Abstract:
:Species and hybrids between species belonging to the genera Populus (poplar) and Salix (willow) have been used successfully for phytoremediation of contaminated soils. Our objectives were to: 1) evaluate the potential for establishing genotypes of poplar and willow on soils heavily contaminated with petroleum hydrocarbons and 2) identify promising genotypes for potential use in future systems. We evaluated height, diameter, and volume after first year budset by testing 20 poplar clones and two willow clones. Unrooted cuttings, 20 cm long, were planted in randomized complete blocks at 0.91- x 0.91-m spacing at Gary, IN, USA (41.5 degrees N, 87.3 degrees W). Four commercial poplar clones (NM6, DN5, DN34, and DN182) were planted as 20- and 60-cm cuttings. Sixty-cm cuttings exhibited greater height and diameter than 20-cm cuttings; however, we recommend continued use and testing of different combinations of genotype and cutting length. We identified promising genotypes for potential use in future systems and we recommend allocating the majority of resources into commercial poplar clones, given their generalist growth performance. However, further utilization and selection of experimental clones is needed. Specific clones rather than genomic groups should be selected based on the geographic location and soil conditions of the site.
journal_name
Int J Phytoremediationjournal_title
International journal of phytoremediationauthors
Zalesny RS Jr,Bauer EO,Hall RB,Zalesny JA,Kunzman J,Rog CJ,Riemenschneider DEdoi
10.1080/16226510500214632keywords:
subject
Has Abstractpub_date
2005-01-01 00:00:00pages
177-97issue
3eissn
1522-6514issn
1549-7879journal_volume
7pub_type
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journal_title:International journal of phytoremediation
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