ArticleRice (New York, N.Y.)2016
Marker-assisted breeding of the rice restorer line Wanhui 6725 for disease resistance, submergence tolerance and aromatic fragrance.
Article in Rice (New York, N.Y.), 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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Who cites it
13 citing papers in PubMed.
- Controlled irrigation suppresses methane emissions by reshaping the rhizosphere microbiomes in rice.Microbiology spectrum · 2026Article
- Improving the blast, bacterial blight, and brown planthopper resistance for a restorer line of WDR Hanhui3 by marker-assisted gene pyramiding.BMC plant biology · 2025Article
- Genome-wide association study uncovers a novel gene responsible for rice seedling submergence tolerance.Plant biotechnology journal · 2025Article
- Marker assisted introgression of bacterial leaf blight and cowpea mosaic virus resistance into an elite cowpea cultivar C-152.Molecular breeding : new strategies in plant improvement · 2025Article
- CRISPR/Cas9-mediated editing ofMolecular breeding : new strategies in plant improvement · 2023Article
- Advancement in the Breeding, Biotechnological and Genomic Tools towards Development of Durable Genetic Resistance against the Rice Blast Disease.Plants (Basel, Switzerland) · 2022Review
- Introgression Lines: Valuable Resources for Functional Genomics Research and Breeding in Rice (Frontiers in plant science · 2022Review
- Eighty years of gene-for-gene relationship and its applications in identification and utilization ofJournal of genetics · 2021Review
- Distribution of Bacterial Blight Resistance Genes in the Main Cultivars and Application ofFrontiers in plant science · 2020Article
- Salt Tolerance Improvement in Rice through Efficient SNP Marker-Assisted Selection Coupled with Speed-Breeding.International journal of molecular sciences · 2019Article
- Genotyping for Blast (International journal of genomics · 2019Article
- Sequence-tagged site-based diagnostic markers linked to a novel anthracnose resistance gene3 Biotech · 2019Article
- Functional Marker Assisted Improvement of Stable Cytoplasmic Male Sterile Lines of Rice for Bacterial Blight Resistance.Frontiers in plant science · 2017Article
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Authors and funding
7 authors.
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Abstract
backgroundRice is a staple food crop in the world. With the increase in world population and economic development, farmers need to produce more rice in limited field. However, the rice production is frequently affected by biotic and abiotic stresses. The use of natural disease resistance and stress tolerance through genetic breeding is the most efficient and economical way to combat or acclimate to these stresses. In addition, rice with aromatic fragrance can significantly increase market value for its good grain quality. Mianhui 725 (MH725) is an elite restorer line that has been widely used to produce three-line hybrid rice in China. We previously introduced rice bacterial blight resistance genes Xa4 and Xa21 into MH725 and obtained an introgression rice line Wanhui 421 (WH421), which theoretically possesses 96.9% genetic background of MH725.
resultsHere we report the introduction and pyramiding of disease resistance genes Xa27 and Pi9, submergence tolerance gene Sub1A and aromatic fragrance gene badh2.1 in WH421 through backcrossing and marker-assisted selection. The newly developed introgression rice line was designated as Wanhui 6725 (WH6725), which theoretically possesses 95.0% genetic background of MH725. WH6725 and its hybrid rice conferred disease resistance to both blast and bacterial blight diseases and showed tolerance to submergence for over 14 days without significant loss of viability. Compared with non-aromatic rice MH725, WH6725 has strong aromatic fragrance. The major important agronomic traits and grain quality of WH6725 and its hybrid rice obtained in field trials were similar to those of MH725 and the control hybrid rice, indicating that WH6725 is as good as MH725 when it is used as a restorer line for three-line hybrid rice production.
conclusionWe have successfully developed a new restorer line WH6725 with disease resistance to rice blast and bacterial blight, tolerance to submergence and aromatic fragrance, which can be used to replace MH725 for hybrid rice production.
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