Crops ›› 2023, Vol. 39 ›› Issue (5): 1-9.doi: 10.16035/j.issn.1001-7283.2023.05.001

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QTL Mapping for Fiber Quality Traits Using Gossypium barbadense Chromosome Segment Introgression Lines

Li Xinghe(), Wang Haitao, Liu Cunjing, Tang Liyuan, Zhang Sujun, Cai Xiao, Zhang Xiangyun, Zhang Jianhong()   

  1. Institute of Cotton, Hebei Academy of Agriculture and Forestry Sciences/Key Laboratory of Biology and Genetic Improvement of Cotton in Huanghuaihai Semiarid Area, Ministry of Agriculture and Rural Affairs/Hebei Branch of National Cotton Improvement Center, Shijiazhuang 050051, Hebei, China
  • Received:2022-04-18 Revised:2023-04-11 Online:2023-10-15 Published:2023-10-16

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Abstract:

Breeding of superior fiber quality cotton is the focus of current cotton breeding. Gossypium barbadense chromosome segment introgression lines (CSILs) are important materials for QTL mapping of fiber quality traits and directional improvement of fiber quality in cotton. In present study, a Hai 7124 introgression lines with Jimian 262 as background were developed, and the correlation analysis and QTLs mapping of five fiber quality traits were performed by CSIL population. The results showed that the significantly positive correlations among the average fiber length of the upper half (FL), the fiber strength (FS) and uniformity index (FU) were observed, and extremely positive correlation between FS and FU. While, a significant negative correlation between FS and FE was detected. It indicated that QTL overlap or linkage between fiber traits might exist. A total of 459 pairs of SSR markers anchored on all 26 chromosomes were used for QTL mapping analysis. Totally, 155 QTLs for five fiber quality traits were identified with explained the phenotypic variation rate of each QTL ranged from 6.57% to 38.72%. These QTLs were located on 13 chromosomes of the At subgroup and seven chromosomes of the Dt subgroup. An average of 7.75 QTLs were detected on each chromosome, among which there were 30 QTLs on Chr.D5, seven QTLs related to FL, MIC and FE, six QTLs related to FU, and three QTLs related to FS. Only one QTL related to FE was detected on Chr.A9. The QTLs identified in this study were partially overlapped or consistent with the reported fiber quality loci, and the linked molecular markers will play an active role in the breeding of high quality cotton varieties.

Key words: Chromosome segment, Introgression lines, QTL mapping, Fiber quality, High-quality cotton

Table 1

Parents values of fiber quality traits in the BC4F2:3 population (Xiaoanshe, 2018)"

性状
Trait		 冀棉262
Jimian 262		 海7124
Hai 7124		 染色体片段导入系Chromosome segment introgression lines
平均值±标准差Mean±SD 幅度Range 偏度Skewness 峰度Kurtosis
上半部平均长度Fiber length (mm) 28.87 33.70 29.48±1.40 24.96~34.44 0.14 -0.07
断裂比强度Fiber strength (cN/tex) 27.30 38.90 27.54±2.41 21.10~35.35 0.33 -0.59
马克隆值MIC 5.12 4.03 4.88±0.49 3.42~6.49 0.03 -0.71
整齐度指数Fiber uniformity (%) 84.80 87.10 84.59±1.29 80.70~89.80 0.01 -0.41
伸长率Fiber elongation (%) 8.30 11.60 8.64±0.73 6.80~12.70 0.19 -0.56

Fig.1

The frequency distribution of fiber quality traits M: mean, SD: standard deviation"

Table 2

Correlation coefficients (Pearson) among fiber quality traits in the BC4F2:3 population"

性状
Trait		 上半部
平均长度
Fiber
length		 断裂比
强度
Fiber
strength		 马克
隆值
MIC		 整齐度
指数
Fiber
uniformity
断裂比强度Fiber strength 0.622**
马克隆值MIC -0.141 0.100
整齐度指数Fiber uniformity 0.652** 0.630** 0.277*
伸长率Fiber elongation -0.254* -0.298** -0.184 -0.266*

Table 3

Distribution of QTL clusters"

