二氧化硫对豇豆光合色素的影响

Q4 Environmental Science

Pollution Research Pub Date : 2023-01-01 DOI:10.53550/pr.2023.v42i01.007

M. Bhardwaj, Jogander Singh, Anju Singh

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引用次数: 0

摘要

目前在芒果(Vigna mungo)上开展的SO2暴露对光合色素影响的研究清楚地表明，二氧化硫对不同的光合色素都有有害影响。当植物暴露在更高剂量的二氧化硫中时，这些影响变得更加明显。本研究以0.1、0.3、0.5和0.7 ppm的二氧化硫浓度为研究对象，研究了不同浓度二氧化硫浓度对芒豆叶绿素a、叶绿素b、总叶绿素和类胡萝卜素等生化指标的影响。所获得的观察结果清楚地表明，芒戈的光合色素显著减少。与暴露于二氧化硫浓度较低的植物相比，暴露于0.7 ppm二氧化硫的植物受到了很大程度的影响。还观察到，影响不仅与剂量有关，而且与年龄有关。

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IMPACT OF SULPHUR DIOXIDE EXPOSURE ON PHOTOSYNTHETIC PIGMENTS IN VIGNA MUNGO

The present studies carried out on Vigna mungo regarding impacts of SO2 exposure on photosynthetic pigments clearly revealed that sulphur dioxide has deleterious effects on different photosynthetic pigments. These effects had become more significant when the plants were exposed to higher doses of sulphur dioxide. During the present investigation four concentrations, i.e. 0.1, 0.3, 0.5 and 0.7 ppm of sulphur dioxide were taken in consideration and their impact on biochemical contents i.e chlorophyll ‘a’, chlorophyll ‘b’, total chlorophyll and carotenoids in Vigna mungo was studied. The observations obtained clearly revealed that a significant reduction was observed in photosynthetic pigments of Vigna mungo. This impact was of great extent in such plants which were exposed to 0.7 ppm of sulphur dioxide as compared to those exposed to lower concentration of sulphur dioxide. It was also observed that the impact was not only dose dependent but also age dependent.

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Pollution Research Environmental Science-Water Science and Technology

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期刊介绍： POLLUTION RESEARCH is one of the leading enviromental journals in world and is widely subscribed in India and abroad by Institutions and Individuals in Industry, Research and Govt. Departments.