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Merit 2F Insecticide - Questions & Answers

Learn more about Merit 2F Insecticide

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Merit 2F Insecticide
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Displaying 41 to 59 (of 59 questions)
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  • Asked by Ann from Nh
    09/14/2024
    Q
    Using Merit 0.5 granular, what formula to use to treat a 36" caliper ash tree for emerald ash borer?
    A
    Merit Granules can be used for trees but is only labeled to treat white grubs when used for tree applications.  Granules don't go very deep in the soil and work best for shallow rooted plants and turf.  For trees the liquid Merit 2F Insecticide would be a better option to use following the instructions on the product label for a soil drench application.
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  • Asked by Keith from Wantagh Ny
    08/07/2024
    Q
    Can I use this product to control spotted lanternfly. If so, how long is the residual effect ?
    A

    No, Merit 2F Insecticide is not specifically labeled for spotted lanternflies. Instead, you may use a product such as Talstar P. Please be sure to review the Talstar P 2(ee) Spotted Lantern Fly Label for more information and complete application instructions.

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  • Asked by Greg from Grafton, Ma
    05/29/2019
    Q
    Would Merit 2F control a gypsy moth infestation on oak trees? If so, when would be best time to apply?
    Gypsy moth caterpillars have been decimating the 60+ oak trees on property. Have been using bands treated w/ Suspend SC which will stop ones that come into contact w/ band but does not control caterpillars 50' up tree. What is best way to treat caterpillars 50' up tree? Thank you
    A

    Merit 2F Insecticide is not labeled for gypsy moth caterpillars, so we do not recommend it for this application. Typically for caterpillars, you would use a Bt product such as Monterey BT or DiPel PRO DF. These products must be applied topically to control the caterpillars. Unfortunately, we do not know of a systemic insecicide that will control this pest.

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    0 of 1 people found this answer helpful.
  • Asked by Mark from Perris, Ca
    02/18/2016
    Q
    How do I dilute Merit 2F Insecticide for use on grapes?
    I have 200 grape vines. How much Merit would be used in 5 gallons of water to do a ground soak around trunk of vine to get an equivalent of 32 ounces per acre.
    A

    Merit 2F is only labeled to be used on grapes for leafhoppers and mealybugs.  Per the product label the rate is 1.5 fl oz per 100 gallons, this breaks down to about 0.015 oz per gallon.  If you need to treat for anything other than the listed pests we would recommend ImidaPro 4SC which is labeled for a few other pests.  If you need to treat for any other pest not listed on the label we suggest you contact your local Department of Agriculture to find the best solution for you.

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    0 of 2 people found this answer helpful.
  • Asked by Mike from Wake Forest, Nc
    05/16/2016
    Q
    When are the best times to apply the Merit 2F Insecticide to a lawn for grub control?
    I'm in North Carolina, when is the best times to apply product.
    A

    According to the product label, the best time to apply the Merit 2F Insecticide for optimum grub control make applications prior to egg hatch of the target pest. We suggest to contact your local cooperative extension office in your county for more specific times of application.

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    0 of 1 people found this answer helpful.
  • Asked by Kelly from Minneapolis
    05/01/2017
    Q
    How do I kill pachypsylla in mature hackberry trees?
    We have thousands of these small creatures that hang around our windows in the fall.
    A

    Yes, you could apply a systemic product such as Merit 2F Insecticide as foliar sprays only help when they are in certain stages on the hackberry tree. The sytemic product would normally take a couple of weeks to translocate all the way through the tree, so a foliar spray may help in the mean time until the product works its way through the center.  We highly suggest using it again before symptoms start to appear to prevent your trees damage the next year. Adult psyllids emerge from galls in September and can be annoying to people living near infested trees. Psyllids will swarm to houses, particularly light-colored ones, in search of protected locations to pass the winter. When the weather warms up, they come out of dormancy and become a nuisance. They do not bite humans or pets.

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  • Asked by Genje from Arnaudville, Louisiana
    06/21/2017
    Q
    Can I use Merit 2F for Armored Scale on a magnolia?
    A

    Yes, Merit 2F is labeled for suppression of Armored Scale. According to the product label, the mix rate is 0.1 to 0.2 fl oz per inch of trunk diameter (D.B.H) and can be applied by either soil injection or soil drench. Please refer to the product label for instructions. 

