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Wheat Breeding through Genetic and Physical Mapping 2
1Department of Agricultural and Environmental Science, University of Bari Aldo Moro, 70126 Bari, Italy.
This special issue updates research on wheat breeding, focusing on genetic and physical mapping. It covers advancements in identifying genes for important traits and stress resistance.
Area of Science:
- Plant genetics and breeding
- Genomics and bioinformatics
- Agricultural science
Background:
- This special issue builds upon previous work, focusing on the latest advancements in wheat breeding.
- It emphasizes the importance of genetic and physical mapping for identifying genes related to agronomically significant traits.
Discussion:
- The issue covers research on the regulatory sequences influencing biotic and abiotic stress resistance in wheat.
- It highlights the integration of genetic and physical mapping techniques to accelerate crop improvement.
Key Insights:
- Recent progress in understanding gene function and regulation in wheat.
- Identification of candidate genes for enhanced crop yield and resilience.
- Application of advanced mapping techniques for trait discovery.
Outlook:
- Future directions in wheat genetic improvement through advanced mapping.
- Potential for developing climate-resilient wheat varieties.
- Continued exploration of gene regulatory networks for targeted breeding.
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Plant Breeding and Biotechnology
Dihybrid Crosses
Monohybrid Crosses
Trihybrid Crosses
Some of Mendel’s crosses examined three pairs of contrasting characteristics. Such a cross is called a trihybrid cross. A trihybrid cross is a combination of three individual monohybrid crosses. For example, plant height (tall vs. short), seed shape (round vs. wrinkled), and seed color (yellow vs. green).
The F1 generation plants of a trihybrid cross are heterozygous for all three traits and produce eight gametes. Upon self-fertilization, these gametes have an equal...