| QTL | 染色体 Chromosome | 位置 Position/bp | 性状 Trait | 已报道的关联性状及位置 Reported association traits and position |
|---|---|---|---|---|
| qLP_Gh2.55 | A02 | 98 723 355~102 266 957 | LP | LP, 99 319 356~99 719 356[ |
| qLP_Gh7.15 | A07 | 95 527 161~95 527 541 | LP | LP, 95 275 753~95 710 761[ |
| qLP_Gh14.6 | D01 | 10 447 552~10 626 156 | LP | LP, 10 658 260~11 068 260[ |
| qLP_Gh15.9 | D02 | 67 202 370~67 203 538 | LP | LP, 66 951 737~67 539 510[ |
| qLP_Gh16.8 | D03 | 43 958 623~44 009 925 | LP | LP, 43 621 808~44 418 254[ |
| qLP_Gh19.7 | D06 | 19 142 449 | LP | LW, 18 802 609~19 202 609[ |
| qLP_Gh24.2 | D11 | 5 441 073~6 333 920 | LP | LP, 5 886 403~6 332 265[ |
| qLP_Gh26.1 | D13 | 1 760 772~1 902 568 | LP | LP, 1 586 352~2 134 846[ |
| qLP_Gh26.8 | D13 | 56 480 818~56 745 986 | LP | LP, 55 659 215~56 563 074[ |
| qBW_Gh7.5 | A07 | 91 011 955~91 208 953 | BW | BW, 90 557 652~91 477 395[ |
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.