Responses of Populus deltoides × Populus nigra (Populus × euramericana) clone I‐214 to high zinc concentrations

Baccio, D. Di; Tognetti, Roberto; Sebastiani, L.; Vitagliano, C.

doi:10.1046/j.1469-8137.2003.00818.x

Cited by 130 publications

(74 citation statements)

References 37 publications

(44 reference statements)

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The internal leaf concentrations in this study are in the same order of magnitude, but slightly higher than those reported in hydroponically grown red maple, white pine and Norway spruce [8]. They are also higher than those observed in a study using the poplar variety I-214, which had leaf concentrations of 131 mg kg -1 of Zn after only two additions of 1000 µM solution [15].…”

Section: Discussioncontrasting

confidence: 53%

Comparing metal uptake by vegetation under different experimental conditions

Sinnett¹,

Herwijnen²,

Kilbride³

et al. 2006

WIT Transactions on Ecology and the Environment, 94

View full text Add to dashboard Cite

Modern planning policies recognise that the provision of green space such as parkland and community woodland offer multifunctional environmental and social benefits which can contribute strongly to the sustainability of towns and cities. A challenge to such development is that the soils of many former industrial sites often contain elevated concentrations of contaminants including potentially toxic elements, for example metals. The bioavailability of metals can be reduced in the contaminated soil prior to greenspace establishment, thus reducing their risk to ecosystems and human health. For the establishment of a safe greenspace in the perspective of the contaminant receptor pathway linkage an understanding of the uptake, compartmentation and toxicological effects of these contaminants to vegetation is important.We have collated data from hydroponic and contaminated soil pot trials and from field trials on contaminated sites. The data have been used to produce correlations between heavy metal availability, plant uptake and compartmentation of the heavy metals for poplar Fritzi Pauley. From the correlations, models for plant uptake are provided with an assessment on the impact of improved soil conditions and consequent improved plant performance and the metal uptake by these plants. This information may be used to assess the risk for receptors after potential greenspace establishment on heavy metal contaminated soil.

show abstract

Section: Discussioncontrasting

confidence: 53%

Comparing metal uptake by vegetation under different experimental conditions

Sinnett¹,

Herwijnen²,

Kilbride³

et al. 2006

WIT Transactions on Ecology and the Environment, 94

View full text Add to dashboard Cite

show abstract

“…• C. Quantifications of Zn were determined after digestion in concentrated nitric acid (HNO3) by atomic absorption spectrophotometry (model 373; PerkinElmer, Norwalk, CT, USA), as previously described (Di Baccio et al 2003). Chemical analyses were validated by blanks and reference materials.…”

Section: Zinc Analysis In Rootsmentioning

confidence: 99%

Anatomical differences of poplar (Populus × euramericana clone I-214) roots exposed to zinc excess

et al. 2012

Self Cite

View full text Add to dashboard Cite

Poplar is one of the suitable candidates for phytoremediation due to extensive root system, fast growth rate, easy propagation and high biomass production. Zinc (Zn) is an essential element, but at high concentration becomes toxic to plants, similarly like cadmium (Cd). In order to evaluate the effect of Zn on root tissue development we conducted experiments with poplar (Populus ×euramericana clone I-214) grown in hydroponics. Plants were treated with low (control) and excess level of Zn (1 mM). Changes in the development of apoplasmic barriers -Casparian bands and suberin lamellae in endodermis, as well as lignification of xylem vessels have been investigated. We found that both apoplasmic barriers developed closer to the root apex in higher Zn-treated root when compared with control root. Similar changes were observed in lignification of xylem vessels. For localization of Zn within root tissues, cryo-SEM/EDXMA analyses were used. Most of Zn was localized in the cortical tissues and four-time less Zn was determined in the inner part of the root below the endodermis. This indicates that endodermis serves as efficient barrier of apoplasmic Zn transport across the poplar root.

show abstract

“…"Indicators" have a relatively constant root uptake over a wide gradient of trace elements in the soil. Driven by the potential of their use to extract and remove (or stabilize) toxic metals from contaminated soils (Salt et al 1998), there has been recent progress in our understand ing of the uptake, translocation and compart mentation of heavy metals in poplars (e.g., Di Baccio et al 2003, Borghi et al 2007.…”

Section: Introductionmentioning

confidence: 99%