PESTICIDAL COMPOSITIONS

摘要

A composition for the controlled release of an essential oil having pesticidal or fungicidal activity comprises a carrier material for said essential oil and a component that controls the release of said essential oil from the carrier material. One embodiment comprises free-flowing powders wherein the carrier material is an absorbing support material and the release controlling means is selected from wax, polyethylene glycol, glycerol or mineral oil. The other embodiment comprises capsules comprising a core material of an oil which is coated with a protein (preferably gelatin), a carbohydrate or a synthetic polymer.