Tracing domestication traits (shattering and plant growth habit) in an interspecific lentil population: LR-68

Growth habit is one of the most significant agronomic traits involved in the domestication process. Growth habit in lentil breeding encompasses alterations related to plant structure affecting production and yield stability. This population, IG 72643 (L. orientalis) x 3339-3 (L. culinaris), is being evaluated to investigate the genetic and phenotypic variability for agronomic and growth habit and to identify the molecular mechanisms underlying the quantitative variation for these traits in wild and cultivated lentils. This population is being grown at the Preston, Sutherland, and SPG in 2018 and 2019. Days to emergence, days till 10% of plants have elongated tendrils, days till 10% of plants have one open flower, days till 10% of plants have 1/2 pods mature, plant architecture, lodging, shattering, biomass were recorded. This population has been genotyped and mapped using a genotyping-by-sequencing approach. QTLs underlying this trait will be identified followed by markers or candidate genes linked to these important agronomic and domestication traits.