Effects of Cadmium Stress on Leaf Photosynthesis and Dry Matter Allocation of Populus×euramericana (Dode)Guineir cv.‘Neva’

LIN Xiao-hui; DUAN Ai-guo; HE Cai-yun; ZHANG Jian-guo

Volume 25 Issue 5

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Article Navigation > Forest Research > 2012 > 25(5): 651-656

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Effects of Cadmium Stress on Leaf Photosynthesis and Dry Matter Allocation of Populus×euramericana (Dode)Guineir cv.‘Neva’

1.
Key Laboratory of Tree Breeding and Cultivation, State Forestry Administration,Research Institute of Forestry, Chinese Academy of Forestry, Beijing 100091, China
2.
Environmental Protection Bureau of Dezhou, Shandong Province, Dezhou 253012, Shandong, China

Received Date: 2011-02-26

Abstract

The effects of cadmium stress on leaf photosynthesis and dry matter allocation for one-year-old seedlings of Populus × euramericana(Dode)Guineir cv.‘Neva’ were studied through potted cultivation. The results showed that in the early 10 days of cadmium stress, the net photosynthetic rates (Pn) of seedlings of four trial treatments greatly decreased at first followed by relatively slow various increase, relative to contrast, the treatments of 50, 100, 150 and 200 mg·kg-1 respectively had the maximum reduction of 17.1%, 17.8%,23.9%, and 24.7%. The higher the concentration of cadmium stress was, the bigger the descending depth was. The main factor that caused the descending of Pn was the occurrence of photosynthesis restriction induced by stoma restriction. At the stage of 10-40 d after treatment, different cadmium concentration treatment had no significant difference. After treatment time arrived at 60 d and 80 d, 200 mg·kg-1 cadmium stress had significant effect on Pn, the others didn’t arrive at significant levels. The cadmium concentration of 150 mg·kg-1 might be the key threshold for photosynthesis of P. × euramericana(Dode)Guineir cv.‘Neva’. The stem allocation ratio of P. × euramericana(Dode)Guineir cv.‘Neva’ seedlings increased with the increasing cadmium concentration, while the root allocation ratio decreased with the increasing cadmium concentration, the treatment of 200 mg·kg-1 could significantly decrease the root-shoot ratio of seedlings, and greatly baffle the growth of roots.
- Populus × euramericana(Dode)Guineir cv.‘Neva’,
- cadmium stress,
- net photosynthetic rate,
- intercellular CO₂ concentration,
- dry matter allocation,
- root-shoot ratio

