文献类型： 外文期刊

作者： Rastogi, A. ¹ ; Kovar, M. ² ; He, X. ³ ; Zivcak, M. ² ; Kataria, S. ⁴ ; Kalaji, H. M. ⁵ ; Skalicky, M. ⁶ ; Ibrahimova, U. ¹ ;

作者机构： 1.Poznan Univ Life Sci, Dept Ecol & Environm Protect, Lab Bioclimatol, Piatkowska 94, PL-60649 Poznan, Poland

2.Slovak Univ Agr, Dept Plant Physiol, A Hlinku 2, Nitra 94976, Slovakia

3.Jiangsu Acad Agr Sci, Nanjing 210014, Peoples R China

4.Devi Ahilya Univ, Sch Biochem, Khandwa Rd, Indore 452001, India

5.WULS, SGGW, Fac Agr & Biol, Dept Plant Physiol, 159 Nowoursynowska Str, PL-02776 Warsaw, Poland

6.Czech Univ Life Sci, Fac Agrobiol Food & Nat Resources, Dept Bot & Plant Physiol, Prague 16500, Czech Republic

7.Azerbaijan Natl Acad Sci, Inst Mol Biol & Biotechnol, Matbuat Ave 2A, AZ-1073 Baku, Azerbaijan

8.Sichuan Agr Univ, Coll Agron, 211 Huimin Rd, Chengdu 611130, Peoples R China

9.Natl Res Inst Rural Engn Water & Forests, Aryanah, Tunisia

关键词： abiotic stress; chlorophyll fluorescence; photosynthesis

期刊名称：PHOTOSYNTHETICA （ 影响因子：3.189； 五年影响因子：3.38 ）

ISSN： 0300-3604

年卷期： 2020 年 58 卷 2 期

页码：

收录情况： SCI

摘要： The effect of salinity on primary photochemical reactions (using JIP-test) in six sweet sorghum genotypes was tested. An increase in salt concentrations induced significantly the accumulation of proline and caused a decline in leaf osmotic potential. Except for 100 mM NaCl concentration, salinity significantly decreased chlorophyll content and photosynthetic efficiency of plants. Increasing salinity led to a higher accumulation of QB-nonreducing PSII reaction centers. K-step in OJIP fluorescence transient was observed for the most sensitive genotypes under the high NaCl concentration. The studied sorghum genotypes responded differently to salinity stress. Thus, the study helps understand the plant tolerance mechanisms of different sweet sorghum genotypes to increasing salinity stress. The study also confirmed that the use of JIP-test is suitable for the identification of sorghum genotypes according to their growth under salinity stress.