Population structure and genetic diversity of Magnaporthe grisea from rice in Jiangsu Province
Seventeen genetic lineages of M.grisea were measured by Pot2-rep-PCR fingerprints.Among them,JSL-11 is dominant lineage in Jiangsu Province.Variation of M.grisea lineages from rice in Jiangsu Province was not obvious from 1997 to 1999.Distribution of M.grisea lineages had some differences in different rice-planted regions of Jiangsu Province,but they were related with the distribution of rice varieties.It is suggested that population structure and distribution of M.grisea lineages is favorable for guiding breeding and application of resistance rice varieties.