The best time to apply merit granules is before or during the insect egg laying and hatching periods. Late june to early august is the best time to apply a preventive insecticide.
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The active ingredient in merit remains in the grass plant for approximately 90 to 110 days.
When to apply merit to lawn. Both drop type and rotary type spreaders may be used to apply merit 0 3 g insecticide. Merit systemic granule applications made to lawns in july and early august will have the best control. Low use rates provide a high level of applicator and environmental safety.
Apply merit granular only once per year as directed by this label. If merit granular was applied to a turfgrass area earlier in the summer season for japanese beetle or european chafer or black turfgrass. Contact your local county extension office if you need to know the exact time to apply white grub control products in your area.
Apply merit 0 3 g insecticide uniformly over the area being treated with normally used granular application equipment. Merit even improves the quality of your turf. Preventive insecticides available to homeowners include imidacloprid merit grub ex and halofenozide mach 2 grub b gon.
Avoid mowing turf or lawn area until after irrigation or rainfall has occurred so that uniformity of application will not be affected. High level of efficacy against turf ornamental and tree pests. Merit 0 5 g is for broadcast application on and around turfgrass ornamentals trees shrubs flowers groundcovers and in and around commercial or residential buildings.
Merit granules help take some of the guess work out of when to apply your pesticide. Usually this application needs to be made in late spring usually sometime between may and late june. Merit insecticide granules can be applied at any time but if you are looking to control white grubs then you want to apply it several weeks before egg match of the target pest.
We suggest applying merit granules within 24 hours of rainfall for maximum results. Several insecticides are available to commercial applicators for prevention of white grubs. Do not use spreaders that would apply the material in concentrated bands.
I got it as after applying a 24 0 11 spring fertilizer i typically have to give it a boost around the middle of july to hopefully counter the lack of real rain we get in the area during the july and august months as well as top off the greening of the nitrogen that seems to dye out about that time too. Merit provides outstanding residual control. I recently bought a bag of lesco merit 0 2 plus fertilizer 24 0 8.
More than 80 pounds of merit granules cannot be applied on an acre per year. Apply merit 0 5 g uniformly over area being treated with normally used granular application equipment.
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