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| The Effect of High-Temperature Stress on the Physiological Indexes, Chloroplast Ultrastructure, and Photosystems of two Herbaceous Peony Cultivars | |
| Zhang, Lixia; Chang, Qingshan1; Hou, Xiaogai; Wang, Jianzhang2; Chen, Sudan1; Zhang, Qiaoming1; Wang, Zi1; Yin, Yan3; Liu, Jianke1 | |
| 2023 | |
| 发表期刊 | JOURNAL OF PLANT GROWTH REGULATION
 |
| ISSN | 0721-7595 |
| 卷号 | 42期号:3页码:1631-1646 |
| 摘要 | In this study, two herbaceous peony cultivars with different heat tolerances ('Fenyunu' FYN low sensitivity and 'Qiaoling' QL high sensitivity) were used as research materials. An integrated view of the factors underlying the decrease in photosynthetic rate under high-temperature (HT) stress was provided by analyzing the biochemical parameters, chloroplast ultrastructure, gas-exchange parameters, chlorophyll fluorescence, and modulated 820 nm reflection of herbaceous peony leaves. The results showed that hydrogen peroxide, superoxide anion, malondialdehyde, and electrical conductivity increased significantly, while the photosynthetic pigments content and photosynthetic capacity decreased significantly in QL than in FYN under HT. The contents of soluble sugars and proline increased greatly in FYN than in QL, while the activity of SOD decreased markedly in QL than in FYN after HT. Compared with FYN, the ultrastructure of QL was more seriously disrupted under HT. Chlorophyll fluorescence analysis showed that HT changed the shapes of OJIP curve, resulting in the increase of K phase and J phase. The PSII acceptor side was more damaged than the donor side, and the electron transfer was seriously blocked. The energy flow in the process of light energy absorption, capture, and electron transfer were significantly changed after HT stress. Meanwhile, PSI was also significantly inhibited, and the coordination of both photosystems decreased. The variation of these parameters in FYN was less than that in QL. These results suggested that FYN featured a more heat-tolerance ability as evidenced by the good performances on the antioxidant system, osmoregulatory capacity, and the thermostability of membranes and photosystems. |
| 关键词 | Heat stress Paeonia lactiflora Photosynthesis Chlorophyll fluorescence Modulated 820-nm reflection |
| 学科领域 | Plant Sciences |
| DOI | 10.1007/s00344-022-10647-9 |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS关键词 | HEAT-STRESS ; PHOTOSYNTHETIC CHARACTERISTICS ; DEFICIENT MUTANT ; SALT STRESS ; FLUORESCENCE ; GROWTH ; LEAVES ; EFFICIENCY ; CAPACITY ; PIGMENTS |
| WOS研究方向 | Science Citation Index Expanded (SCI-EXPANDED) |
| WOS记录号 | WOS:000779609800001 |
| 出版者 | SPRINGER |
| 文献子类 | Article |
| 出版地 | NEW YORK |
| EISSN | 1435-8107 |
| 资助机构 | Key Technology Research and Development Program of Henan Province [212102110475, 202102110232] ; Natural Science Foundation of Henan Province [182300410082] ; National Natural Science Foundation of China [U1804233, 31870093, 31800096] |
| 作者邮箱 | hkdzlx@126.com ; hkdhxg@haust.edu.cn |
| 引用统计 | |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://ir.ibcas.ac.cn/handle/2S10CLM1/29081 |
| 专题 | 中科院光生物学重点实验室 |
| 作者单位 | 1.Henan Univ Sci & Technol, Coll Agr, Kaiyuan Ave 263, Luoyang 471000, Henan, Peoples R China 2.Henan Univ Sci & Technol, Coll Hort & Plant Protect, Luoyang 471000, Peoples R China 3.Luoyang Greening Management Ctr, Luoyang 471000, Peoples R China 4.Chinese Acad Sci, Plant Sci Facil Inst Bot, Beijing 100093, Peoples R China |
| 推荐引用方式 GB/T 7714 | Zhang, Lixia,Chang, Qingshan,Hou, Xiaogai,et al. The Effect of High-Temperature Stress on the Physiological Indexes, Chloroplast Ultrastructure, and Photosystems of two Herbaceous Peony Cultivars[J]. JOURNAL OF PLANT GROWTH REGULATION,2023,42(3):1631-1646. |
| APA | Zhang, Lixia.,Chang, Qingshan.,Hou, Xiaogai.,Wang, Jianzhang.,Chen, Sudan.,...&Liu, Jianke.(2023).The Effect of High-Temperature Stress on the Physiological Indexes, Chloroplast Ultrastructure, and Photosystems of two Herbaceous Peony Cultivars.JOURNAL OF PLANT GROWTH REGULATION,42(3),1631-1646. |
| MLA | Zhang, Lixia,et al."The Effect of High-Temperature Stress on the Physiological Indexes, Chloroplast Ultrastructure, and Photosystems of two Herbaceous Peony Cultivars".JOURNAL OF PLANT GROWTH REGULATION 42.3(2023):1631-1646. |
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