Institute Madrileno Of Investigacion Y Desarrollo Rural

Alcalá de Henares, Spain

Institute Madrileno Of Investigacion Y Desarrollo Rural

Alcalá de Henares, Spain
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Perez-Sanz A.,Institute Madrileno Of Investigacion Y Desarrollo Rural | Millan R.,CIEMAT | Sierra M.J.,CIEMAT | Alarcon R.,Institute Madrileno Of Investigacion Y Desarrollo Rural | And 4 more authors.
Journal of Environmental Management | Year: 2012

Mercury is a highly toxic pollutant with expensive clean up, because of its accumulative and persistent character in the biota. The objective of this work was to evaluate the effectiveness of Silene vulgaris, facultative metallophyte which have populations on both non-contaminated and metalliferous soils, to uptake Hg from artificially polluted soils. A pot experiment was carried out in a rain shelter for a full growth period. Two soils (C pH=8.55 O.M. 0.63% and A pH=7.07 O.M. 0.16%) were used, previously contaminated with Hg as HgCl 2 (0.6 and 5.5mg Hgkg -1 soil). Plants grew healthy and showed good appearance throughout the study without significantly decreasing biomass production. Mercury uptake by plants increased with the mercury concentration found in both soils. Differences were statistically significant between high dosage and untreated soil. The fact that S. vulgaris retains more mercury in root than in shoot and also, the well known effectiveness of these plants in the recovering of contaminated soils makes S. vulgaris a good candidate to phytostabilization technologies. © 2010 Elsevier Ltd.


Rustioni L.,University of Milan | Maghradze D.,The University of Georgia | Popescu C.F.,University of Bucharest | Cola G.,University of Milan | And 40 more authors.
Vitis - Journal of Grapevine Research | Year: 2014

A standard protocol for phenotyping structural and compositional aspects of the grape berry has been adopted by 18 East and West European germplasm collections during one season by testing a total of 469 accessions, including reference cultivars as well as local and minor germplasm accessions of specific interest. The protocol consists in the collection of triplicates for 26 phenotypic traits, from biological samples, each formed by 10 berries collected from 9 representative bunches from every analyzed accessions. The protocol concatenates the data from measurements and acquisitions, with the objective to generate new derived variables, which are expressed with different units (%; content per kg of grapes, per berry, per g of tissue). For each variable, the Least Significant Differences (LSD), to contrast a pair of single accession mean values, and the Confidence Intervals (CI), to estimate each single accession mean value, were computed. The application of the protocol revealed satisfactory results with high accuracy and efficiency in estimation of phenotypic traits of each accession. The whole data set will be useful for researchers, breeders and viticulturists in yield evaluation of grapevine cultivars, as well as in comparative analyses of environment-variety interaction.

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