In order to obtainfundamental informationofmycorrhizal fungi resources inginger field soil,to select and utilize the elite AM fungi strains,the distribution of arbuscular mycorrhizal( AM) fungi was investigated in rhizospheric soils grown withboth healthy and Pseudomonaa solanacearuminfected ginger plants in Liujiang,Guangxi. The rhizospheric soil samplesof 5- 20 cm from surface were collected,and AM fungal spores were separated using wetting sieve decantation and sucrose centrifugation method,and identifie...