ArticleScientific reports2020
Development of introgression lines in high yielding, semi-dwarf genetic backgrounds to enable improvement of modern rice varieties for tolerance to multiple abiotic stresses free from undesirable linkage drag.
Article in Scientific reports, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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12 citing papers in PubMed, 40 citations in OpenAlex.
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- Genome-wide and pan-genomic analysis reveals rich variants of NBS-LRR genes in a newly developed wild rice line fromFrontiers in plant science · 2024Article
- Mapping genomic regions for reproductive stage drought tolerance in rice from exotic landrace-derived population.Frontiers in plant science · 2024Article
- Traces of Introgression from cAus into Tropical Japonica Observed in African Upland Rice Varieties.Rice (New York, N.Y.) · 2023Article
- Editorial: Multiple abiotic stresses: Molecular, physiological, and genetic responses and adaptations in cereals.Frontiers in plant science · 2023Article
- A meta-QTL analysis highlights genomic hotspots associated with phosphorus use efficiency in rice (Frontiers in plant science · 2023Article
- Genetic Trends Estimation in IRRIs Rice Drought Breeding Program and Identification of High Yielding Drought-Tolerant Lines.Rice (New York, N.Y.) · 2022Article
- DECUSSATE network with flowering genes explains the variable effects of qDTY12.1 to rice yield under drought across genetic backgrounds.The plant genome · 2022Article
- Molecular Breeding for Improving Productivity ofGenes · 2021Article
- Article
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Authors and funding
7 authors at 4 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Occurrence of multiple abiotic stresses in a single crop season has become more frequent than before. Most of the traditional donors possessing tolerance to abiotic stresses are tall, low-yielding with poor grain quality. To facilitate efficient use of complex polygenic traits in rice molecular breeding research, we undertook development of introgression lines in background of high-yielding, semi-dwarf varieties with good grain quality. The study reports the development and evaluations of over 25,000 introgression lines in eleven elite rice genetic backgrounds for improvement of yield under multiple abiotic-stresses such as drought, flood, high/low temperature. The developed introgression lines within each genetic background are near isogenic/recombinant inbred lines to their recipient recurrent parent with 50 to 98% background recovery and additionally carry QTLs/genes for abiotic stresses. The multiple-stress tolerant pyramided breeding lines combining high yield under normal situation and good yield under moderate to severe reproductive-stage drought, semi-dwarf plant type with good grain quality traits have been developed. The introgression lines in dwarf backgrounds open new opportunity to improve other varieties without any linkage drag as well as facilitate cloning of QTLs, identification and functional characterization of candidate genes, mechanisms associated with targeted QTLs and the genetic networks underlying complex polygenic traits.
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