Dry the plant after applying the pesticide. Small plants should be excavated to check the roots for cottony growths or actively feeding mealybugs.
Because mealybugs can reside in soil it may be a good idea to repot your plant in fresh sterile soil.
Mealybugs in soil treatment. To make soil uninhabitable for future mealy bug infestations mix about 1 4 tablespoon of diatomaceous earth with every liter of soil. Neem oil spray is very effective to ward off any mealy bug attack. You can also use alcohol to disinfect the inside of the pot before adding a new potting mix.
Step 1 pour 4 teaspoons of liquid dish soap into a spray bottle. This helps to ensure that you get rid of all traces of these pesky bugs for good. The rubbing alcohol will kill the bugs on contact but in order for it to be effective it must come in direct contact with the mealybugs.
Effective treatment for root mealybug root mealybug can become a serious pest and can be found on the roots of host plants. This treatment can eradicate the mealybugs and any other kind of pest infestation or fungal growth gradually after a few uses. As they only reside in the root area they often go undiagnosed generally they hang out between the root ball and the pot.
Mealybugs tend to hide in hard to reach places so it s important you completely cover the plant you re treating with the rubbing alcohol. Also spray it onto the soil surface and soak the soil with the solution to make sure you kill off any bugs that are hiding in the soil. Avoid over fertilization of the plant mealy bugs thrive on nitrogen rich soil so it is better to avoid over fertilization of the plant with nitrogen rich fertilizer.
3 use a spray bottle to apply rubbing alcohol to large plants. Pesticide soil drenches are the only reliable treatment in the landscape. Fill the spray bottle with rubbing alcohol and spray it over the surface of large plants that are infested with mealybugs.
Fill this solution in a spray bottle and spray this on the affected plants. Use about 1 tablespoon per one liter of soil. Spray the plant with an oil spray or soap spray to prevent any mealy bug.
Add 1 1 2 tablespoon of neem oil 1 tablespoon of mild liquid soap in a liter of lukewarm water. Often for positive identification you will have to lift out the plants and inspect the root area. Pasteurize soil before repotting.
Homemade sprays eradicate and kill mealybugs and many other soft bodied pests including aphids and whiteflies. This won t reach the mealybugs that are deep in the soil eating the roots but it will kill off any mealybugs that are near the soil surface. How to treat mealybugs on plants one way to kill mealybugs on houseplants is by touching them with a cotton swab that s been soaked in rubbing alcohol.
For more widespread mealybug infestations make a homemade insecticide spray. To treat for soil mealy bugs you will have to repot your african violet in a soil that has been mixed with diatomaceous earth.