extremely significantp value = 3.13 × 10 −4
The haplotype association studies of 268 cotton cultivars ( Fang et al., 2017 ) with marker K222 also showed an extremely significant association with an FS trait at Korla, Xinjiang province (p value = 3.13 × 10 −4 , Student's test), Nanjing, Jiangsu province, and Anyang, Henan province, three cotton-growing regions in China ( Figures 1 D and S2 C).