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Influence of Cd.sup.2+ on Growth and Chlorophyll Fluorescence in a Hyperaccumulator: Lonicera japonica Thunb.(Report)

Byline: Zhouli Liu (1), Wei Chen (1), Xingyuan He (1,2) Keywords: Lonicera japonica Thunb.; Cadmium; Hyperaccumulator; Chlorophyll fluorescence Abstract: Chlorophyll fluorescence is an important instrument to study the responses of plants to cadmium (Cd) stress, which in turn can provide a better un... Full description

Journal Title: Journal of Plant Growth Regulation Sept, 2015, Vol.34(3), p.672(5)
Main Author: Liu, Zhouli
Other Authors: Chen, Wei , He, Xingyuan
Format: Electronic Article Electronic Article
Language: English
Subjects:
Quelle: Cengage Learning, Inc.
ID: ISSN: 0721-7595
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recordid: gale_hrca427977301
title: Influence of Cd.sup.2+ on Growth and Chlorophyll Fluorescence in a Hyperaccumulator: Lonicera japonica Thunb.(Report)
format: Article
creator:
  • Liu, Zhouli
  • Chen, Wei
  • He, Xingyuan
subjects:
  • Soil Ecology -- Growth
  • Photosynthesis -- Growth
  • Chlorophyll -- Growth
  • Fluorescence
ispartof: Journal of Plant Growth Regulation, Sept, 2015, Vol.34(3), p.672(5)
description: Byline: Zhouli Liu (1), Wei Chen (1), Xingyuan He (1,2) Keywords: Lonicera japonica Thunb.; Cadmium; Hyperaccumulator; Chlorophyll fluorescence Abstract: Chlorophyll fluorescence is an important instrument to study the responses of plants to cadmium (Cd) stress, which in turn can provide a better understanding of Cd tolerance in plants. In the present study, the influence due to cadmium (Cd.sup.2+) exposure on growth and chlorophyll fluorescence was investigated in a new hyperaccumulator--Lonicera japonica Thunb. Four levels of Cd.sup.2+ (0, 5, 25, and 125 mg kg.sup.-1) were added to the soil. After 90 days of Cd.sup.2+ exposure, maximal photochemical efficiency of photosystem II (F .sub.v/F .sub.m) and effective quantum yield of photosystem II (I[bar]PS II) of L. japonica showed an increase under 5 mg kg.sup.-1 Cd.sup.2+ exposure, but decreased under higher concentrations of [Cd.sup.2+]exposure. However, when Cd concentrations in soil were up to the highest concentrations (125 mg kg.sup.-1), no significant differences of F .sub.v/F .sub.m, I[bar]PS II, photochemical quenching, chlorophyll, and carotenoid contents compared with the control were observed. These results indicate that the good tolerance of L. japonica to Cd might result from effective mechanisms including the capacity to maintain good growth, photosynthetic pigment composition, and chlorophyll fluorescence activity, which would be beneficial to enhance the potential for phytoremediation. Author Affiliation: (1) State Key Laboratory of Forest and Soil Ecology, Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang, 110164, Liaoning, China (2) Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences, Changchun, 130012, Jilin, China Article History: Registration Date: 13/02/2015 Received Date: 27/05/2014 Accepted Date: 05/01/2015 Online Date: 03/05/2015
language: English
source: Cengage Learning, Inc.
identifier: ISSN: 0721-7595
fulltext: fulltext
issn:
  • 0721-7595
  • 07217595
url: Link


