Product Q&A

Answer:

Merit 0.5 G Insecticide Granules is not labeled for leaf miner nor for us on ornamentals for anything other than white grubs.  You would need a liquid for shrubs and trees such as the Dominion 2L Termiticide. 
 
When applying this systemic product as a drench for leafminers you will mix 0.1 - 0.4 fl oz per inch of the trunk diameter. Apply uniformly around the base of the tree in no less than 10 gallons of water per 1000 square feet. Direct application to the root area.  Most people use a 5 gallon bucket or a large watering can to apply Dominion as a soil drench.  The amount of water that is used will vary depending on soil conditions and volumes that are easy for applicators to use. The minimum amount of water that should be used is 1 pint per inch of trunk diameter for trees but you may use 1 quart -1 gallon of water per inch of trunk diameter for trees. Denser soils such as clay do not accept water as readily, so the lower volume of water is suggested.  Since sandy soils can accept more water, using the higher volume of water is preferred. After the soil drench has been applied you should water it in with at east 1/2 inch of water. Note: Water simply acts as a carrier and it is important that even distribution of the product is achieved.
 
You could also incorporate a product like Talstar P for a foliar application of leafminers using 0.5 to 1 oz per gallon of water per 1,000 sq.ft.

Answer last updated on: 02/21/2023

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