Morphological, Physiological, and Structural Responses of Two Species of Artemisia to NaCl Stress
Effects of salt stress on Artemisia scoparia and A. vulgaris “Variegate” were examined. A. scoparia leaves became withered under NaCl treatment, whereas A. vulgaris “Variegate” leaves were not remarkably affected. Chlorophyll content decreased in both species, with a higher reduction in A. scoparia....
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| Format: | Article |
| Language: | English |
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Wiley
2013-01-01
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| Series: | The Scientific World Journal |
| Online Access: | http://dx.doi.org/10.1155/2013/309808 |
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| author | Zhi-Yong Guan Yi-Ji Su Nian-Jun Teng Su-Mei Chen Hai-Nan Sun Chu-Ling Li Fa-Di Chen |
| author_facet | Zhi-Yong Guan Yi-Ji Su Nian-Jun Teng Su-Mei Chen Hai-Nan Sun Chu-Ling Li Fa-Di Chen |
| author_sort | Zhi-Yong Guan |
| collection | DOAJ |
| description | Effects of salt stress on Artemisia scoparia and A. vulgaris “Variegate” were examined. A. scoparia leaves became withered under NaCl treatment, whereas A. vulgaris “Variegate” leaves were not remarkably affected. Chlorophyll content decreased in both species, with a higher reduction in A. scoparia. Contents of proline, MDA, soluble carbohydrate, and Na+ increased in both species under salt stress, but A. vulgaris “Variegate” had higher level of proline and soluble carbohydrate and lower level of MDA and Na+. The ratios of K+/Na+, Ca2+/Na+, and Mg2+/Na+ in A. vulgaris “Variegate” under NaCl stress were higher. Moreover, A. vulgaris “Variegate” had higher transport selectivity of K+/Na+ from root to stem, stem to middle mature leaves, and upper newly developed leaves than A. scoparia under NaCl stress. A. vulgaris “Variegate” chloroplast maintained its morphological integrity under NaCl stress, whereas A. scoparia chloroplast lost integrity. The results indicated that A. scoparia is more sensitive to salt stress than A. vulgaris “Variegate.” Salt tolerance is mainly related to the ability of regulating osmotic pressure through the accumulation of soluble carbohydrates and proline, and the gradient distribution of K+ between roots and leaves was also contributed to osmotic pressure adjustment and improvement of plant salt tolerance. |
| format | Article |
| id | doaj-art-3847ca103dfe4b71b9e3bdf192686963 |
| institution | Kabale University |
| issn | 1537-744X |
| language | English |
| publishDate | 2013-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | The Scientific World Journal |
| spelling | doaj-art-3847ca103dfe4b71b9e3bdf1926869632025-08-20T03:55:11ZengWileyThe Scientific World Journal1537-744X2013-01-01201310.1155/2013/309808309808Morphological, Physiological, and Structural Responses of Two Species of Artemisia to NaCl StressZhi-Yong Guan0Yi-Ji Su1Nian-Jun Teng2Su-Mei Chen3Hai-Nan Sun4Chu-Ling Li5Fa-Di Chen6College of Horticulture, Nanjing Agricultural University, Nanjing 210095, ChinaCollege of Horticulture, Nanjing Agricultural University, Nanjing 210095, ChinaCollege of Horticulture, Nanjing Agricultural University, Nanjing 210095, ChinaCollege of Horticulture, Nanjing Agricultural University, Nanjing 210095, ChinaCollege of Horticulture, Nanjing Agricultural University, Nanjing 210095, ChinaCollege of Horticulture, Nanjing Agricultural University, Nanjing 210095, ChinaCollege of Horticulture, Nanjing Agricultural University, Nanjing 210095, ChinaEffects of salt stress on Artemisia scoparia and A. vulgaris “Variegate” were examined. A. scoparia leaves became withered under NaCl treatment, whereas A. vulgaris “Variegate” leaves were not remarkably affected. Chlorophyll content decreased in both species, with a higher reduction in A. scoparia. Contents of proline, MDA, soluble carbohydrate, and Na+ increased in both species under salt stress, but A. vulgaris “Variegate” had higher level of proline and soluble carbohydrate and lower level of MDA and Na+. The ratios of K+/Na+, Ca2+/Na+, and Mg2+/Na+ in A. vulgaris “Variegate” under NaCl stress were higher. Moreover, A. vulgaris “Variegate” had higher transport selectivity of K+/Na+ from root to stem, stem to middle mature leaves, and upper newly developed leaves than A. scoparia under NaCl stress. A. vulgaris “Variegate” chloroplast maintained its morphological integrity under NaCl stress, whereas A. scoparia chloroplast lost integrity. The results indicated that A. scoparia is more sensitive to salt stress than A. vulgaris “Variegate.” Salt tolerance is mainly related to the ability of regulating osmotic pressure through the accumulation of soluble carbohydrates and proline, and the gradient distribution of K+ between roots and leaves was also contributed to osmotic pressure adjustment and improvement of plant salt tolerance.http://dx.doi.org/10.1155/2013/309808 |
| spellingShingle | Zhi-Yong Guan Yi-Ji Su Nian-Jun Teng Su-Mei Chen Hai-Nan Sun Chu-Ling Li Fa-Di Chen Morphological, Physiological, and Structural Responses of Two Species of Artemisia to NaCl Stress The Scientific World Journal |
| title | Morphological, Physiological, and Structural Responses of Two Species of Artemisia to NaCl Stress |
| title_full | Morphological, Physiological, and Structural Responses of Two Species of Artemisia to NaCl Stress |
| title_fullStr | Morphological, Physiological, and Structural Responses of Two Species of Artemisia to NaCl Stress |
| title_full_unstemmed | Morphological, Physiological, and Structural Responses of Two Species of Artemisia to NaCl Stress |
| title_short | Morphological, Physiological, and Structural Responses of Two Species of Artemisia to NaCl Stress |
| title_sort | morphological physiological and structural responses of two species of artemisia to nacl stress |
| url | http://dx.doi.org/10.1155/2013/309808 |
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