小果白刺和泡果白刺的耐盐性

Journal of Tianjin Agricultural University ›› 2013, Vol. 20 ›› Issue (2): 11-14.

• Researches and Scientific Notes • Previous Articles Next Articles

Salt Tolerance of Nitraria sibirica Pall and Nitraria roborowskii Kom

ZUO Feng-yue^1,2, HAO Xiu-Fen³, CHEN Zhan-feng², YANG Jing-hui^2,4, LIANG Guo-lu¹, LIU Yan-jun^2,4, LI Jian-ke^2,4

1. College of Horticulture and Landscape Architecture, Southwest University, Chongqing 400715, China;
2. Department of Horticulture, Tianjin Agricultural University, Tianjin 300384,China;
3. Jinghai Planting Industry Development Service Center of Tianjin City, Tianjin 301600, China;
4. China-Japan（Tianjin）Collaborative Research Center for the Rural Environment and Resource, Tianjin 300384, China

Received:2013-03-21 Published:2019-10-18

Abstract

Abstract: In order to understand the salt tolerance of different species in Nitraria, the proline, soluble sugar, fresh and dry weight of seedlings and the root-shoot ratio of Nitraria sibirica Pall and Nitraria roborowskii Kom were analyzed by the treatment of NaCl stress in pots with vermiculite medium. The results show that the proline and soluble sugar of N. sibirica increased stably and continually and was 1.2 to 2.0 times compared with the control, but both of them in N. roborowskii increased firstly and reduced then, and appeared sharp change. Their highest vaules in N. sibirica under 12% NaCl concentration were 2.9 times and 2.2 times compared with the control, and the lowest in N. sibirica were 59.7% and 75.9%, which were significantly less than that of the control under 15% NaCl concentration. The overground and underground fresh weight, underground dry weight and root-shoot ratio of N. sibirica increased significantly in the low concentration of NaCl, reaching 1.4, 1.5, 2.4 and 1.9 times compared with the control, and were same as the control in the high concentration. The fresh weight and dry weight of seedlings and the root-shoot ratio of N. roborowskii reduced significantly under NaCl stress. Therefore, all indexes suggested that N. roborowskii is more sensitive to the salt stress and the salt tolerance is lower than N. sibirica.

Key words: nitraria, salt tolerance, physiological index, growth index, NaCl stress

CLC Number:

Q945.78

ZUO Feng-yue, HAO Xiu-Fen, CHEN Zhan-feng, YANG Jing-hui, LIANG Guo-lu, LIU Yan-jun, LI Jian-ke. Salt Tolerance of Nitraria sibirica Pall and Nitraria roborowskii Kom[J]. Journal of Tianjin Agricultural University, 2013, 20(2): 11-14.

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Salt Tolerance of Nitraria sibirica Pall and Nitraria roborowskii Kom

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