序号
Code		 标记区间
Adjacent marker		 关联性状
Related trait		 位置区间
Approximate
position (cM)		 QTL数量
Number
of QTL		 QTL 位置
Position
(cM)		 解释表型变异率
Explain the phenotypic
variation rate (%)		 加性效应
Additive
effect
A1-cluster-1 NAU2437-HAU3193 FL+FU+MIC+FE 13.3~22.8 4 qFE-A1-1 17.31 24.18 4.71
qFL-A1-1 17.31 26.76 15.31
qFU-A1-1 17.31 27.48 43.07
qMIC-A1-1 17.31 25.13 2.89
A1-cluster-2 HAU3193-NAU3533 FL+FU+MIC+FE 22.8~63.9 4 qFU-A1-2 37.81 27.48 43.07
qFL-A1-2 38.81 26.76 15.31
qFE-A1-2 41.81 24.18 4.71
qMIC-A1-2 41.81 25.13 2.89
A2-cluster-1 NAU5499-CGR5688 FL 19.0~44.7 1 qFL-A2-1 26.01 26.76 15.31
A2-cluster-2 BNL2651-HAU0306 FL+FU+FS 54.2~67.0 3 qFL-A2-2 57.21 26.76 15.31
qFU-A2-1 57.21 27.48 43.07
qFS-A2-1 57.21 25.20 14.33
A3-cluster NAU3016-NAU3083 FU+FS+MIC+FE 105.9~142.7 4 qFU-A3-1 128.91 27.48 43.07
qFS-A3-1 128.91 25.20 14.33
qMIC-A3-1 128.91 25.13 2.89
qFE-A3-1 128.91 24.18 4.71
A4-cluster NAU1151-NAU2235 FU+FS 0.0~14.1 2 qFU-A4-1 4.01 30.00 42.95
qFS-A4-1 4.01 29.86 14.31
A5-cluster-1 NAU3382-NAU1127 FL 48.1~62.2 1 qFL-A5-1 50.71 26.76 15.31
A5-cluster-2 BNL3992-NAU3014 FL+FS+FE 108.2~116.6 3 qFL-A5-2 111.81 6.57 3.86
qFS-A5-1 111.81 6.66 3.74
qFE-A5-1 111.81 6.66 1.24
A5-cluster-3 CIR062-HAU1034 FL+FU+FS 120.2~133.0 3 qFL-A5-3 126.81 30.17 15.34
qFU-A5-1 126.81 30.68 43.03
qFS-A5-2 126.81 29.57 14.49
A6-cluster BNL2569-CIR203 FL+FU+FS+MIC+FE 110.0~118.2 8 qFL-A6-1 111.01 31.09 15.34
qFL-A6-2 116.51 7.30 3.54
qFU-A6-1 111.01 31.49 43.00
qFS-A6-1 111.01 30.19 14.41
qFS-A6-2 117.51 11.19 5.00
qMIC-A3-1 111.01 29.63 2.90
qFE-A6-1 111.01 28.79 4.76
qFE-A6-2 117.51 8.67 1.36
A7-cluster NAU2564-NAU4082 FL+FU+FS+MIC+FE 7.7~32.2 5 qFL-A7-1 27.71 37.87 15.32
qFU-A7-1 27.71 38.72 43.00
qFS-A7-1 27.71 37.28 14.43
qMIC-A7-1 27.71 35.96 2.89
qFE-A7-1 27.71 35.27 4.76
A8-cluster-1 CGR5759-CIR343 FL+FU+MIC+FE 36.2~44.6 4 qFL-A8-1 38.71 26.76 15.31
qFU-A8-1 38.71 27.48 43.07
qMIC-A8-1 38.71 25.13 2.89
qFE-A8-1 38.71 24.18 4.71
A8-cluster-2 BNL3474-CGR5363 FL+FU+MIC+FE 52.2~70.4 7 qFU-A8-2 58.91 27.48 43.07
qFE-A8-2 58.91 24.18 4.71
qFL-A8-2 64.31 26.76 -15.31
qFU-A8-3 64.31 27.48 -43.07
qFS-A8-1 64.31 25.20 -14.33