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    0 of 1 people found this answer helpful.
  • Asked by Michael from Mi
    08/03/2017
    Q
    Should I foliar spray or root drench with Merit 2F for root aphids in my garden?
    A

    Merit 2F Insecticide should be applied as a soil drench for root aphids as directed on the product label.  Keep in mind that Merit 2F is not for use on edible plants.

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    0 of 1 people found this answer helpful.
  • Asked by Jeff from Zanesville, Oh
    03/29/2018
    Q
    It is raining lightly, can I apply the Merit 2F Insecticide in the rain?
    A

    It is not recommended to apply Merit 2F Insecticide during rain.  Normally as long as an insecticide like Merit 2F has had at least 6 hours of dry time after it has been applied, then it is considered rain fast to most rain conditions that would come afterwards. If it rained as early as 4 hours after application you may need to reapply. 

     

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    0 of 1 people found this answer helpful.
  • Asked by Tom from Langhorne,pa
    06/05/2018
    Q
    How much Merit 2F Insecticide should be mixed per gallon of water for spraying roses for Midges?
    A

    Merit 2F Insecticide is not labeled for midges therefore we would not be able to advise on a proper dilution rate. Bayer Advanced Dual Action Rose and Flower Insect Killer Continuous Spray is labeled for Midges on roses. 

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    0 of 2 people found this answer helpful.
  • Asked by John from Oakland County
    04/11/2019
    Q
    Can I use Merit 2F on Canadian Hemlocks as foilar spray or soil drench?
    A

    Merit 2F Insecticide can be applied as directed for a foliar application or as a soil drench. Please consult the product label for complete application instructions.

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  • Asked by Tom from Jonesboro
    06/01/2022
    Q
    Can Merit 2F Insecticide be used for soil drench applications on oak, maple, leyland cypress and cherry trees for preventative measures?
    A

    Merit 2F Insecticide can be used a a drench, however it is only labeled for apple tree and not for cherry trees. For cherry trees we would recommend a product like Monterey Fruit Tree and Vegetable Systemic Soil Drench.


     
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  • Asked by Terence from Chandler, Tx
    07/29/2019
    Q
    How much Merit 2F in a 500 gallon sprayer for armyworms?
    A

    Merit 2F Insecticide is not specifically labeled for armyworms. We would recommend using Bifen IT at 1 oz. per gallon of water per 1,000 sq ft.

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  • Asked by Roman from Albuquerque
    04/01/2020
    Q
    When used systemically will Merit 2F Insecticide kill pollinators on the tree treated?
    Many customers are inquiring about this, please answer. On flowers for example.
    A

    The answer is yes. If pollinators forage in trees that are flowering after Merit 2F Insecticide has been applied it can impact them. 

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    0 of 1 people found this answer helpful.
  • Asked by Heather from Rotonda West, Fl
    04/03/2020
    Q
    Merit 2F vs. Bayer Advanced 12 Month Tree/Shrub Insect Control, how long does Merit 2F last as a soil drench?
    A

    Merit 2F Insecticide can typically last 1 year but some users apply twice in a year as a soil drench to plants/trees.  It depends on the growth of the plants/trees you are applying to.  Bayer Advanced 12 Month Tree/Shrub Insect Control contains the same active ingredient but is consumer grade so not as strong as Merit which is professional grade.

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  • Asked by Kevin from Selbyville, De
    11/07/2020
    Q
    Can Merit 2F be used on ornamentals?
    Can Merit be used to control tent caterpillars on crape myrtles?
    A

    Yes, as long as it's used as directed, Merit 2F can be used on turfgrass as well as on ornamentals but it is not labeled for caterpillars. To treat tent caterpillars, you can use Suspend SC, which can also be used on ornamentals.

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  • Asked by Joe from Gering, Nebraska
    02/18/2021
    Q
    Would Merit 2F Insecticide still be effective if has frozen during shipment?
    A

    For best results, Merit 2F should be stored at or near room temperature.  If it arrived frozen we recommend that you contact the retailer where it was purchased. 

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  • Asked by Jayson from Charlotte, Nc
    05/17/2021
    Q
    How long after seeding can I apply Merit 2F Insecticide?
    A

    Merit Granules are safe to apply to any type of new seed. The manufacturer stated that since it is an insecticide it will not harm lawns.
     

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  • Asked by Bob from Naples, Fl
    10/05/2021
    Q
    How much Merit 2F Insecticide per gallon of water?
    A

    Merit 2F rates will vary depending on the target pest and application area.  Please refer to the product label for complete instructions on your target issue.

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    0 of 1 people found this answer helpful.
Displaying 41 to 59 (of 59 questions)