The invention discloses 
burkholderia cepacia SD7 and a culturing method and application thereof. The 
bacterial strain is preserved in China General 
Microbiological Culture Collection Center on October 24th, 2001, and the preservation number is CGMCC No.5384. Through research, the 
bacterial strain has strong inhibiting effect on 
rhizoctonia solani, collectotrichum musae, 
pyricularia grisea, 
gibberella zeae, 
fusarium oxysporum f. sp. cubense, peronophythora litchi, ustiago scitamimea syd, fulvia fulva, 
xanthomonas oryzaepv.oryzae, 
xanthomonas oryzae pv. Oryzicola, and the like, is broad-spectrum antagonistic 
bacteria, can be used for preventing and treating a plurality of 
plant diseases, particularly has better preventing and treating effect for banana fruit anthracnose and rice 
sheath blight, has the advantages of harmlessness to person and animals, 
environmental protection and safety, good environmental compatibility, and difficulty in becoming resistant, is good for 
business development, and has broad application prospect.