Do not apply to Concord varieties as injury is likely to occur. May not be effective in all areas due to resistance. Do not feed treated grapes to livestock. Disruptive to predators of mites and parasites of leafhoppers. Partially effective on low leafhopper populations if applied when nymphs are small.
Research indicates soap works better in combination with low rate of oil.
Care must be taken as both products can spot the waxy bloom on the berry. May encourage mite buildup. May not be effective in all areas due to resistance. Very disruptive to natural enemies of mites. To avoid visible deposits on grapes, do not apply after berries reach 0.25 inch diameter.