EFFECTS OF COPPER TOXICITY ON DIFFERENT GROWTH ATTRIBUTES OF PHLOX DRUMMONDII

Heavy metal contamination is one of the major problems prevailing in environment. Copper in high concentration is considered to have serious effects on plant growth parameters which results in chlorosis, disturbed mineral uptake and stunted growth. A pot experiment was conducted to evaluate the abil...

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Autores principales:	Syeda Fatima, Nazia Aslam, Sofia Khalid
Formato:	article
Lenguaje:	EN
Publicado:	Zibeline International 2021
Materias:	phlox drummondii copper ascorbic acid toxicity bioremediation. Environmental sciences GE1-350
Acceso en línea:	https://doaj.org/article/420c532ca4c44b928858ca57f07b5ee4
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spelling	oai:doaj.org-article:420c532ca4c44b928858ca57f07b5ee42021-11-24T02:21:31ZEFFECTS OF COPPER TOXICITY ON DIFFERENT GROWTH ATTRIBUTES OF PHLOX DRUMMONDII10.26480/ees.01.2021.58.632521-08822521-0483https://doaj.org/article/420c532ca4c44b928858ca57f07b5ee42021-05-01T00:00:00Zhttps://environecosystem.com/archives/1ees2021/1ees2021-58-63.pdfhttps://doaj.org/toc/2521-0882https://doaj.org/toc/2521-0483Heavy metal contamination is one of the major problems prevailing in environment. Copper in high concentration is considered to have serious effects on plant growth parameters which results in chlorosis, disturbed mineral uptake and stunted growth. A pot experiment was conducted to evaluate the ability of Phlox drummondii to tolerate and accumulate high copper doses. Plants were exposed to copper toxicity at three different concentrations (10 ppm, 20 ppm and 30 ppm) by using copper sulfate (CuSO4.5H2O). Results showed that chlorophyll-a, chlorophyll-b, total chlorophyll and carotenoids of treated plants decreased significantly (p˂0.05) with the increase of copper concentration. Selected copper levels showed no effect on plant height, number of leaves, leaf area and ascorbic acid (p>0.05). Relative water content increased significantly (p˂0.05) as compared to control plants. Copper uptake by roots of treated plants was greater as compared to control plants indicating Phlox drummondii ability to grow well in the copper contaminated soils and could be classified as copper tolerant plant. Copper tolerance by phlox was associated with its capacity to absorb and accumulate in roots preventing translocation of metal to other photosynthetic tissues. Therefore, Phlox drummondii has the characteristic to be used as hyperaccumulator by vegetating in copper contaminated soils. Further studies at genetic level would play a key role in understanding the tolerance mechanism of Phlox drummondii towards copper contamination.Syeda FatimaNazia AslamSofia KhalidZibeline Internationalarticlephlox drummondiicopperascorbic acidtoxicitybioremediation.Environmental sciencesGE1-350ENEnvironment & Ecosystem Science, Vol 5, Iss 1, Pp 58-63 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	phlox drummondii copper ascorbic acid toxicity bioremediation. Environmental sciences GE1-350
spellingShingle	phlox drummondii copper ascorbic acid toxicity bioremediation. Environmental sciences GE1-350 Syeda Fatima Nazia Aslam Sofia Khalid EFFECTS OF COPPER TOXICITY ON DIFFERENT GROWTH ATTRIBUTES OF PHLOX DRUMMONDII
description	Heavy metal contamination is one of the major problems prevailing in environment. Copper in high concentration is considered to have serious effects on plant growth parameters which results in chlorosis, disturbed mineral uptake and stunted growth. A pot experiment was conducted to evaluate the ability of Phlox drummondii to tolerate and accumulate high copper doses. Plants were exposed to copper toxicity at three different concentrations (10 ppm, 20 ppm and 30 ppm) by using copper sulfate (CuSO4.5H2O). Results showed that chlorophyll-a, chlorophyll-b, total chlorophyll and carotenoids of treated plants decreased significantly (p˂0.05) with the increase of copper concentration. Selected copper levels showed no effect on plant height, number of leaves, leaf area and ascorbic acid (p>0.05). Relative water content increased significantly (p˂0.05) as compared to control plants. Copper uptake by roots of treated plants was greater as compared to control plants indicating Phlox drummondii ability to grow well in the copper contaminated soils and could be classified as copper tolerant plant. Copper tolerance by phlox was associated with its capacity to absorb and accumulate in roots preventing translocation of metal to other photosynthetic tissues. Therefore, Phlox drummondii has the characteristic to be used as hyperaccumulator by vegetating in copper contaminated soils. Further studies at genetic level would play a key role in understanding the tolerance mechanism of Phlox drummondii towards copper contamination.
format	article
author	Syeda Fatima Nazia Aslam Sofia Khalid
author_facet	Syeda Fatima Nazia Aslam Sofia Khalid
author_sort	Syeda Fatima
title	EFFECTS OF COPPER TOXICITY ON DIFFERENT GROWTH ATTRIBUTES OF PHLOX DRUMMONDII
title_short	EFFECTS OF COPPER TOXICITY ON DIFFERENT GROWTH ATTRIBUTES OF PHLOX DRUMMONDII
title_full	EFFECTS OF COPPER TOXICITY ON DIFFERENT GROWTH ATTRIBUTES OF PHLOX DRUMMONDII
title_fullStr	EFFECTS OF COPPER TOXICITY ON DIFFERENT GROWTH ATTRIBUTES OF PHLOX DRUMMONDII
title_full_unstemmed	EFFECTS OF COPPER TOXICITY ON DIFFERENT GROWTH ATTRIBUTES OF PHLOX DRUMMONDII
title_sort	effects of copper toxicity on different growth attributes of phlox drummondii
publisher	Zibeline International
publishDate	2021
url	https://doaj.org/article/420c532ca4c44b928858ca57f07b5ee4
work_keys_str_mv	AT syedafatima effectsofcoppertoxicityondifferentgrowthattributesofphloxdrummondii AT naziaaslam effectsofcoppertoxicityondifferentgrowthattributesofphloxdrummondii AT sofiakhalid effectsofcoppertoxicityondifferentgrowthattributesofphloxdrummondii
_version_	1718416029590224896

EFFECTS OF COPPER TOXICITY ON DIFFERENT GROWTH ATTRIBUTES OF PHLOX DRUMMONDII

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