Mapping heat tolerance QTLs in Triticum durum-Aegilops speltoides backcross introgression lines to enhance thermotolerance in wheat
2024

Mapping Heat Tolerance in Wheat

Sample size: 311 publication 10 minutes Evidence: high

Author Information

Author(s): Krishnan J. Navaneetha, Kaur Satinder, Kumar Uttam, Singh Rohtas, Dhillon Guriqbal Singh, Bhati Pradeep Kumar, Chhuneja Parveen

Primary Institution: Punjab Agricultural University

Hypothesis

Can we identify genetic regions associated with heat tolerance in wheat using backcross introgression lines?

Conclusion

The study identified 30 QTLs associated with heat tolerance traits in wheat, which can aid in breeding heat-resistant varieties.

Supporting Evidence

  • Thirty QTLs were detected for various heat tolerance component traits on multiple chromosomes.
  • Identified QTLs can be used for genomics-assisted breeding for heat tolerance in wheat.
  • The study highlights the importance of wild relatives in enhancing heat tolerance in cultivated wheat.

Takeaway

Scientists are trying to make wheat plants better at handling heat by finding special genes that help them survive hot weather.

Methodology

The study used genotyping-by-sequencing to analyze backcross introgression lines and mapped QTLs for heat tolerance traits.

Limitations

The study was conducted in controlled environments, which may not fully represent field conditions.

Statistical Information

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.3389/fpls.2024.1485914

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