The elite variations in germplasms for soybean breeding

Area of Science:

• Plant genetics
• Agricultural science
• Crop breeding

Background:

• Soybean (Glycine max) genetic base has narrowed due to domestication and breeding, impacting yield, quality, climate adaptability, and disease resistance.
• Vast soybean germplasm collections hold untapped genetic variation crucial for addressing breeding challenges.
• Limited utilization of germplasm hinders the development of improved soybean cultivars.

Purpose of the Study:

• To review the maintenance and utilization of soybean germplasms.
• To explore solutions for leveraging genetic variation using molecular markers and omics technologies.
• To provide genetic information from germplasms for molecular breeding of yield, quality, and pest resistance.

Main Methods:

• Overview of germplasm maintenance and utilization strategies.
• Review of molecular marker-based solutions for genetic analysis.
• Discussion of omics-based high-throughput strategies for elite allele identification.

Main Results:

• High-throughput genotyping technologies accelerate the identification of elite variations in soybean germplasm.
• Omics strategies offer powerful tools for uncovering valuable genetic alleles.
• Genetic information from germplasms can guide molecular breeding for enhanced traits.

Conclusions:

• Leveraging soybean germplasm collections is essential for overcoming the challenges of a narrowed genetic base.
• Advanced genotyping and omics technologies are key to unlocking genetic potential for crop improvement.
• This review provides a framework for utilizing germplasm resources in soybean molecular breeding programs.