Document Detail

Toxic effects, uptake, and translocation of Cd and Pb in perennial ryegrass.
MedLine Citation:
PMID:  23149678     Owner:  NLM     Status:  Publisher    
Cadmium (Cd) and lead (Pb) are regarded as the most toxic environmental pollutants because they are a threat not only to plants, but also to humans. Better understanding of the growth response, uptake and translocation of Cd and Pb in perennial ryegrass (Lolium perenne L.) would be helpful to evaluate the role of this grass species as a potential candidate used for phyto-remediation. Perennial ryegrass seedlings were subjected to three Pb levels (0, 0.5, and 3.2 mM) for 6 days and three Cd levels (0, 0.2, and 0.5 mM) for 7 days in a walk-in growth room. The Cd and Pb reduced the normalized transpiration and growth rate. Greater amount of Cd and Pb accumulated in roots relative to shoots. The enrichment coefficient (EC) and translocation factor (TF) were greater in plants treated with Cd than those with Pb. The dose of Cd had no effect on EC and TF. However, the plants subjected to higher dose of Pb had a greater TF and a lower EC relative to that with lower dose of Pb. Meanwhile, removal rates were decreased when the doses of Pb and Cd increased. The results indicated that perennial ryegrass preferred Cd assimilation to Pb, and can be considered as one of the plant species which accumulate high levels of Cd and Pb.
Yanhong Lou; Hongji Luo; Tao Hu; Huiying Li; Jinmin Fu
Related Documents :
17920878 - Wheat bran biodegradation by pleurotus ostreatus: a solid-state carbon-13 nmr study.
15149118 - Evaluation of tolerance of 20 wheat cultivars to russian wheat aphid diuraphis noxza (m...
25245198 - Resilience of invaded riparian landscapes: the potential role of soil-stored seed banks.
25467868 - Influence of anthropogenic activities on pahs in sediments in a significant gulf of low...
22964388 - Treatment of azo dye-containing wastewater by a fenton-like process in a continuous pac...
21708648 - Effects of fire on sandhill herbs: nutrients, mycorrhizae, and biomass allocation.
Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-11-13
Journal Detail:
Title:  Ecotoxicology (London, England)     Volume:  -     ISSN:  1573-3017     ISO Abbreviation:  Ecotoxicology     Publication Date:  2012 Nov 
Date Detail:
Created Date:  2012-11-14     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9885956     Medline TA:  Ecotoxicology     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Key Laboratory of Plant Germplasm Enhancement and Specialty Agriculture, Wuhan Botanical Garden, The Chinese Academy of Science, Wuhan, 430074, Hubei, People's Republic of China.
Export Citation:
APA/MLA Format     Download EndNote     Download BibTex
MeSH Terms

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

Previous Document:  The fate and role of bone graft-derived cells after autologous tendon and bone transplantation into ...
Next Document:  Identification of gntK, a gene required for the methylation of purpurosamine C-6' in gentamicin bios...