References

[1]	陈怀满.土壤—植物系统中的重金属污染[M].北京:科学出版社,1996:171-851
[2]	孟凡乔,史雅娟,吴文良.我国无污染农产品重金属元素土壤环境质量标准的制定与研究进展[J].农业环境保护,2000,19(6):356-359
[3]	崔力拓,耿世刚,李志伟.我国农田土壤镉污染现状及防治对策[J].现代农业科技,2006(11s): 184-185
[4]	Gupta U C, Gupta S C. Trace element toxicity relationships to crop production and livestock and human health: Implications formanagement[J].Communications in SoilScience and PlantAnalysis, 1998, 29(11): 1491-1522
[5]	Sanita D I, Toppi L, Gabbriel L R. Response to cadmium in higher plants[J].Environmental and ExperimentalBotany, 1999, 41(2): 105-130
[6]	Arduini I, Masoni A, Mariotti M, et al. Low cadmium application increase miscanthus growth and cadmium translocation[J]. Environmental and Experimental Botany, 2004(52):89-100
[7]	Solti A, Gaspar L, Szigeti Z, et al. Impact of iron supply on the kinetics of recovery of photosynthesis in Cd-stressed Poplar (Populus glauca) [J]. Annals of botany, 2008,102(5):771
[8]	杨盛昌,吴琦. Cd对桐花树幼苗生长及某些生理特性的影响[J].海洋环境科学,2003,22(1):38-42
[9]	李亚藏,王庆成,马树华.四种北方阔叶树种苗木对土壤镉胁迫的生长反应与抗性比较[J].应用生态学报,2005,16(4):655-659
[10]	Zhou W B, Qiu B S. Effects of cadmium hyperaccumulation on physiological characteristics of Sedum alfredii Hance (Crassulaceae)[J].Plant Science,2005,169(4):737-745
[11]	Baker A, Brooks R R. Terrestrial higher plants which hyper accumulate metallic elements:a review of their distribution,ecology and phytochemistry [J].Biorecovery,1989,1(2):81-126
[12]	Salt D E, Prince R C, Pickering I J, et al. Mechanisms of cadmium mobility and accumulation in Indian Mustard[J].Plant Physiol, 1995, 109: 1427-1433
[13]	Vandecasteele B, Lauriks R, De Vos B, et al. Cd and Zn concentration in hybrid poplar foliage and leaf beetles grown on polluted sediment-derived soils[J].Environ Monit Assess, 2003, 89(3): 263-283
[14]	高楠,张志强,王国玉,等.四种城市绿化乔木树种污染物去除效果研究[J].中国水土保持,2009(7):22-24
[15]	姚斌,谷雪景,尚鹤,等.污染土壤杨树修复过程中根际阿特拉津的降解及其微生物区系[J].林业科学,2009,45(6):149-152
[16]	姚斌,向仰州,尚鹤,等.杨树品系在五氯酚污染土壤上的生长适宜性试验[J].山地农业生物学报,2009,28(2):104-108
[17]	Robinson B H, Green S R, Chancerel B, et al. Poplar for the phytomanagement of boron contaminated sites[J]. Environmental Pollution, 2007, 150(2): 225-233
[18]	Robinson B H, Mills T M. Natural aninduced cadmium-accumulation in poplar and willow:Implications for phytoremediation[J]. Plant and Soil, 2000, 227(1):301-306
[19]	Cunningham S D, Ow D W. Promises and prospects of phytoremediation[J].Plant Physiol,1996,110(3):715-719
[20]	Farquhar G D, Sharkey T D. Stomatal conductance and photosynthesis[J].Plant Physiology,1982,33(1):317-345
[21]	Maria N, Utmazian D S, Walter W, et al. Cadmium and zinc accumulation in willow and poplar species grown on polluted soils[J].Plant Nutrition and Soil Science,2007,170(2):265-272
[22]	苏玲,章永松,林咸永,等.维管植物的镉毒和耐性机制[J].植物营养与肥料学报,2000,6(1):106-112
[23]	慈敦伟,姜东,戴廷波,等. 镉毒害对小麦幼苗光合及叶绿素荧光特性的影响[J].麦类作物学报,2005,25(5):88-91
[24]	顾颉刚.镉胁迫对杨树无性系植株生长发育及部分生理特性影响的研究 .天津:天津师范大学,2008
[25]	Bidel P R, Pagès L, Rivière L M, et al. MassFlowDyn I:A carbon transportand partitioningmodel for root system architecture[J]. Annals of Botany,2000,85(6): 869-886
[26]	Unterbrunner R, Puschenreiter M, Sommer P, et al. Heavy metal accumulation in trees growing on contaminated sites in Central Europe[J]. Environmental Pollution, 2007, 148(1):107-114
[27]	Elena D A, Lucia C,Vincenza A. Improvement of Brassica napus growth under cadmium stress by cadmium-resistant rhizobacteria[J]. Soil Biology Biochemistry, 2008, 40(1):74-84
[28]	Katarina V, Lubica H, Jana H, et al. Effect of cadmium on diaphorase activity and nitric oxide production in barley root tips[J]. Journal of Plant Physiology, 2010, 167(1): 10-14
[29]	Durand T C, Hausman J F, Carpin S, et al. Zinc and cadmium effects on growth and ion distribution in Populus tremula× Populus alba[J]. Biologia Plantarum, 2010, 54(1):191-194

