Morphological and biochemical studies of Salvia guaranitica St. Hil. under simulated deposition with different amounts of dust

Dongmei Yin; Wei Luo; Zaiqiang Yang; Shuai Qi; Kelin Chen; Aiping Gou

Ecotoxicology and Environmental Safety (Jan 2023)

Morphological and biochemical studies of Salvia guaranitica St. Hil. under simulated deposition with different amounts of dust

Dongmei Yin,
Wei Luo,
Zaiqiang Yang,
Shuai Qi,
Kelin Chen,
Aiping Gou

Affiliations

Dongmei Yin: College of ecological technology and engineering, Shanghai Institute of Technology, Shanghai, China; School of Forestry and Landscape Architecture, Anhui Agricultural University, Hefei, China
Wei Luo: College of ecological technology and engineering, Shanghai Institute of Technology, Shanghai, China
Zaiqiang Yang: Collaborative Innovation Center on Forecast and Evaluation of Meteorological Disasters, Nanjing University of Information Science and Technology, Nanjing, China
Shuai Qi: College of ecological technology and engineering, Shanghai Institute of Technology, Shanghai, China
Kelin Chen: College of ecological technology and engineering, Shanghai Institute of Technology, Shanghai, China
Aiping Gou: College of ecological technology and engineering, Shanghai Institute of Technology, Shanghai, China; The Research Institution of Beautiful China and Ecological Civilization, Shanghai Institute of Technology; Corresponding author at: College of ecological technology and engineering, Shanghai Institute of Technology, Shanghai, China.

Journal volume & issue: Vol. 249
p. 114404

Abstract

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The collection of many environmental pollutants from road dust is harmful to living things and their surroundings. Previous studies have confirmed that road dust affects plant pigmentation, pollination, and biochemical properties. However, there are no comprehensive studies on multi-level dust pollution levels and multifaceted physiological properties of plants, and more importantly, there are no studies on atmospheric dust pollution monitors. In this experiment, the effect of road dust on the morphology and biochemistry of Salvia guaranitica St.Hil.was investigated by simulated deposition of different amounts of dust, and the changes of their physiological morphology under different pollution levels were also explored. A control group CK (0.00 g/plant), four experimental groups S1 (0.015 g/plant), S2 (0.030 g/plant), S3 (0.045 g/plant) and S4 (0.060 g/plant) were sprayed with the same dust samples every other day for 30 days. It was found that after 30 days of dust exposure, different degrees of morphological changes and damage occurred in Salvia. The different pollution levels also resulted in different degrees of biochemical characteristics of Salvia. With the increase of pollution, chlorophyll content, photosynthetic and evaporation rates decreased significantly, but the activity of SOD and the content of MDA increased significantly in different experimental groups. Especially, the experiments also revealed that severe road dust pollution caused damage and deformation to stomata, as well as a significant reduction in stomatal and glandular density. In addition, the regression curves of the different physiological responses of Salvia to road dust can be used as a preliminary basis for plant monitoring of dust pollution degrees, thus provided a scientific basis for the use of plant biomonitors in the field of pollution biology.

Published in Ecotoxicology and Environmental Safety

ISSN: 0147-6513 (Print); 1090-2414 (Online)
Publisher: Elsevier
Country of publisher: United States
LCC subjects: Technology: Environmental technology. Sanitary engineering: Environmental pollution; Geography. Anthropology. Recreation: Environmental sciences
Website: https://www.journals.elsevier.com/ecotoxicology-and-environmental-safety

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