Patent ID: 6174920
Filing Date: 2001-01-16
Classification: A01N,Y10S

Abstract:
A method of eradicating an existing infection of powdery mildew on a plant said method comprising:spraying onto the surface of a plant with an existing infection of powder mildew an aqueous emulsion of a wax ester or mixture of wax esters in an amount effective to reduce the powdery mildew by at least 50% in the absence of the wax ester, wherein at least 50% v/v of the wax ester consists of an esterification product of monoethylenic acids having 18 to 24 carbons and monethylenic alcohols having 18 to 24 carbons, with the proviso that spraying is conducted when i) the ambient temperature is below 80 degrees Fahrenheit and is not conducive to white fly infestations and ii) the plant is not exhibiting anthesis.