Yellow Lupin Flowering Time QTL Mapping Data from Greenhouse Trials (2022-2024)

A 2022-2024 greenhouse study of a recombinant inbred line (RIL) population of yellow lupin (Lupinus luteus L.) phenotyped under long-day and short-day photoperiods. The dataset, published by Ishani Dogra on figshare, contains results from quantitative trait locus (QTL) mapping for vernalization-insensitive and photoperiod-independent early flowering. A linkage map with 1,448 loci was used to identify a major QTL on chromosome YL-16 explaining up to 34% of phenotypic variance.

Use Cases

• Identify candidate genes for flowering time regulation based on QTL co-localization with genes like LlutFTc1.
• Study genotype-phenotype associations for plant adaptation to changing climates using the phenotyped RIL population.
• Validate molecular markers for breeding programs based on the 2,227 bp indel marker from the LlutFTc1 promoter.
• Compare the effect of photoperiod on flowering time genetics using data from long-day and short-day conditions.

Strengths

• Dataset is based on a recombinant inbred line population phenotyped across three spring seasons (2022-2024) and a winter season, providing multi-year observations.
• Linkage map comprises 1,448 loci and anchors all yellow lupin pseudochromosomes, providing a genetic framework for analysis.
• A major QTL explaining up to 34% of phenotypic variance was identified and is significant across all years and photoperiods.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• The genetic linkage map is moderately fragmented, with 63 linkage groups versus 26 chromosomes.

Provenance

Source

figshare, author Ishani Dogra.

Collection Method

Data likely originates from greenhouse phenotyping and DArT-seq genotyping of a yellow lupin RIL population.

Time Range

Phenotyping conducted across spring seasons 2022-2024 and winter season 2023/4.

Freshness

Last updated 2026-04-23 05:36:13; freshness should be verified.