use a liquid kitch soap 1 teasp w 1 qt of water in sprayer for now....after the sun goes down.................and you might need to do it again after it rains..........................
When all the trees leaves drop off in the fall.....there is an oil spray that you can buy....but I use much less..1 teasp per gallon...water.....I have a 15 gallon sprayer.....so I add 15 teasp oil spray, 1 gallon water first....then 1 cup peroxide, 1/4 alcohol, 1 can beer, 1 cup mouthwash and 15 teasp liquid soap and slowly add the rest of the water and stir it well and start the tractor and go. I wear goggles and a face mask with long pants and jacket & gloves.