ArticleRice (New York, N.Y.)2023
Marker-Assisted Introgression of the Salinity Tolerance Locus Saltol in Temperate Japonica Rice.
Article in Rice (New York, N.Y.), 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed.
- Overexpression of the BAHD Acyltransferase-Like Protein gene OsDCR Enhances Salt Tolerance in Rice.Rice (New York, N.Y.) · 2026Article
- Genomics-assisted breeding for designing salinity-smart future crops.Plant biotechnology journal · 2025Review
- Rice Adaptation to Abiotic Stresses Caused by Soil Inorganic Elements.International journal of molecular sciences · 2025Review
- A comprehensive review on rice responses and tolerance to salt stress.Frontiers in plant science · 2025Review
- Identification of powdery mildew resistance quantitative trait loci in melon and development of resistant near-isogenic lines through marker-assisted backcrossing.Botanical studies · 2024Article
- KASP: a high-throughput genotyping system and its applications in major crop plants for biotic and abiotic stress tolerance.Molecular biology reports · 2024Review
- QTLs and Genes for Salt Stress Tolerance: A Journey from Seed to Seed Continued.Plants (Basel, Switzerland) · 2024Review
- Physiological Responses to Salt Stress at the Seedling Stage in Wild (Plants (Basel, Switzerland) · 2024Article
- QTL-Seq identified a genomic region on chromosome 1 for soil-salinity tolerance in FFrontiers in plant science · 2024Article
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Authors and funding
22 authors.
Funding
Abstract
backgroundRice is one of the most salt sensitive crops at seedling, early vegetative and reproductive stages. Varieties with salinity tolerance at seedling stage promote an efficient growth at early stages in salt affected soils, leading to healthy vegetative growth that protects crop yield. Saltol major QTL confers capacity to young rice plants growing under salt condition by maintaining a low Na
resultsMarker-assisted backcross (MABC) procedure was adopted to transfer Saltol locus conferring salt tolerance at seedling stage from donor indica IR64-Saltol to two temperate japonica varieties, Vialone Nano and Onice. Forward and background selections were accomplished using polymorphic KASP markers and a final evaluation of genetic background recovery of the selected lines was conducted using 15,580 SNP markers obtained from Genotyping by Sequencing. Three MABC generations followed by two selfing, allowed the identification of introgression lines achieving a recovery of the recurrent parent (RP) genome up to 100% (based on KASP markers) or 98.97% (based on GBS). Lines with highest RP genome recovery (RPGR) were evaluated for agronomical-phenological traits in field under non-salinized conditions. VN1, VN4, O1 lines were selected considering the agronomic evaluations and the RPGR% results as the most interesting for commercial exploitation. A physiological characterization was conducted by evaluating salt tolerance under hydroponic conditions. The selected lines showed lower standard evaluation system (SES) scores: 62% of VN4, and 57% of O1 plants reaching SES 3 or SES 5 respectively, while only 40% of Vialone Nano and 25% of Onice plants recorded scores from 3 to 5, respectively. VN1, VN4 and O1 showed a reduced electrolyte leakage values, and limited negative effects on relative water content and shoot/root fresh weight ratio.
conclusionThe Saltol locus was successfully transferred to two elite varieties by MABC in a time frame of three years. The application of background selection until BC
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