Insecticidal Soap

Definition - What does Insecticidal Soap mean?

Insecticidal soap is a specially formulated soap that targets pest insects. Pests usually perish from suffocation or dehydration when sprayed with insecticidal soap. The soap disrupts the cellular membrane of the insect and strips away its protective waxes.

Insecticidal soaps are usually safe and less toxic to the environment or animal life than other forms of pest control. Soft-body insect pests such as spider mites, aphids, scale crawlers, thrips, and mealybugs are especially vulnerable to insecticidal soaps.

MaximumYield explains Insecticidal Soap

Insecticidal soaps are used not only for pest control but also to wash away honeydew, black sooty leaf mold, and other debris from a plant’s foliage.

Most types of insecticidal soaps are made from the fatty acid portion of either animal or plant oils. A strong alkali is frequently used to join the potassium salts of the fatty acids together to form the soap's base.

The cells of some plants may suffer injury when exposed to insecticidal soaps so it is always advised that the user carefully read the label on the soap prior to use. When applying insecticidal soap, both the top and under-surface of the leaves should be sprayed. Often a repeat application is needed in four to seven days to successfully control pest infestations.

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