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Tang J.,University of Lodz | Tang J.,Peking University | Daroch M.,University of Lodz | Daroch M.,Peking University | And 4 more authors.
Planta | Year: 2015

Mainconclusion: Analysis of 180 accessions of Miscanthus using a DArT platform revealed high diversity. The phylogenetic analysis revealed thatM. × giganteusaccessions fall into two genetically distinct groups. Miscanthus is a genus of perennial rhizomatous grasses that has emerged in last 20 years as a feedstock for bioenergy and biofuel production. Currently, the most widely used accession for bioenergy purposes is Miscanthus × giganteus, a sterile triploid hybrid between Miscanthussinensis and Miscanthussacchariflorus. However, previous reports have shown that genetic diversity of Miscanthus × giganteus is limited. Here, we report development of Diversity Arrays Technology platform for the analysis of genetic structure of a Miscanthus collection of 180 accessions. A total of 906 markers were obtained of which around 25.5 % exhibited polymorphism information content value in the range of 0.40 and 0.50 and are considered particularly informative. Newly developed marker system will serve as an additional resource to assist crop improvement, germplasm preservation and genetic studies. Three types of analysis indicated that 180 accessions from the collection were well differentiated and presented high diversity. Interestingly, the analysis revealed that there are two separate groups of plants, significantly differing in genetic diversity, that are commercially available as M. × giganteus. We suggest that one of these groups is most likely mutants or somaclonal variants of original M. × giganteus. The other group is recent hybrids of Miscanthus of higher genetic diversity. This study indicates that the diversity of commercially available M. × giganteus is higher than commonly assumed. Development of the new marker system can significantly assist breeding of new commercial cultivars of Miscanthus for bioenergy use. © 2015, Springer-Verlag Berlin Heidelberg.

Pogrzeba M.,Institute for Ecology of Industrial Areas IETU | Krzyzak J.,Institute for Ecology of Industrial Areas IETU | Sas-Nowosielska A.,Institute for Ecology of Industrial Areas IETU | Majtkowski W.,Polish Institute of Plant Breeding and Acclimatization | And 2 more authors.
NATO Science for Peace and Security Series C: Environmental Security | Year: 2011

Several assessments of the potential biomass supply in Europe show that the best means of biomass production are growing energy crops on agricultural land. Cultivation of energy crops on agricultural areas might lead to accumulation of heavy metals in plant tissues and reemission of contaminants into the atmosphere during combustion. The goal of the present study was to assess how soil contamination influences heavy metals accumulation in energy plant tissues. The current paper presents the results of screening of selected plants (Spartina pectinata, Miscanthus sp., Helianthus tuberosus, Elymus elongatus) conducted in uncontaminated region of Poland (North-Eastern part of the country) aimed at finding natural abilities to uptake small amounts of heavy metals and accumulate is in the plant tissue. Based on this screening, Miscanthus sp. was tested on heavy metal contaminated arable soil in Southern Poland. This species accumulates high amounts of metals what may cause high emission of contaminants during biomass combustion. © Springer Science+Business Media B.V. 2011.

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