ArticleJournal of experimental botany2021
Rice breeding for yield under drought has selected for longer flag leaves and lower stomatal density.
Article in Journal of experimental botany, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers.
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18 citing papers in PubMed.
- Aus rice: a source of promising donor genotypes for low N tolerance under field conditions.Scientific reports · 2026Article
- Determination of Rice Accession Status Using Infochemical and Visual Cues Emitted to Sustainably ControlInsects · 2025Article
- Review
- Flavones enrich rhizosphere Pseudomonas to enhance nitrogen utilization and secondary root growth in Populus.Nature communications · 2025Article
- Engineering quantitative stomatal trait variation and local adaptation potential by cis-regulatory editing.Plant biotechnology journal · 2024Article
- Article
- Genome-Wide Association Study of Rice Diversity Panel Reveals New QTLs for Tolerance to Water Deficit Under the Egyptian Conditions.Rice (New York, N.Y.) · 2024Article
- Oryza glumaepatula: A wild relative to improve drought tolerance in cultivated rice.Plant physiology · 2023Article
- Genetic Analysis for the Flag Leaf Heterosis of a Super-Hybrid Rice WFYT025 Combination Using RNA-Seq.Plants (Basel, Switzerland) · 2023Article
- Paralog editing tunes rice stomatal density to maintain photosynthesis and improve drought tolerance.Plant physiology · 2023Article
- The Transcription Factor HaHB11 Boosts Grain Set and Yield in Rice Plants, Allowing Them to Approach Their Ideal Phenotype.Biomolecules · 2023Article
- How Does Stomatal Density and Residual Transpiration Contribute to Osmotic Stress Tolerance?Plants (Basel, Switzerland) · 2023Review
- Climate change challenges, plant science solutions.The Plant cell · 2023Article
- How rice adapts to high temperatures.Frontiers in plant science · 2023Review
- Multi-model genome-wide association studies of leaf anatomical traits and vein architecture in rice.Frontiers in plant science · 2023Article
- Promising physiological traits associated with nitrogen use efficiency in rice under reduced N application.Frontiers in plant science · 2023Article
- Stomatal Ratio Showing No Response to Light Intensity inPlants (Basel, Switzerland) · 2022Article
- Two decades of rice research in Indonesia and the Philippines: A systematic review and research agenda for the social sciences.Humanities & social sciences communications · 2022Review
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Abstract
Direct selection for yield under drought has resulted in the release of a number of drought-tolerant rice varieties across Asia. In this study, we characterized the physiological traits that have been affected by this strategy in breeding trials across sites in Bangladesh, India, and Nepal. Drought- breeding lines and drought-tolerant varieties showed consistently longer flag leaves and lower stomatal density than our drought-susceptible check variety, IR64. The influence of environmental parameters other than drought treatments on leaf traits was evidenced by close grouping of treatments within a site. Flag-leaf length and width appeared to be regulated by different environmental parameters. In separate trials in the Philippines, the same breeding lines studied in South Asia showed that canopy temperature under drought and harvest index across treatments were most correlated with grain yield. Both atmospheric and soil stress strengthened the relationships between leaf traits and yield. The stable expression of leaf traits among genotypes and the identification of the environmental conditions in which they contribute to yield, as well as the observation that some breeding lines showed longer time to flowering and higher canopy temperature than IR64, suggest that selection for additional physiological traits may result in further improvements of this breeding pool.
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