| QTL | 环境 Environment | SNP | 等位基因* Alleles | 位置* Position/bp | 模型 Model | 染色体 Chromosome | -lgP | PVE/% |
|---|---|---|---|---|---|---|---|---|
| qLP_Gh5.18 | E1, E2, E3, E4, E5, BLUP | snp497745 | G/A | 108 999 846 | 1, 2, 3, 4 | A05 | 11.00 | 14.35 |
| qLP_Gh12.43 | E1, E2, E3, E4, E5, BLUP | snp1691332 | A/G | 106 749 618 | 1, 2 | A12 | 7.47 | 9.69 |
| qLP_Gh17.2 | E1, E2, E3, E4, E5, BLUP | snp2180718 | T/C | 3 864 566 | 1, 2, 3, 4 | D04 | 7.12 | 10.69 |
| qBW_Gh7.5 | E1, E4, BLUP | snp852852 | A/G | 91 011 955 | 1, 2 | A07 | 6.88 | 8.89 |
| qBW_Gh19.5 | E1, E5, BLUP | snp2428027 | G/A | 64 376 502 | 1, 2, 3, 4 | D06 | 6.15 | 7.89 |
Fig. 2 Population structure, phylogeny, principal component analysis and linkage disequilibrium decay analysis of 300 upland cotton materials A: Optimal number of subgroups by cross-validation; B: Phylogenetic tree; C: Population structure analysis with K = 6; D: PCA analysis; E: Linkage disequilibrium decay.
Fig. 4 Analysis of the LP-related QTL qLP-Gh5.18 on chromosome A05 A: Manhattan plot of association mapping of LP based on BLUP value in GLM (Q) model. Chromosomes 1 to 13 represent chromosomes A01 to A13, and 14 to 26 represent chromosomes D01 to D13. B: Localized Manhattan plot around the peak region on chromosome A05, with red arrows indicating snp497745. C: Boxplot of LP based on the snp497745 genotype. Significance analysis was performed; **** represent significance at the 0.000 1 probability level. D: LD heat map of SNP in the 108.85-109.11 Mb interval.
Fig. 5 Analysis of the LP-related QTL qLP-Gh12.43 on chromosome A12 A: Manhattan plot of association mapping of LP based on E5 in GLM (P) model. B: Localized Manhattan plot around the peak region on chromosome A12, with red arrows indicating snp1691332 in qLP-Gh12.43. C: Boxplot of LP based on the snp1691332 genotype; **** represent significance at the 0.000 1 probability level. D: LD heat map of SNP in the 106.57-106.82 Mb interval.
Fig. 6 Analysis of the LP-related QTL qLP-Gh17.2 on chromosome D04 A: Manhattan plot of association mapping of LP based on BLUP value in GLM (Q) model; B: Localized Manhattan plot around the peak region on chromosome D04, with red arrows indicating snp2180718 in qLP-Gh12.43; C: Boxplot of LP based on the snp2180718 genotype; **, ***, and **** represent significant difference at the 0.01, 0.001, and 0.000 1 probability levels, respectively. D: LD heat map of SNP in the 3.80-3.96 Mb interval.
Fig. 7 Analysis of the BW-related QTL qBW-Gh7.5 on chromosome A07 A: Manhattan plot of association mapping of BW based on BLUP value in GLM (P) model. B: Localized Manhattan plot around the peak region on chromosome A07, with red arrows indicating snp852852 in qBW-Gh7.5. C: Boxplot of BW based on the snp852852 genotype; ** represents significant difference at the 0.01 probability level. D: LD heat map of SNP in the 90.83 - 91.18 Mb interval.
Fig. 8 Analysis of the BW-related QTL qBW-Gh19.5 on chromosome D06 A: Manhattan plot of association mapping of BW in E5 and GLM (Q) model. B: Localized Manhattan plot around the peak region on chromosome D06, with red arrows indicating snp2428027 in qBW-Gh19.5. C: Boxplot of BW based on the snp24280272 genotype; * represents significant difference at the 0.01 probability level. D: LD heat map of SNP in the 64.22 - 64.56 Mb interval.