ArticleEnvironmental science and pollution research international2021
Photosynthetic rate and chlorophyll fluorescence of barley exposed to simulated acid rain.
Article in Environmental science and pollution research international, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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5 citing papers in PubMed, 21 citations in OpenAlex.
- Global Trends of Acidity in Rainfall and Its Impact on Plants and Soil.Journal of soil science and plant nutrition · 2023Review
- Identification and function analysis of yellow-leaf mutant (YX-yl) of broomcorn millet.BMC plant biology · 2022Article
- Physiological, Proteomic Analysis, and Calcium-Related Gene Expression RevealFrontiers in plant science · 2022Article
- Effects of simulated acid rain on rhizosphere microorganisms of invasiveFrontiers in microbiology · 2022Article
- Melatonin Enhanced the Tolerance ofFrontiers in plant science · 2021Article
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7 authors at 2 institutions in 1 country.
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Abstract
Acid rain is considered one of the most serious plant abiotic stresses. Photosynthesis is the basis of crop growth and development. The effect of acid rain on barley photosynthesis remains unclear. A glasshouse experiment was conducted, and the photosynthetic rate, chlorophyll (Chl) fluorescence, and pigment content of barley were measured in simulated acid rain (SAR) under pH 6.5, 5.5, 4.5, and 3.5. The results showed that net photosynthetic rate, maximal photosynthetic rate, and light saturation point decreased and the light compensation point, and dark respiration rate increased with increasing acidity. The results suggested that photosynthesis in barley plants was inhibited by SAR stress. The Chl content and stomatal conductance declined in parallel with the reduced net photosynthetic rate when barley plants were under SAR stress conditions. This indicated that non-stomatal factors may contribute to reduced photosynthesis under acid rain stress. Acid rain had greater effects on the photosynthesis of the acid rain-sensitive plant Zhepi 33 than on non-sensitive Kunlun 12. A significant difference in parameters such as the maximal fluorescence, variable fluorescence, and active PSII reaction centers was found among the SAR treatments and may be used to evaluate the sensitivity of plants to acid rain stress. The visualization model showed that the photosynthetic reaction centers were inactivated in acid rain stressed barley plants. These findings are valuable for the evaluation of the plant sensitivity to acid rain stress and may be used for the detection and monitoring of acid rain effects on plants in the future.
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