Sulfentrazone 4SC Select is mixed at the rate of 0.18-0.28 oz. per 1000 square feet. This is equivalent to 1-1.6 teaspoons. This will mix in approximately 1-2 gallons of water for spot treating in your Bermuda lawn.
Per the product label, "St. Augustine grass that has been stressweakened can experience temporary leaf surface discoloration (removed upon mowing) upon application of Sulfentrazone 4SC Select . Chemicals, certain cultural practices, disease, mechanical exposure and cultivation and weather can all be causes of stressweakened turf." The application rate is 8 - 12 oz. per acre with a minimum of 10 gallons of water. Sulfentrazone 4SC Select is mixed at the rate of 0.18-0.28 oz. per 1000 square feet. This is equivalent to 1-1.6 teaspoons. This will mix in approximately 1-2 gallons of water for spot treating.
Quinclorac 75 DF is used at the rate of 0.367 oz per 1000 sqft when applied as a broadcast or spot treatment in a minimum of 0.5 gallons of water. If you are spot treating with a specific amount of water, ie 1 gallon you would use the 1 tbsp per gallon. Sulfentrazone 4SC Select is mixed at the rate of 0.18-0.28 oz. per 1000 square feet. This is equivalent to 1-1.6 teaspoons. This will mix in approximately 1-2 gallons of water for spot treating in your lawn. Please perform a jar test and follow each product's label for application.
Sulfentrazone 4L Select is mixed at the rate of 0.18-0.28 oz. per 1000 square feet. This is equivalent to 1-1.6 teaspoons.
Yes, Sulfentrazone 4SC Select can be tank mixed with other herbicides, including Prodiamine 65. Please perform a jar tank test and apply in an inconspicous area first.
According to the product label of Sulfentrazone 4SC Select, "Use of adjuvants or surfactants with Sulfentrazone 4SC Select can cause short-term discoloration of some turf species. Prime Source, LLC does not advise use of Sulfentrazone 4SC Select with surfactants or adjuvants."
You should mow 2 days before applying Sulfentrazone 4SC Select or wait 2 days after to mow if mowing is needed around application time.
Since the application rates are different for Cool Season and Warm Season turfgrasses, you would want to apply at the mid rate between the recommended rate range. The rate for applying Sulfentrazone 4SC Select Herbicide to Cool Season Grasses is 4 to 8 oz. per acre and for Warm Season Grasses is 8 to 12 oz. per acre.
The mid rate recommended for treating both Cool and Warm season turfgrasses would be 8 fl oz per acre which would break down to 0.18 fl oz in atleast ½ gallon of water per 1000 sq ft.
We would advise to wait to irrigate after using Sulfentrazone 4SC Select at least 24-48 hours for best results. Label states the control of listed germinating weed species will be reduced when rain or irrigation follows a period of dry weather.
Allow 35 days between Sulfentrazone 4SC Select Herbicide applications.
should be applied with a hand pump or backpack sprayer as a foliar application. Mix at the rate stated on the product label in enough water to thoroughly treat 1,000 sq ft. According to the label: “The control of listed germinating weed species will be reduced when rain or irrigation follows a period of dry weather. Where there is a prolonged period when rainfall/irrigation is not available, alternative weed control methods should be considered” Its often suggested to use a higher water volume to ensure thorough covergae during application, and to water the lawn prior to the treatment either the moring of the application or the night before.
Per the product label: Best results are obtained from waiting at least 1 month after Sulfentrazone 4SC Select application before sprigging, overseeding or reseeding. If slight plant response can be tolerated, overseeding of Bermudagrass with perennial ryegrass can be done between 2 to 4 weeks after Sulfentrazone 4SC Select application.
Per the product label, "St. Augustine grass that has been stress weakened can experience temporary leaf surface discoloration (removed upon mowing) upon application of Sulfentrazone 4SC Select. Otherwise it is safe to apply to healthy lawns.
Sulfentrazone 4SC Select is a pre and post-emergent herbicide to control of broadleaf, grass, and sedge weeds only. This is not a Surfacant or Spreader Sticker which are commonly added to herbicdes to help the application “stick” to the leaf surfaces.
A surfactant is NOT recommended to be used with Sulfentrazone 4SC Select Herbicide.
Any mixed solution of Sulfentrazone 4SC Select or any herbicide should be used within 24 hours of mixing with water, after that time any left over product should be discarded.
Sulfentrazone 4SC is not used as a true pre-emergent it only has pre-emergent properties when applied as a post. The control of listed germinating weed species will be reduced when rain or irrigation follows a period of dry weather but it will not provide long term true pre-emergent control for an extended amount of time.
Pennant Magnum is one of the only selective pre emergents labeled for annual sedge and yellow nutsedge, otherwise you would treat actively growing nutsedge with a post emergent such as Sedgehammer or Dismiss NXT.
In general, using Dimension 2EW or Prodiamine 65 WDG for all around pre emergent control will help improve the overall health of your lawn therefore reducing the conditions for weeds to thrive.
Sulfentrazone 4SC Select is labeled to be used on St. Augustine lawn but the label doesn't specify Floratam as tolerant or restricted.
The product label does adivse that "St. Augustine grass and some varieties of bahiagrass, rough bluegrass or zoysiagrass, particularly turfgrass that has been stress-weakened can experience temporary leaf surface discoloration (removed upon mowing) upon application of Sulfentrazone 4SC Select. Chemicals, certain cultural practices, disease, mechanical exposure and cultivation, and weather can all be causes of stress-weakened turf."
Yes, Sulfentrazone 4SC Select Herbicide can be applied to St. Augustine however per the product label, "St. Augustine grass that has been stress-weakened can experience temporary leaf surface discoloration (removed upon mowing) upon application of Sulfentrazone 4SC Select.
The application rate is 8 - 12 oz. per acre with a minimum of 10 gallons of water. Sulfentrazone 4SC Select is mixed at the rate of 0.18-0.28 oz. per 1000 square feet. This is equivalent to 1-1.6 teaspoons. This will mix in approximately 1-2 gallons of water for spot treating.
Chemicals, certain cultural practices, disease, mechanical exposure and cultivation and weather can all be causes of stress-weakened turf."
Sulfentrazone 4SC Select is not labeled for application to brome grass. It is not a tolerable species listed so injury may occur.
No, a surfactant is not recommended with Sulfentrazone 4SC Select Herbicide.
Per the product label, "Use of adjuvants or surfactants with Sulfentrazone 4SC Select can cause short-term discoloration of some turf species. Prime Source, LLC does not advise use of Sulfentrazone 4SC Select with surfactants or adjuvants."
