Note: The name of each provincial is indicated in three abbreviated
capital letters. Anhui: ANH; Fujian: FUG; Guangdong: GUD; Guangxi: GUX;
Hainan: HAN; Henan: HEN; Hunan: HUN; Jiangsu: JIS; Jiangxi: JIX;
Sichuan: SIC;
Table 2 Genetic diversity and neutrality test of mtDNA COI gene amongMeloidogyne graminicola groups