FUNGAL HERBICIDES

摘要

A method of controlling field bindweed plants in agricultural crops which comprises applying to the plants or to the locus of the plants an effective amount of the fungus Phomopsis convolvulus to effect and produce typical lesions in the bindweed plants so as to inhibit the growth of or kill the bindweed plants. A plant growth regulating composition comprising a plant growth regulating effective amount of a culture of microorganisms of the species Phomopsis convolvulus in association with an agriculturally acceptable carrier. A biologically pure culture of the fungal microorganism having the identifying characteristics of Phomopsis convolvulus IMI 312959.