow the application of Prime Source Meso 4SC Select Herbicide to completely dry or wait 24 hrs to apply an insecticide following the treatment. View the full product label for more information.
Please Note: Termidor SC is not labeled for lawns and cannot be applied more than 1ft out from the foundation.
Prime Source Meso 4SC Select Herbicide will not control bahiagrass. Depending on your turfgrass type we do have some selective options for warm season turfgrass use.
Unfortunately, there are not any selective post-emergent herbicides for use on dallisgrass in residential lawns. We recommend spot treating existing dallisgrass with a non-selective herbicide such as RoundUp QuikPro and then overseeding any bare spots as needed. If you only have a few clumps, then you can often easily pull or dig them out after rainfall.We recommend using a pre-emergent containing dithiopyr in late winter/early spring to help prevent new dallisgrass, such as Dimension 2EW or Crew Specialty Herbicide