Type III effectors play a vital role in the establishment of symbiosis. In this study, positive and negative effects NopT on nodulation were detected 30 soybean germplasms. The quantitative trait loci (QTL) related to nodule number identified their responses recombinant inbred lines chromosome segment substitution evaluated. Ten QTL chromosomes 02, 05, 06, 10, 13. One overlapping region 02 was ...