<abstract xmlns="http://www.w3.org/1999/xhtml">The aim of this study was to determine the effect of substrate salinity caused by increasing NaCl doses on growth and development of ornamental grasses: <italic>Briza media</italic> L., <italic>Deschampsia cespitosa</italic> (L.) P. Beauv., <italic>Koeleria glauca</italic> (Spreng.) DC., <italic>Sesleria caerulea</italic> (L.) Ard. and <italic>Sorghastrum nutans</italic> (L.) Nash. Results provide the basis for the preliminary classification of analyzed grasses in terms of their tolerance to substrate salinity. Grasses, responding negatively to substrate salinity caused by small doses of 5 and 10 g·NaCl·dm−3, may be considered to be sensitive species. Within the studied genotypes, <italic>B. media</italic> showed a negative response to salt stress in most of the analyzed traits. Genotypes responded differently to salinity but all had a decreased tolerance index even at the lowest concentration of NaCl. The lowest percentages of dry leaves at 5 and 10 g NaCl·dm−3 were in <italic>K. glauca</italic> and <italic>S. caerulea</italic>. The percentage of dry matter and leaf greenness were least affected.</abstract>

The aim of this study was to determine the effect of substrate salinity caused by increasing NaCl doses on growth and development of ornamental grasses: Briza media L., Deschampsia cespitosa (L.) P. Beauv., Koeleria glauca (Spreng.) DC., Sesleria caerulea (L.) Ard. and Sorghastrum nutans (L.) Nash. Results provide the basis for the preliminary classification of analyzed grasses in terms of their tolerance to substrate salinity. Grasses, responding negatively to substrate salinity caused by small doses of 5 and 10 g·NaCl·dm−3, may be considered to be sensitive species. Within the studied genotypes, B. media showed a negative response to salt stress in most of the analyzed traits. Genotypes responded differently to salinity but all had a decreased tolerance index even at the lowest concentration of NaCl. The lowest percentages of dry leaves at 5 and 10 g NaCl·dm−3 were in K. glauca and S. caerulea. The percentage of dry matter and leaf greenness were least affected.

Growth of Ornamental Grasses Under Salinity Stress

Poznań University of Life Sciences, ul. Dąbrowskiego 159, 60-594 Poznań

Journal of Horticultural Research

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

{"article-title":"Growth of Ornamental Grasses Under Salinity Stress"}

The aim of this study was to determine the effect of substrate salinity caused by increasing NaCl doses on growth and development of ornamental grasses: Briza...

Growth of Ornamental Grasses Under Salinity Stress

Publié en ligne: 30 déc. 2016

Pages: 5 - 11

Reçu: 01 sept. 2016

Accepté: 01 déc. 2016

DOI: https://doi.org/10.1515/johr-2016-0014

Mots clés
shoots, dry matter content, leaf chlorophyll content index, leaves, sodium chloride

© 2016 Monika Henschke, published by De Gruyter Open

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Growth of Ornamental Grasses Under Salinity Stress

Publié en ligne: 30 déc. 2016

Pages: 5 - 11

Reçu: 01 sept. 2016

Accepté: 01 déc. 2016

DOI: https://doi.org/10.1515/johr-2016-0014

Mots clésshoots, dry matter content, leaf chlorophyll content index, leaves, sodium chloride

© 2016 Monika Henschke, published by De Gruyter Open

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Mots clés
shoots, dry matter content, leaf chlorophyll content index, leaves, sodium chloride