Identification and Mapping of QTLs for Adult Plant Resistance in Wheat Line XK502
Abstract
:1. Introduction
2. Results
2.1. Phenotypic Analysis
2.2. QTL Analysis of Stripe Rust Resistance
2.3. Additive Effect Analysis for QTL
2.4. Selection of Breeding Lines
3. Discussion
4. Materials and Methods
4.1. Plant Materials
4.2. Phenotypic Identification
4.2.1. Greenhouse Tests
4.2.2. Field Tests
4.2.3. Determination of Agronomic Traits
4.3. DNA Extraction and Genotyping
4.4. Genetic Linkage Map Construction and QTL Analysis
5. Conclusions
Supplementary Materials
Author Contributions
Funding
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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Environment | 22JY | 23MY | 23JY | 24GY | 24JY |
---|---|---|---|---|---|
22JY | - | ||||
23MY | 0.57 (0.53) 1 | - | |||
23JY | 0.62 (0.73) | 0.49 (0.61) | - | ||
24GY | 0.58 (0.54) | 0.68 (0.64) | 0.63 (0.64) | - | |
24JY | 0.64 (0.65) | 0.58 (0.62) | 0.75 (0.73) | 0.74 (0.70) | - |
Source of Variation | Infection Type | Disease Severity | ||||||
---|---|---|---|---|---|---|---|---|
df | Sum of Squares | Mean Square | F Value | df | Sum of Squares | Mean Square | F Value | |
Genotype | 220 | 6903.90 | 31.38 | 30.92 *** | 220 | 1,109,579.25 | 5043.54 | 34.53 *** |
Environment | 4 | 1388.81 | 347.20 | 342.09 *** | 4 | 24,130.66 | 6032.66 | 41.3 *** |
Genotype × Environment | 880 | 2919.35 | 3.32 | 3.27 *** | 880 | 528,512.63 | 600.58 | 4.11 *** |
Error | 1079 | 1096.16 | 1.02 | 1079 | 57,605.75 | 146.07 | ||
h2b 1 | 0.90 | 0.89 |
QTL | No. of RILs | IT | DS% |
---|---|---|---|
QYrxk502.swust-1BL | 62 | 5.02 | 39.50 |
QYrxk502.swust-2BL | 46 | 4.66 | 34.61 |
QYrxk502.swust-3AS | 42 | 4.91 | 37.27 |
QYrxk502.swust-3BS | 50 | 4.46 | 30.80 |
QYrxk502.swust-7BS | 52 | 4.87 | 36.81 |
Trait Name | IT | DS | PH | PTN | SL | TKW | GL | GW | LWR |
---|---|---|---|---|---|---|---|---|---|
IT | - | ||||||||
DS | 0.99 *** | - | |||||||
PH | −0.25 *** | −0.27 *** | - | ||||||
PTN | −0.34 *** | −0.35 *** | 0.26 *** | - | |||||
SL | −0.24 *** | −0.23 *** | 0.47 *** | 0.073 ns | - | ||||
TKW | −0.41 *** | −0.42 *** | 0.45 *** | 0.19 ** | 0.29 *** | - | |||
GL | −0.35 *** | −0.35 *** | 0.40 *** | 0.20 ** | 0.49 *** | 0.75 *** | - | ||
GW | −0.32 *** | −0.33 *** | 0.36 *** | 0.15 * | 0.16 * | 0.88 *** | 0.52 *** | - | |
LWR | −0.11 ns | −0.10 ns | 0.12 ns | 0.07 ns | 0.37 *** | 0.05 ns | 0.60 *** | −0.34 *** | - |
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Feng, X.; Huang, M.; Lou, X.; Yang, X.; Yu, B.; Huang, K.; Yang, S. Identification and Mapping of QTLs for Adult Plant Resistance in Wheat Line XK502. Plants 2024, 13, 2365. https://doi.org/10.3390/plants13172365
Feng X, Huang M, Lou X, Yang X, Yu B, Huang K, Yang S. Identification and Mapping of QTLs for Adult Plant Resistance in Wheat Line XK502. Plants. 2024; 13(17):2365. https://doi.org/10.3390/plants13172365
Chicago/Turabian StyleFeng, Xianli, Ming Huang, Xiaoqin Lou, Xue Yang, Boxun Yu, Kebing Huang, and Suizhuang Yang. 2024. "Identification and Mapping of QTLs for Adult Plant Resistance in Wheat Line XK502" Plants 13, no. 17: 2365. https://doi.org/10.3390/plants13172365