Keywords Burkholderia cepacia complex;Genomovars;Identification;Rhizosphere;Rice;Maize;Barley;Diversity;Alfalfa;Virulence;Onion;Pathogenicity;Antagonistic;

• 洋葱伯克氏菌;基因型;鉴定;根围;水稻;玉米;大麦;多样性;苜蓿;毒力;洋葱;致病性;拮抗;