Effects of soil drought on photosynthetic traits and antioxidant enzyme activities in Hippophae rhamnoides seedlings

Li, Jingwen; Guangcan, Zhang; Guo, Junhong; Zhi, Dong

doi:10.1007/s11676-016-0302-6

Cited by 23 publications

(19 citation statements)

References 23 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…However, drought stress was one of the main reasons causing the crop losses all over the world, which has aroused the attention of the scholars worldwide . As one of the main basics for plant growth, photosynthesis is a hot topic in the study of plant responses under abiotic stress (Gururani et al, 2015;Liu et al, 2017). Control relative soil water content (RSMC) = 74% to 80%, Treatment 1 (T 1 ) RSMC = 55% to 61%, Treatment 2 (T 2 ) RSMC = 47% to 52%, Treatment 3 (T 3 ) RSMC = 25% to 30%.…”

Section: Discussionmentioning

confidence: 99%

“…The main factors responsible for decreased photosynthesis could be stomatal (stomatal closure due to decreased CO 2 ), nonstomatal (decreased photosynthetic activity in mesophyll tissue), or both (Ghotbi-Ravandi et al, 2014;Varone et al, 2012). These factors (stomatal, nonstomatal, or both) depend on experimental treatment as well as species, cultivar, age, and development status of the plants being studied (Liang et al, 2018;Liu et al, 2017).…”

mentioning

confidence: 99%

See 1 more Smart Citation

Effects of Drought Stress on Photosynthetic and Physiological Parameters of Tomato

Liang¹,

Liu²,

Zhang³

et al. 2020

J. Amer. Soc. Hort. Sci.

Self Cite

122

View full text Add to dashboard Cite

Drought has become an important factor limiting crop yields in China. As an important greenhouse horticultural crop in China, the research of tomato (Solanum lycopersicum L. cv. Jinpeng No.10) is of great theoretical and practical significance. In the study, four different relative soil moisture contents (74% to 80%, 55% to 61%, 47% to 52%, and 25% to 30%) were used to induce drought stress. We investigated changes in photosynthetic gas exchange, chlorophyll fluorescence, and other related physiological parameters in response to different relative soil moisture contents. Drought inhibited the photosynthesis of tomato significantly, as shown by a clear decline in the net photosynthetic rate. Our results indicated stomatal limitation and nonstomatal limitation were responsible for the photosynthesis reduction.

show abstract

Section: Discussionmentioning

confidence: 99%

mentioning

confidence: 99%

Effects of Drought Stress on Photosynthetic and Physiological Parameters of Tomato

Liang¹,

Liu²,

Zhang³

et al. 2020

J. Amer. Soc. Hort. Sci.

Self Cite

122

View full text Add to dashboard Cite

show abstract

“…Its light weight and high strength give wood the potential for use as a renewable advanced material to replace non-renewable structural materials such as steel, alloys, and even carbon nanotubes. This is of great significance for promoting the sustainable development in society [1][2][3][4][5]. However, the drawbacks of wood, such as dimensional instability when exposed to wet conditions and biological degradation when exposed to decay fungi, limit its long-term utilization [6][7][8][9][10].…”

Section: Introductionmentioning

confidence: 99%

Cell Wall Bulking by Maleic Anhydride for Wood Durability Improvement

et al. 2020

Forests

View full text Add to dashboard Cite

Wood is susceptible to swelling deformation and decay fungi due to moisture adsorption that originates from the dynamic nanopores of the cell wall and the abundant hydroxyl groups in wood components. This study employed as a modifier maleic anhydride (MAn), with the help of acetone as solvent, to diffuse into the wood cell wall, bulk nanopores, and further chemically bond to the hydroxyl groups of wood components, reducing the numbers of free hydroxyl groups and weakening the diffusion of water molecules into the wood cell wall. The derived MAn-bulked wood, compared to the control wood, presented a reduction in water absorptivity (RWA) of ~23% as well as an anti-swelling efficiency (ASE) of ~39% after immersion in water for 228 h, and showed an improvement in decay resistance of 81.42% against white-rot fungus and 69.79% against brown-rot fungus, respectively. The method of combined cell wall bulking and hydroxyl group bonding could effectively improve the dimensional stability and decay resistance with lower doses of modifier, providing a new strategy for wood durability improvement.

show abstract

“…In a different study, the response of the deciduous shrub Hippophae rhamnoides L. was studied after subjection to different levels of soil water content ranging between 26.1% and 96.2%. 5 A significant biphasic response of NPQ appeared in the form of inverted U-shaped relationship, with the value reaching a maximum when the soil water content dropped to 48.3% (Figure 1B). Interestingly, among 6 chlorophyll a fluorescence parameters that were assessed (minimal fluorescence [ F o ], maximal fluorescence [ F m ], F v /F m , actual photochemical efficiency of PSII [Φ PSII ], and qP), only NPQ showed a significant biphasic response, and only NPQ showed a stress–response pattern similar to that of the activity of superoxide dismutase, peroxidase, and catalase.…”

Section: Preliminary Evidence For Hormetic Response Of Npq To Stressmentioning

confidence: 97%

On the Nonmonotonic, Hormetic Photoprotective Response of Plants to Stress

2019

View full text Add to dashboard Cite

Accumulated evidence show that reactive species play a dual role in plants as well, with likely biphasic responses. This suggests that photoprotective mechanisms may also show similar patterns because they are highly related to reactive species. The nonphotochemical quenching (NPQ) is an index of heat dissipation of excitation energy in the antenna system. We present here preliminary evidence from some published studies showing significant biphasic response of NPQ to increasing doses of stress, with U-shaped or inverted U-shaped dose–response relationships, typical of hormesis. This evidence provides a remarkable perspective for designing novel studies where the fate of light energy will be seen through the lens of hormesis.

show abstract

Effects of soil drought on photosynthetic traits and antioxidant enzyme activities in Hippophae rhamnoides seedlings

Cited by 23 publications

References 23 publications

Effects of Drought Stress on Photosynthetic and Physiological Parameters of Tomato

Effects of Drought Stress on Photosynthetic and Physiological Parameters of Tomato

Cell Wall Bulking by Maleic Anhydride for Wood Durability Improvement

On the Nonmonotonic, Hormetic Photoprotective Response of Plants to Stress

Contact Info

Product

Resources

About