Response to sodium chloride in different species and clones of genus Populus L.

Authors: Sixto, H.; Grau, J.M.; Alba, N.; Alía, R.

Source: Forestry, Volume 78, Number 1, January 2005 , pp. 93-104(12)

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Abstract:

A greenhouse study was undertaken to evaluate the response to sodium chloride (control, 68 mM and 137 mM) of different species and genotypes of genus Populus L. (P. × euramericana (Dode) Guinier clones: ‘I-214’, ‘Flevo’, ‘I-MC’ and ‘Triplo’; P. deltoides × P. alba clones: ‘M30’ and ‘M31’; P. alba L. clones: ‘Jalón-F-1–22’, ‘Jalón F-1–4’, ‘Guadalquivir F-21–38’,‘Guadalquivir F-21–39’, ‘Guadalquivir F-21–40’ and ‘Montañana F-2–9’; and P. euphratica Oliv.). Survival, visual symptomatology, height growth, dry weight both in shoots and roots, photosynthesis rate and leaf concentrations of Na⁺, K⁺ and Ca²⁺ were evaluated. There were differences in survival between clones (0 per cent for the most sensitive and 100 per cent for the most tolerant) but growth was significantly reduced in all cases except for dry weight of P. euphratica at 68 mM. The photosynthesis rate was significantly reduced in all clones at the end of the experiment (60 days) but not in the same way in the middle (30 days). The leaf levels of Na⁺, K⁺ and Ca²⁺ were also significantly different between clones. Intra- and interspecific variability have been detected in the genus, especially in P. alba.

Document Type: Research article

DOI: http://dx.doi.org/10.1093/forestry/cpi009

Affiliations: 1: Corresponding author., Email: sixto@inia.es

Publication date: 2005-01-01

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Forestry publishes refereed papers on all aspects of research, practice and policy that promote the sustainable development of forests, woodlands and trees. In considering suitability for publication attention is given to both the originality of contributions and their practical application. Preference is usually given to work undertaken in the temperate and/or boreal zones; only articles of exceptional merit from tropical zones will also be considered.

Response to sodium chloride in different species and clones of genus Populus L.

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