Differential Sensitivity of Growth and Net Photosynthetic Rates in Five Tree Species Seedlings under Simulated Acid Rain Stress

Tong, Sen‐Miao; Zhang, Liqin

doi:10.15244/pjoes/24930

Cited by 6 publications

(4 citation statements)

References 24 publications

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“…As the important part of the terrestrial ecosystem, plants can be considered as the main victim of acid deposition pollution 7 . Previous studies found that the damage mechanism of acid deposition on plants mainly involved destroying the ultrastructure of chloroplasts, inhibiting photosynthetic capacity, inducing the membrane lipid peroxidation, restraining respiration and other physiological metabolisms [8][9][10] . The soil acidification and the release of soil base ions caused by acid rain erosion can seriously damage plant roots, such as inhibiting root elongation and reducing the number of lateral roots 7 , thereby weakening their ability to absorb and transport water and nutrients 11 .…”

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confidence: 99%

Acid resistance of Masson pine (Pinus massoniana Lamb.) families and their root morphology and physiological response to simulated acid deposition

Zhou

Zhang

Chen

et al. 2020

Sci Rep

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Pinus massoniana Lamb. is one of the most sensitive species to acid deposition among forest woody plants, but differences in acid resistance among pine families still exist. It is of great significance to study the differences in acid resistance of Masson pine families and to analyze the physiological regulation mechanism of their acid resistance. In this study, the 100-day-old seedlings of 16 Masson pine families were treated with the simulated acid rain (SAR) at different pH levels (5.6, 4.5, 3.5 and 2.5) for 100 days to investigate the plant morphology, chlorophyll content, and root physiological responses. Results showed that pine family No. 35 maintained the good morphology, high chlorophyll content and organic acids secretion, and low plasma membrane permeability exposed to SAR, while family No. 79 presented the opposite. SAR not only increased the root plasma membrane permeability, but also induced an exudation of organic acids from the pine roots, and the test parameters changed sharply when the SAR pH was lower than 4.5. The results indicated that Masson pine could resist to acidic environment (pH 4.5–5.6), and family No. 35 had the acid resistance while the family No. 79 was sensitive to acid stress. The acid resistance diversity of different pine families had close relation with the root physiological processes, including the root plasma membrane permeability and organic acids secretion. For the future research, the natural genetic variation of Masson pine in response to acid stress and its acid resistance mechanism should be further studied.

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confidence: 99%

Acid resistance of Masson pine (Pinus massoniana Lamb.) families and their root morphology and physiological response to simulated acid deposition

Zhou

Zhang

Chen

et al. 2020

Sci Rep

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“…In other plant species, seed germination was remarkably inhibited by pH 2.0 water [14,15]. Tong and Zhang [22] suggested that simulated acid rain had a promotional or inhibitory effect on growth of different tree species, indicating that the response of plants to simulated acid rain depended on species. Cluster analysis revealed that rice cultivars responded differently to simulated acid rain.…”

Section: Discussionmentioning

confidence: 99%

Preliminary responses of some Thai rice cultivars to simulated acid rain stress during seed germination

Sreesaeng¹,

Kongchiu²,

Nakasathien³

2021

ScienceAsia

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Germination response of nine Thai rice (Oryza sativa) cultivars was investigated under simulated acid rain at pH values of 2.5, 3.5, 4.5, 5.5 and a control at pH 6.5 using a split-plot in completely randomized design (CRD) with three replications as main plots and subplots. Germination percentage, seedling characteristics and inhibitory responses were evaluated. Results showed that rice seed germination decreased after exposure to simulated acid rain of pH 2.5, 3.5 and 4.5 compared to the control. Acid rain significantly decreased seedling root length, root-to-shoot ratio and crown roots per seedling while pH 2.5 completely inhibited all the investigated seedling characteristics. Average values of germination percentage reduction were highly significant in KDML105 and RD27 cultivars while acid rain stimulated rice seed germination in HPYTD, RD57, MLL and TTCP, suggesting that these cultivars are tolerant to acid rain stress during seed germination.

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“…2005;SANT'ANNA-SANTOS & al. 2006;TONG & al. 2014;WU & LIANG, 2017;] and suppresses leaf function and mesophyll cell (Table 3).…”

Section: Effects Of Acid Mist On Seed Germination and Seedling Growth...mentioning

confidence: 99%

The Effects of Acid Mist Environment on Plant Growth: A Review

SHAFIQ,

IQBAL,

ATHAR

2023

jpd

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The wet (rain, snow, fog, sleet, dew) and dry (transport of aerosol, particles and gases) deposition of acidic substance in environment results due to human, automobile, fossil fuel burning and industrial activities. Acid deposition is worldwide environmental degradation problems and in recent years these acidic materials are increasing at alarming scale in the environment both in developed and developing countries, including Pakistan. Some scientific literature survey reports suggest that plant growth and agriculture yield decrease due to consequence of acid rain. In addition, acid rain is found responsible for producing toxic effects on the morphological parameters of agricultural crop. The evidence collected from last more than fifty years showed the common significant effects of acid rain on seed germination percentage, seedling height, root hair and structure, alteration in leaf anatomy, size and area, stomatal structure, size, pollen germination, photosynthetic pigments and physiological changes in herbs, shrubs and trees. Still, little is known on the impact of acid rain on plant growth. This study was aimed to review the effects of acid mist on growth performances of some selected plant species. This review is contributed with the help of literature survey, research work published on the impact of acid rain on the plant growth.

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Differential Sensitivity of Growth and Net Photosynthetic Rates in Five Tree Species Seedlings under Simulated Acid Rain Stress

Cited by 6 publications

References 24 publications

Acid resistance of Masson pine (Pinus massoniana Lamb.) families and their root morphology and physiological response to simulated acid deposition

Acid resistance of Masson pine (Pinus massoniana Lamb.) families and their root morphology and physiological response to simulated acid deposition

Preliminary responses of some Thai rice cultivars to simulated acid rain stress during seed germination

The Effects of Acid Mist Environment on Plant Growth: A Review

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