ArticleBMC plant biology2019
Chlorophyll fluorescence analysis in diverse rice varieties reveals the positive correlation between the seedlings salt tolerance and photosynthetic efficiency.
Article in BMC plant biology, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 59 papers.
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59 citing papers in PubMed, 203 citations in OpenAlex.
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- Geometric image-based phenotyping and physiological analysis for validation of rice salinity tolerance screening under artificial pot conditions.BMC plant biology · 2026Article
- Impact of salinity stress during reproductive stage on physiological responses and yield of landrace rice genotypes.BMC plant biology · 2026Article
- A prebiotic-based biostimulant enhances growth parameters, photosynthetic efficiency, and grain yield in rice (Frontiers in plant science · 2026Article
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- Polyethylene glycol and proline synergistically improve salinity tolerance via physiological and biochemical reprogramming in mango.BMC plant biology · 2025Article
- Engineering saline-alkali-tolerant apple rootstock by knocking down MdGH3 genes in M9-T337.Stress biology · 2025Article
- Identification of Wheat Genotypes with High Tolerance to Combined Salt and Waterlogging Stresses Using Biochemical and Morpho-Physiological Insights at the Seedling Stage.Plants (Basel, Switzerland) · 2025Article
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- Systems genomics of salinity stress response in rice.bioRxiv : the preprint server for biology · 2024Article
- Response of Elymus nutans Griseb. seedling physiology and endogenous hormones to drought and salt stress.Scientific reports · 2024Article
- 5-ALA, DTA-6, and Nitrogen Mitigate NaCl Stress by Promoting Photosynthesis and Carbon Metabolism in Rice Seedlings.Metabolites · 2024Article
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6 authors at 1 institution in 1 country.
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Abstract
backgroundPhotosynthetic efficiency might be a key factor determining plant resistance to abiotic stresses. Plants can sense when growing conditions are not favorable and trigger an internal response at an early stage before showing external symptoms. When a high amount of salt enters the plant cell, the membrane system and function of thylakoids in chloroplasts could be destroyed and affect photosynthetic performance if the salt concentration is not regulated to optimal values. Oryza species have salt-tolerant and salt-sensitive genotypes; however, very few studies have investigated the genetic architecture responsible for photosynthetic efficiency under salinity stress in cultivated rice.
resultsWe used an imaging-based chlorophyll fluorometer to monitor eight rice varieties that showed different salt tolerance levels for four consecutive days under control and salt conditions. An analysis of the changes in chlorophyll fluorescence parameters clearly showed the maximum quantum efficiency of PSII in sensitive varieties was significantly reduced after NaCl treatment when compared to tolerant varieties. A panel of 232 diverse rice accessions was then analyzed for chlorophyll fluorescence under salt conditions, the results showed that chlorophyll fluorescence parameters such as F
conclusionsRice plant is very sensitive to salinity stress, especially at young seedling stage. Our work identified the distribution pattern of chlorophyll fluorescence parameters in seedlings leaf and their correlations with salt tolerance level in a diverse gene pool. We also revealed the complexity of the genetic architecture regulating rice seedling photosynthetic performance under salinity stress, the germplasm analyzed in this study and the associated genetic information could be utilized in rice breeding program.
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