ArticleRice (New York, N.Y.)2015
Mapping Consistent Rice (Oryza sativa L.) Yield QTLs under Drought Stress in Target Rainfed Environments.
Article in Rice (New York, N.Y.), 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 28 papers, 1 of them a synthesis that pooled it.
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Who cites it
28 citing papers in PubMed, 1 synthesis or guideline pooled it.
- Transcriptomic responses under combined bacterial blight and drought stress in rice reveal potential genes to improve multi-stress tolerance.BMC plant biology · 2022Pooled it
- Association mapping for canopy temperature under irrigated and rainfed conditions at 12 environments identified both known and novel genetic loci.The plant genome · 2026Article
- An Integrated Meta-QTL and Transcriptome Analysis Provides Candidate Genes Associated with Drought Tolerance in Rice Seedlings.Plants (Basel, Switzerland) · 2025Article
- Uncovering the Genomic Regions Associated with Yield Maintenance in Rice Under Drought Stress Using an Integrated Meta-Analysis Approach.Rice (New York, N.Y.) · 2024Article
- Enhancing stress resilience in rice (Frontiers in plant science · 2024Article
- Mapping of QTLs associated with yield and related traits under reproductive stage drought stress in rice using SNP linkage map.Molecular biology reports · 2023Article
- Morpho-physiological and biochemical response of rice (Heliyon · 2023Review
- Identification of simple sequence repeat markers linked to heat tolerance in rice using bulked segregant analysis in FFrontiers in plant science · 2023Article
- Screening of rice drought-tolerant lines by introducing a new composite selection index and competitive with multivariate methods.Scientific reports · 2022Article
- Physiological and molecular implications of multiple abiotic stresses on yield and quality of rice.Frontiers in plant science · 2022Review
- Intraspecific Variation for Leaf Physiological and Root Morphological Adaptation to Drought Stress in Alfalfa (Frontiers in plant science · 2022Article
- Identification of Markers for Root Traits Related to Drought Tolerance Using Traditional Rice Germplasm.Molecular biotechnology · 2021Article
- Genome-wide SNP discovery, linkage mapping, and analysis of QTL for morpho-physiological traits in rice during vegetative stage under drought stress.Physiology and molecular biology of plants : an international journal of functional plant biology · 2021Article
- Association mapping of drought tolerance and agronomic traits in rice (Oryza sativa L.) landraces.BMC plant biology · 2021Article
- Progressive Genomic Approaches to Explore Drought- and Salt-Induced Oxidative Stress Responses in Plants under Changing Climate.Plants (Basel, Switzerland) · 2021Review
- Meta-Analysis of Quantitative Traits Loci (QTL) Identified in Drought Response in Rice (Plants (Basel, Switzerland) · 2021Article
- Article
- Physiological and Multi-Omics Approaches for Explaining Drought Stress Tolerance and Supporting Sustainable Production of Rice.Frontiers in plant science · 2021Review
- Identification of quantitative trait loci associated with canopy temperature in soybean.Scientific reports · 2020Article
- Article
Corrections and comments
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Authors and funding
5 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundDrought stress is a major limitation to rainfed rice production and yield stability. Identifying yield-associated quantitative trait loci (QTLs) that are consistent under drought stress predominant in target production environments, as well as across different genetic backgrounds, will help to develop high-yielding rice cultivars suitable for water-limited environments through marker-assisted breeding (MAB). Considerable progress has been made in mapping QTLs for drought resistance traits in rice; however, few have been successfully used in MAB.
resultsRecombinant inbred lines of IR20 × Nootripathu, two indica cultivars adapted to rainfed target populations of environments (TPEs), were evaluated in one and two seasons under managed stress and in a rainfed target drought stress environment, respectively. In the managed stress environment, the severity of the stress meant that measurements could be made only on secondary traits and biomass. In the target environment, the lines experienced varying timings, durations, and intensities of drought stress. The rice recombinant inbred lines exhibited significant genotypic variation for physio-morphological, phenological, and plant production traits under drought. Nine and 24 QTLs for physio-morphological and plant production traits were identified in managed and natural drought stress conditions in the TPEs, respectively. Yield QTLs that were consistent in the target environment over seasons were identified on chromosomes 1, 4, and 6, which could stabilize the productivity in high-yielding rice lines in a water-limited rainfed ecosystem. These yield QTLs also govern highly heritable key secondary traits, such as leaf drying, canopy temperature, panicle harvest index and harvest index.
conclusionThree QTL regions on chromosome 1 (RM8085), chromosome 4 (I12S), and chromosome 6 (RM6836) harbor significant additive QTLs for various physiological and yield traits under drought stress. The similar chromosomal region on 4 and 6 were found to harbor QTLs for canopy temperature and leaf drying under drought stress conditions. Thus, the identified large effect yield QTLs could be introgressed to develop rice lines with stable yields under varying natural drought stress predominant in TPEs.
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