A composition for controlling a plant disease caused by a plant pathogenic bacterium is disclosed. The composition comprises an activity for inhibiting the growth of the plant pathogenic bacterium and is extracted in an aqueous solvent from particles of malted cereal grain. The composition is used either in dry or wet form by application to plant parts, such as potato seed pieces, that are to be protected from the pathogenic bacteria.
CONTRACTUAL ORIGIN OF THE INVENTION
The United States Government has rights in this invention pursuant to Contract No. DE-ACO7-94ID13223 between Lockheed Martin Idaho Technologies Company and the United States Department of Energy.