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Q.Cochineal Scale On Cactus – How To Treat Cochineal Scale Bugs General Cactus Care By: Amy Grant

Zone Surprise AZ. 85374 | Anonymous added on June 12, 2022 | Answered

I have tried several different applications all with little if any lasting effect. You mention the below treatment. This is quite the chemical cocktail Can you provide a little more detail on the quantities of each chemical I’ve included some photos of the cactus in question. I have a 2-gal sprayer container. It sounds like you prefer this application. Malathion and triazide combined with Neem oil or Volck dormant oil spray should do the trick. Regards, RJ Pelletier If the cactus seems to be heavily infested, you may have to go with a chemical cochineal scale treatment. Apply a combination of insecticide, dormant oil spray and/or insecticidal soap. Malathion and triazide combined with Neem oil or Volck dormant oil spray should do the trick. Apply according to the manufacturer’s directions. Do not spray on hot, sunny days, as the plant is likely to burn from the dormant oil. If the weather is too hot to use dormant oil, use pesticide mixed with dish soap.

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Certified GKH Gardening Expert
Answered on June 22, 2022

This will be in accordance to the manufacturers instructions on the packaging (including application times and number). The dish soap will only require a drop or two per gallon. (no more than a quarter of a teaspoon will be more than enough.)

This will have to be repeated, as well as manually removing any sealed specimens since it can be difficult to treat when they seal themselves.

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