Five primer groups were screened in 6 shiroes of T. giganteum. Among 202 DNA fragments amplified 151 were polymorphic, the percentage of polymorphic bands (PPB) was 74.75%.

• 筛选的5组引物在大白口蘑6个菌塘的56朵子实体中检测到202个位点；其中多态位点151个；多态位点百分比PPB为74.；75%25。