ArticleTAG. Theoretical and applied genetics. Theoretische und angewandte Genetik2013
An intra-specific linkage map of lettuce (Lactuca sativa) and genetic analysis of postharvest discolouration traits.
Article in TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
4 citing papers in PubMed.
- The genetic basis of water-use efficiency and yield in lettuce.BMC plant biology · 2021Article
- Innovative breeding technologies in lettuce for improved post-harvest quality.Postharvest biology and technology · 2020Review
- Genetic architecture of tipburn resistance in lettuce.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2019Article
- Oxidative discolouration in whole-head and cut lettuce: biochemical and environmental influences on a complex phenotype and potential breeding strategies to improve shelf-life.Euphytica: Netherlands journal of plant breeding · 2017Article
Corrections and comments
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Authors and funding
9 authors.
Funding
Abstract
Minimally processed salad packs often suffer from discolouration on cut leaf edges within a few days after harvest. This limits shelf life of the product and results in high wastage. Recombinant inbred lines (RILs) derived from a cross between lettuce cvs. Saladin and Iceberg were shown to be suitable for genetic analysis of postharvest discolouration traits in lettuce. An intra-specific linkage map based on this population was generated to enable genetic analysis. A total of 424 markers were assigned to 18 linkage groups covering all nine chromosomes. The linkage map has a total length of 1,040 cM with an average marker distance of 2.4 cM within the linkage groups and was anchored to the ultra-dense, transcript-based consensus map. Significant genetic variation in the postharvest traits ‘pinking’, ‘browning’ and ‘overall discolouration’ was detected among the RILs. Seven significant quantitative trait loci (QTL) were identified for postharvest discolouration traits providing markers linked to the QTL that can be used for marker-assisted selection. Phenotypic stability was confirmed for extreme lines possessing the corresponding QTL parental alleles and which had shown transgressive segregation. This study indicates that a desired phenotype with reduced levels of postharvest discolouration can be achieved by breeding using natural variation.
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