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通讯作者: 陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

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Effects of Cadmium Stress on Leaf Photosynthesis and Dry Matter Allocation of Populus×euramericana (Dode)Guineir cv.‘Neva’

1. Key Laboratory of Tree Breeding and Cultivation, State Forestry Administration,Research Institute of Forestry, Chinese Academy of Forestry, Beijing 100091, China

2. Environmental Protection Bureau of Dezhou, Shandong Province, Dezhou 253012, Shandong, China

Received Date: 2011-02-26

Available Online: 2012-10-11

Abstract: The effects of cadmium stress on leaf photosynthesis and dry matter allocation for one-year-old seedlings of Populus × euramericana(Dode)Guineir cv.‘Neva’ were studied through potted cultivation. The results showed that in the early 10 days of cadmium stress, the net photosynthetic rates (Pn) of seedlings of four trial treatments greatly decreased at first followed by relatively slow various increase, relative to contrast, the treatments of 50, 100, 150 and 200 mg·kg-1 respectively had the maximum reduction of 17.1%, 17.8%,23.9%, and 24.7%. The higher the concentration of cadmium stress was, the bigger the descending depth was. The main factor that caused the descending of Pn was the occurrence of photosynthesis restriction induced by stoma restriction. At the stage of 10-40 d after treatment, different cadmium concentration treatment had no significant difference. After treatment time arrived at 60 d and 80 d, 200 mg·kg-1 cadmium stress had significant effect on Pn, the others didn’t arrive at significant levels. The cadmium concentration of 150 mg·kg-1 might be the key threshold for photosynthesis of P. × euramericana(Dode)Guineir cv.‘Neva’. The stem allocation ratio of P. × euramericana(Dode)Guineir cv.‘Neva’ seedlings increased with the increasing cadmium concentration, while the root allocation ratio decreased with the increasing cadmium concentration, the treatment of 200 mg·kg-1 could significantly decrease the root-shoot ratio of seedlings, and greatly baffle the growth of roots.

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Reference (29)