qMIC-A8-2 64.31 25.13 -2.89
qFE-A8-3 65.91 24.18 -4.71
A9-cluster HAU3241-HAU3365 FE 85.9~93.9 1 qFE-A9-1 86.91 27.53 4.77
A10-cluster NAU3574-STV031 FL+FU+FS+MIC+FE 72.5~113.7 10 qFL-A10-1 74.51 26.76 15.31
qFU-A10-1 74.51 27.48 43.07
qFS-A10-1 74.51 25.20 14.33
qMIC-A10-1 74.51 25.13 2.89
qFE-A10-1 74.51 24.18 4.71
qFL-A10-2 87.91 26.76 15.31
qFU-A10-2 87.91 27.48 43.07
qFS-A10-2 87.91 25.20 14.33
qMIC-A10-2 87.91 25.13 2.89
qFE-A10-2 87.91 24.18 4.71
A11-cluster-1 JESPR201-DPL0103 FL+FU+FS+MIC 81.5~86.7 4 qFL-A11-1 83.51 26.76 15.31
qFU-A11-1 83.51 27.48 43.07
qFS-A11-1 83.51 25.20 14.33
qMIC-A11-1 83.51 25.13 2.89
A11-cluster-2 BNL1408-JESPR296 FL+FU+MIC 92.3~100.9 3 qMIC-A11-2 96.31 25.13 2.89
qFL-A11-2 98.41 26.76 15.31
qFU-A11-2 98.41 27.48 43.07
A11-cluster-3 NAU2599-NAU5505 FL+FU+FS+MIC 105.4~116.0 4 qFL-A11-3 113.41 26.76 15.31
qFU-A11-3 113.41 27.48 43.07
qFS-A11-2 113.41 25.20 14.33
qMIC-A11-3 113.41 25.13 2.89
A12-cluster-1 DPL0057-NAU3561 MIC 4.9~18.5 1 qMIC-A12-1 10.91 25.13 2.89
A12-cluster-2 NAU1151-NAU5492 FU+FS+FE 98.9~104.4 3 qFU-A12-1 100.91 27.48 43.07
qFS-A12-1 100.91 25.20 14.33
qFE-A12-1 100.91 24.18 4.71
A12-cluster-3 NAU3713-NAU5204 FU+FS+MIC+FE 109.6~114.8 4 qFU-A12-2 110.61 27.48 43.07
qFS-A12-2 110.61 25.20 14.33
qMIC-A12-2 110.61 25.13 2.89
qFE-A12-2 110.61 24.18 4.71
A13-cluster BNL4029-NAU4104 FL+FU+FS+MIC+FE 59.9~70.9 10 qFL-A13-1 61.91 26.76 15.31
qFL-A13-2 69.21 26.76 15.31
qFU-A13-1 61.91 27.48 43.07
qFU-A13-2 69.21 27.48 43.07
qFS-A13-1 61.91 25.20 14.33
qFS-A13-2 69.21 25.20 14.33
qMIC-A13-1 61.91 25.13 2.89
qMIC-A13-2 69.21 25.13 2.89
qFE-A13-1 61.91 24.18 4.71
qFE-A13-2 69.21 24.18 4.71
D2-cluster CIR288-CGR5030 FU+FS+FE 45.3~49.2 3 qFU-D2-1 48.61 27.48 43.07
qFS-D2-1 48.61 25.20 14.33
qFE-D2-1 48.61 24.18 4.71
D4-cluster NAU2329-BNL4049 FL+FU+FS 74.6~81.4 3 qFL-D4-1 77.31 26.76 15.31
qFU-D4-1 77.31 27.48 43.07
qFS-D4-1 77.31 25.20 14.33
D5-cluster-1 NAU3095-NAU3649 FL+FU+FS+MIC+FE 10.8~19.5 5 qFL-D5-1 15.71 26.76 15.31
qFU-D5-1 15.71 27.48 43.07
qFS-D5-1 15.71 25.20 14.33
qMIC-D5-1 15.71 25.13 2.89
qFE-D5-1 15.71 24.18 4.71
D5-cluster-2 DPL0893-NAU2636 FL+FU+FS+MIC+FE 37.2~58.0 6 qMIC-D5-2 41.31 28.81 2.92
