Peanut Introgression Line Population for Breeding with Wild Relatives

32 introgression lines capture genetic diversity from wild peanut species Arachis stenosperma and Arachis batizocoi for cultivated peanut breeding. The population provides genome coverage across 9 of 10 A subgenome and 6 of 10 B subgenome chromosomes, with introgressed segments averaging 34.7 Mbp. Emile C. Barnes constructed this resource, released under CC-BY-4.0 for public use by the peanut research community.

Use Cases

• Identify genetic markers for disease resistance based on the described phenotypic diversity for disease resistance.
• Study the effect of wild allele introgressions on plant architecture based on the mentioned trait of plant height.
• Map quantitative trait loci (QTL) using the structured population designed for genome coverage.
• Develop breeding lines with enhanced abiotic stress tolerance leveraging the genetic value of the wild relatives.
• Assess genome-wide introgression patterns based on the coverage statistics for polymorphic markers from the two wild species.

Strengths

• Population is structured with 32 lines designed for complementary genome coverage.
• Introgressed segments have a defined mean size of 34.7 Mbp.
• Covers 60.1% of polymorphic markers from A. stenosperma and 34.8% from A. batizocoi.
• Phenotypic diversity is demonstrated for specific traits like disease resistance and plant height.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• Dataset is small (416.9 KB), indicating limited scope or summary-level data.

Provenance

Source

figshare

Collection Method

Constructed through interspecific hybridization and genetic analysis to create a structured introgression line population.

Freshness

Last updated 2026-05-01 05:28:08; freshness should be verified.