[1]	陈怀满.土壤—植物系统中的重金属污染[M].北京:科学出版社,1996:171-851
[2]	孟凡乔,史雅娟,吴文良.我国无污染农产品重金属元素土壤环境质量标准的制定与研究进展[J].农业环境保护,2000,19(6):356-359
[3]	崔力拓,耿世刚,李志伟.我国农田土壤镉污染现状及防治对策[J].现代农业科技,2006(11s): 184-185
[4]	Gupta U C, Gupta S C. Trace element toxicity relationships to crop production and livestock and human health: Implications formanagement[J].Communications in SoilScience and PlantAnalysis, 1998, 29(11): 1491-1522
[5]	Sanita D I, Toppi L, Gabbriel L R. Response to cadmium in higher plants[J].Environmental and ExperimentalBotany, 1999, 41(2): 105-130
[6]	Arduini I, Masoni A, Mariotti M, et al. Low cadmium application increase miscanthus growth and cadmium translocation[J]. Environmental and Experimental Botany, 2004(52):89-100
[7]	Solti A, Gaspar L, Szigeti Z, et al. Impact of iron supply on the kinetics of recovery of photosynthesis in Cd-stressed Poplar (Populus glauca) [J]. Annals of botany, 2008,102(5):771
[8]	杨盛昌,吴琦. Cd对桐花树幼苗生长及某些生理特性的影响[J].海洋环境科学,2003,22(1):38-42
[9]	李亚藏,王庆成,马树华.四种北方阔叶树种苗木对土壤镉胁迫的生长反应与抗性比较[J].应用生态学报,2005,16(4):655-659
[10]	Zhou W B, Qiu B S. Effects of cadmium hyperaccumulation on physiological characteristics of Sedum alfredii Hance (Crassulaceae)[J].Plant Science,2005,169(4):737-745
[11]	Baker A, Brooks R R. Terrestrial higher plants which hyper accumulate metallic elements:a review of their distribution,ecology and phytochemistry [J].Biorecovery,1989,1(2):81-126
[12]	Salt D E, Prince R C, Pickering I J, et al. Mechanisms of cadmium mobility and accumulation in Indian Mustard[J].Plant Physiol, 1995, 109: 1427-1433
[13]	Vandecasteele B, Lauriks R, De Vos B, et al. Cd and Zn concentration in hybrid poplar foliage and leaf beetles grown on polluted sediment-derived soils[J].Environ Monit Assess, 2003, 89(3): 263-283
[14]	高楠,张志强,王国玉,等.四种城市绿化乔木树种污染物去除效果研究[J].中国水土保持,2009(7):22-24
[15]	姚斌,谷雪景,尚鹤,等.污染土壤杨树修复过程中根际阿特拉津的降解及其微生物区系[J].林业科学,2009,45(6):149-152
[16]	姚斌,向仰州,尚鹤,等.杨树品系在五氯酚污染土壤上的生长适宜性试验[J].山地农业生物学报,2009,28(2):104-108
[17]	Robinson B H, Green S R, Chancerel B, et al. Poplar for the phytomanagement of boron contaminated sites[J]. Environmental Pollution, 2007, 150(2): 225-233
[18]	Robinson B H, Mills T M. Natural aninduced cadmium-accumulation in poplar and willow:Implications for phytoremediation[J]. Plant and Soil, 2000, 227(1):301-306
[19]	Cunningham S D, Ow D W. Promises and prospects of phytoremediation[J].Plant Physiol,1996,110(3):715-719
[20]	Farquhar G D, Sharkey T D. Stomatal conductance and photosynthesis[J].Plant Physiology,1982,33(1):317-345
[21]	Maria N, Utmazian D S, Walter W, et al. Cadmium and zinc accumulation in willow and poplar species grown on polluted soils[J].Plant Nutrition and Soil Science,2007,170(2):265-272
[22]	苏玲,章永松,林咸永,等.维管植物的镉毒和耐性机制[J].植物营养与肥料学报,2000,6(1):106-112
[23]	慈敦伟,姜东,戴廷波,等. 镉毒害对小麦幼苗光合及叶绿素荧光特性的影响[J].麦类作物学报,2005,25(5):88-91
[24]	顾颉刚.镉胁迫对杨树无性系植株生长发育及部分生理特性影响的研究 .天津:天津师范大学,2008
[25]	Bidel P R, Pagès L, Rivière L M, et al. MassFlowDyn I:A carbon transportand partitioningmodel for root system architecture[J]. Annals of Botany,2000,85(6): 869-886
[26]	Unterbrunner R, Puschenreiter M, Sommer P, et al. Heavy metal accumulation in trees growing on contaminated sites in Central Europe[J]. Environmental Pollution, 2007, 148(1):107-114
[27]	Elena D A, Lucia C,Vincenza A. Improvement of Brassica napus growth under cadmium stress by cadmium-resistant rhizobacteria[J]. Soil Biology Biochemistry, 2008, 40(1):74-84
[28]	Katarina V, Lubica H, Jana H, et al. Effect of cadmium on diaphorase activity and nitric oxide production in barley root tips[J]. Journal of Plant Physiology, 2010, 167(1): 10-14
[29]	Durand T C, Hausman J F, Carpin S, et al. Zinc and cadmium effects on growth and ion distribution in Populus tremula× Populus alba[J]. Biologia Plantarum, 2010, 54(1):191-194

Effects of Cadmium Stress on Leaf Photosynthesis and Dry Matter Allocation of Populus×euramericana (Dode)Guineir cv.‘Neva’

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通讯作者: 陈斌, bchen63@163.com

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Effects of Cadmium Stress on Leaf Photosynthesis and Dry Matter Allocation of Populus×euramericana (Dode)Guineir cv.‘Neva’

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