Fuente: WIPO "tomato" The present invention provides antimicrobial compositions that comprise pyoverdine, 2,4-diacetylphloroglucinol (2,4-DAPG), pyochelin, pyoluteorin, or a combination thereof. Also provided are methods of using the antimicrobial compositions to inhibit the growth of a microorganism, including methods in which the compositions are used to control bacterial panicle blight of rice, which is caused by the bacterium Burkholderia glumae.