qFL-D5-2 54.21 26.76 15.31
qFU-D5-2 54.21 29.82 43.04
qFS-D5-2 54.21 25.20 14.33
qMIC-D5-3 54.21 28.81 2.92
qFE-D5-2 54.21 28.11 4.79
D5-cluster-3 NAU3652-HAU3498 FL+FU+FS+MIC+FE 62.0~67.5 5 qFL-D5-3 63.71 26.76 15.31
qFU-D5-3 63.71 29.82 43.04
qFS-D5-3 63.71 25.20 14.33
qMIC-D5-4 63.71 28.81 2.92
qFE-D5-3 63.71 28.11 4.79
D5-cluster-4 BNL390-NAU2741 FL+FU+MIC+FE 83.8~94.6 8 qFL-D5-4 87.81 26.76 15.31
qFU-D5-4 87.81 27.48 43.07
qMIC-D5-5 87.81 25.13 2.89
qFE-D5-4 87.81 24.18 4.71
qFL-D5-5 94.01 26.76 15.31
qFU-D5-5 94.01 27.48 43.07
qMIC-D5-6 94.01 25.13 2.89
qFE-D5-5 94.01 24.18 4.71
D5-cluster-5 NAU5005-BNL3811 FL+FU+MIC+FE 99.8~110.1 4 qFL-D5-6 108.81 26.76 15.31
qFU-D5-6 108.81 27.48 43.07
qMIC-D5-7 108.81 25.13 2.89
qFE-D5-6 108.81 24.18 4.71
D5-cluster-6 BNL285-CGR5803 FE 131.4~157.7 1 qFE-D5-7 133.61 24.18 24.18
D5-cluster-7 NAU4884-NAU2233 FL 162.2~169.4 1 qFL-D5-7 166.01 26.76 15.31
D6-cluster-1 Gh513 FL+FS+MIC 0.0~2.4 3 qFL-D6-1 0.01 26.76 15.31
qFS-D6-1 0.01 25.20 14.33
qMIC-D6-1 0.01 25.13 2.89
D6-cluster-2 BNL3594-DPL0282 FS 10.1~35.1 1 qFS-D6-2 14.71 25.20 14.33
D6-cluster-3 BNL2569-HAU2022 FU 105.5~111.1 1 qFU-D6-1 109.71 27.48 43.07
D9-cluster NAU6323-NAU6764 FL+FU+FS+MIC+FE 47.4~93.1 9 qFL-D9-1 58.41 26.76 15.31
qFL-D9-2 86.01 26.76 15.31
qFU-D9-1 58.41 27.48 43.07
qFU-D9-2 87.01 27.48 43.07
qFS-D9-1 58.41 25.20 14.33
qFS-D9-2 86.01 25.20 14.33
qMIC-D9-1 58.41 25.13 2.89
qMIC-D9-2 86.01 25.13 2.89
qFE-D9-1 58.41 24.18 4.71
D11-cluster-1 NAU3748-BNL3171 FL 0.0~42.4 1 qFL-D11-1 37.01 26.76 26.76
D11-cluster-2 NAU6431-HAU2559 FL+FU+FS+MIC+FE 150.7~188.1 5 qFL-D11-2 166.71 26.76 15.31
qFU-D11-1 166.71 27.48 43.07
qFS-D11-1 166.71 25.20 14.33
qMIC-D11-1 166.71 25.13 2.89
qFE-D11-1 166.71 24.18 4.71
D12-cluster NAU2902-NAU3881 FL+FU+FS+MIC+FE 20.0~56.9 10 qFL-D12-1 29.21 26.76 15.31
qFL-D12-2 39.91 26.76 15.31
qFU-D12-1 29.21 27.48 43.07
qFU-D12-2 39.91 27.48 43.07
qFS-D12-1 29.21 25.20 14.33
qFS-D12-2 39.91 25.20 14.33
qMIC-D12-1 29.21 25.13 2.89
qMIC-D12-2 39.91 25.13 2.89
qFE-D12-1 29.21 24.18 4.71
qFE-D12-2 39.91 24.18 4.71
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