Diluted - at the rate of 1 to 2 teaspoons for a liter of lukewarm water - and sprayed on foliage , it eliminates aphids . Adding 1 teaspoon of 70 ° alcohol or alcohol and 1 teaspoon of rapeseed oil, it will work against mealybugs , in the garden and on houseplants (Magellan, Le Jardin Nature).
A savoi r: Rinse your plant a few hours later by not allowing the soap to permeate the soil. It is best to cover it under a plastic film during treatment .
Efficiency : the recipe works well if treated as soon as the first insects appear. In case of a strong attack, the result is less convincing.