Provided herein are Streptomyces isolates, designated MH71 and MH243, cultures thereof, and compositions comprising the same. Also provided are uses of the isolates, cultures and compositions, for example, for treating and preventing infections and diseases caused by or associated with plant pathogen infections, reducing the susceptibility of plants to diseases caused by or associated with plant pathogen infections, and for inhibiting or reducing the growth of pathogens on plants.