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titleInfluence of Cd.sup.2+ on Growth and Chlorophyll Fluorescence in a Hyperaccumulator: Lonicera japonica Thunb.(Report)
creatorLiu, Zhouli ; Chen, Wei ; He, Xingyuan
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subjectSoil Ecology -- Growth ; Photosynthesis -- Growth ; Chlorophyll -- Growth ; Fluorescence
descriptionByline: Zhouli Liu (1), Wei Chen (1), Xingyuan He (1,2) Keywords: Lonicera japonica Thunb.; Cadmium; Hyperaccumulator; Chlorophyll fluorescence Abstract: Chlorophyll fluorescence is an important instrument to study the responses of plants to cadmium (Cd) stress, which in turn can provide a better understanding of Cd tolerance in plants. In the present study, the influence due to cadmium (Cd.sup.2+) exposure on growth and chlorophyll fluorescence was investigated in a new hyperaccumulator--Lonicera japonica Thunb. Four levels of Cd.sup.2+ (0, 5, 25, and 125 mg kg.sup.-1) were added to the soil. After 90 days of Cd.sup.2+ exposure, maximal photochemical efficiency of photosystem II (F .sub.v/F .sub.m) and effective quantum yield of photosystem II (I[bar]PS II) of L. japonica showed an increase under 5 mg kg.sup.-1 Cd.sup.2+ exposure, but decreased under higher concentrations of [Cd.sup.2+]exposure. However, when Cd concentrations in soil were up to the highest concentrations (125 mg kg.sup.-1), no significant differences of F .sub.v/F .sub.m, I[bar]PS II, photochemical quenching, chlorophyll, and carotenoid contents compared with the control were observed. These results indicate that the good tolerance of L. japonica to Cd might result from effective mechanisms including the capacity to maintain good growth, photosynthetic pigment composition, and chlorophyll fluorescence activity, which would be beneficial to enhance the potential for phytoremediation. Author Affiliation: (1) State Key Laboratory of Forest and Soil Ecology, Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang, 110164, Liaoning, China (2) Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences, Changchun, 130012, Jilin, China Article History: Registration Date: 13/02/2015 Received Date: 27/05/2014 Accepted Date: 05/01/2015 Online Date: 03/05/2015
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titleInfluence of Cd.sup.2+ on Growth and Chlorophyll Fluorescence in a Hyperaccumulator: Lonicera japonica Thunb.(Report)
descriptionByline: Zhouli Liu (1), Wei Chen (1), Xingyuan He (1,2) Keywords: Lonicera japonica Thunb.; Cadmium; Hyperaccumulator; Chlorophyll fluorescence Abstract: Chlorophyll fluorescence is an important instrument to study the responses of plants to cadmium (Cd) stress, which in turn can provide a better understanding of Cd tolerance in plants. In the present study, the influence due to cadmium (Cd.sup.2+) exposure on growth and chlorophyll fluorescence was investigated in a new hyperaccumulator--Lonicera japonica Thunb. Four levels of Cd.sup.2+ (0, 5, 25, and 125 mg kg.sup.-1) were added to the soil. After 90 days of Cd.sup.2+ exposure, maximal photochemical efficiency of photosystem II (F .sub.v/F .sub.m) and effective quantum yield of photosystem II (I[bar]PS II) of L. japonica showed an increase under 5 mg kg.sup.-1 Cd.sup.2+ exposure, but decreased under higher concentrations of [Cd.sup.2+]exposure. However, when Cd concentrations in soil were up to the highest concentrations (125 mg kg.sup.-1), no significant differences of F .sub.v/F .sub.m, I[bar]PS II, photochemical quenching, chlorophyll, and carotenoid contents compared with the control were observed. These results indicate that the good tolerance of L. japonica to Cd might result from effective mechanisms including the capacity to maintain good growth, photosynthetic pigment composition, and chlorophyll fluorescence activity, which would be beneficial to enhance the potential for phytoremediation. Author Affiliation: (1) State Key Laboratory of Forest and Soil Ecology, Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang, 110164, Liaoning, China (2) Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences, Changchun, 130012, Jilin, China Article History: Registration Date: 13/02/2015 Received Date: 27/05/2014 Accepted Date: 05/01/2015 Online Date: 03/05/2015
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abstractByline: Zhouli Liu (1), Wei Chen (1), Xingyuan He (1,2) Keywords: Lonicera japonica Thunb.; Cadmium; Hyperaccumulator; Chlorophyll fluorescence Abstract: Chlorophyll fluorescence is an important instrument to study the responses of plants to cadmium (Cd) stress, which in turn can provide a better understanding of Cd tolerance in plants. In the present study, the influence due to cadmium (Cd.sup.2+) exposure on growth and chlorophyll fluorescence was investigated in a new hyperaccumulator--Lonicera japonica Thunb. Four levels of Cd.sup.2+ (0, 5, 25, and 125 mg kg.sup.-1) were added to the soil. After 90 days of Cd.sup.2+ exposure, maximal photochemical efficiency of photosystem II (F .sub.v/F .sub.m) and effective quantum yield of photosystem II (I[bar]PS II) of L. japonica showed an increase under 5 mg kg.sup.-1 Cd.sup.2+ exposure, but decreased under higher concentrations of [Cd.sup.2+]exposure. However, when Cd concentrations in soil were up to the highest concentrations (125 mg kg.sup.-1), no significant differences of F .sub.v/F .sub.m, I[bar]PS II, photochemical quenching, chlorophyll, and carotenoid contents compared with the control were observed. These results indicate that the good tolerance of L. japonica to Cd might result from effective mechanisms including the capacity to maintain good growth, photosynthetic pigment composition, and chlorophyll fluorescence activity, which would be beneficial to enhance the potential for phytoremediation. Author Affiliation: (1) State Key Laboratory of Forest and Soil Ecology, Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang, 110164, Liaoning, China (2) Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences, Changchun, 130012, Jilin, China Article History: Registration Date: 13/02/2015 Received Date: 27/05/2014 Accepted Date: 05/01/2015 Online Date: 03/05/2015
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