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Association mapping in crop plants: opportunities and challenges
Pushpendra K Gupta1, Pawan L Kulwal2, Vandana Jaiswal1
1Department of Genetics and Plant Breeding, Ch. Charan Singh University, Meerut, UP, India.
Advances in Genetics
|June 2, 2014
Summary
Association mapping (AM) in crops uses DNA markers and statistical tools to study traits. Underutilization in plant breeding stems from challenges, but solutions are emerging for future crop improvement.
Area of Science:
- Agricultural science
- Genetics
- Plant breeding
Background:
- Association mapping (AM) is crucial for genetic studies of quantitative traits in major crops.
- AM's success in plant breeding lags behind its utility in human disease diagnosis.
- Advancements in DNA-based molecular markers and statistical tools enable AM in plants and humans.
Purpose of the Study:
- To review populations, molecular markers, and genotyping strategies used in AM studies.
- To analyze reasons for the underutilization of AM results in plant breeding.
- To examine opportunities and challenges of applying AM for crop improvement.
Main Methods:
- Review of population significance in AM studies.
- Description of molecular markers and high-throughput genotyping.
- Analysis of AM approaches and reasons for underutilization.
Main Results:
- AM studies in crops, while advanced, have not translated effectively into breeding programs.
- Identified key issues hindering the application of AM findings in practical crop improvement.
- Explored available solutions and strategies to overcome these challenges.
Conclusions:
- Addressing the identified challenges is essential for realizing the full potential of AM in crop improvement.
- Future research and application of AM can lead to more fruitful outcomes for breeding programs.
- Bridging the gap between AM research and plant breeding practice is a critical goal.
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