scholarly journals Effects of zinc fertilizer and short-term high temperature stress on wheat grain production and wheat flour proteins

2018 ◽  
Vol 17 (9) ◽  
pp. 1979-1990 ◽  
Author(s):  
Zhi-qiang TAO ◽  
De-mei WANG ◽  
Xu-hong CHANG ◽  
Yan-jie WANG ◽  
Yu-shuang YANG ◽  
...  
Keyword(s):  
High Temperature ◽  
Temperature Stress ◽  
Wheat Flour ◽  
High Temperature Stress ◽  
Grain Production ◽  
Wheat Grain ◽  
Short Term ◽  
Zinc Fertilizer

scholarly journals Effects of sulfur fertilization and short-term high temperature on wheat grain production and wheat flour proteins

2018 ◽  
Vol 6 (4) ◽  
pp. 413-425 ◽  
Author(s):  
Zhiqiang Tao ◽  
Xuhong Chang ◽  
Demei Wang ◽  
Yanjie Wang ◽  
Shaokang Ma ◽  
...  
Keyword(s):  
High Temperature ◽  
Wheat Flour ◽  
Grain Production ◽  
Wheat Grain ◽  
Short Term ◽  
Sulfur Fertilization

Profiling lipidome changes of Pyropia haitanensis in short-term response to high-temperature stress

2015 ◽  
Vol 28 (3) ◽  
pp. 1903-1913 ◽  
Author(s):  
Juanjuan Chen ◽  
Min Li ◽  
Rui Yang ◽  
Qijun Luo ◽  
Jilin Xu ◽  
...  
Keyword(s):  
High Temperature ◽  
Temperature Stress ◽  
High Temperature Stress ◽  
Pyropia Haitanensis ◽  
Short Term ◽  
Term Response

scholarly journals Reduced rice grain production under high-temperature stress closely correlates with ATP shortage during seed development

2010 ◽  
Vol 27 (1) ◽  
pp. 67-73 ◽  
Author(s):  
Kao-Chih She ◽  
Hiroaki Kusano ◽  
Mitsuhiro Yaeshima ◽  
Tadamasa Sasaki ◽  
Hikaru Satoh ◽  
...  
Keyword(s):  
High Temperature ◽  
Seed Development ◽  
Temperature Stress ◽  
High Temperature Stress ◽  
Rice Grain ◽  
Grain Production

scholarly journals Various antioxidant responses to hyperthermia in anatomically different species of the genus Rosa

2019 ◽  
Vol 27 (3) ◽  
pp. 193-199 ◽  
Author(s):  
N. V. Nuzhyna ◽  
O. O. Tkachuk
Keyword(s):  
Superoxide Dismutase ◽  
High Temperature ◽  
Temperature Stress ◽  
Photosynthetic Pigments ◽  
Drought Resistance ◽  
Lipid Peroxide ◽  
Antioxidant Response ◽  
High Temperature Stress ◽  
Short Term ◽  
Pigment Complex

The heat and drought resistance of plants depend on their anatomical and biochemical features. In the present study, the adaptive features of three species of wild rose (Rosaceae, Rosales) under the short-term impact of high-temperature stress have been characterized. Plants of the species Rosa donetzica Dubovik, R. reversa Waldst. et Kit. and R. spinosissima L. were exposed to a temperature of 40 degrees C for 3 hours, following which peroxidase and superoxide dismutase activity, photosynthetic pigments and flavonoids’ content, and lipid peroxide oxidation level in the leaf were determined. In our investigation, the anatomical structure of leaves and drought resistance of three species of Rosa were studied. Xeromorphic features are the most expressed for R. reversa and R. spinosissima and almost absent for R. donetzica. It has been established that R. spinosissima is photophilous whereas R. donetzica is shade-tolerant. The relatively lower development of epidermic tissue in R. donetzica could probably contribute to more active destruction of the pigment complex under high temperature stress. The obtained data about changes in activity of peroxidase, superoxide dismutase, content of photosynthetic pigments and flavonoids, and level of lipid peroxidation indicate the low heat resistance of R. donetzica in comparison with the other two species. R. reversa, R. spinosissima were more tolerant to short-term hyperthermia. They showed faster antioxidant response, mainly due to the induction of peroxidase activity under stress. The species with the most expressed xerophytic features of anatomical structures have rapid antioxidant response and are more resistant to short-term hyperthermia. The induction of some activity of antioxidant enzymes "in reserve" is a less effective form of adaptation in wild roses. Such activation of enzymes is observed in plants with a more mesophytic structure. Flavonoids and superoxide dismutase were thermolabile to short-term influence of high temperature; therefore they play an insignificant role as antioxidants in the protecton against oxidative stress caused by high temperature stress in wild roses.

scholarly journals Magnesium Application Promotes Rubisco Activation and Contributes to High-Temperature Stress Alleviation in Wheat During the Grain Filling

2021 ◽  
Vol 12 ◽  
Author(s):  
Yuhang Shao ◽  
Shiyu Li ◽  
Lijun Gao ◽  
Chuanjiao Sun ◽  
Jinling Hu ◽  
...  
Keyword(s):  
High Temperature ◽  
Temperature Stress ◽  
Grain Filling ◽  
Rubisco Activase ◽  
High Temperature Stress ◽  
Temperature Cycle ◽  
Wheat Grain ◽  
Rubisco Activity ◽  
The Impact ◽  
Rubisco Activation

Inhibited photosynthesis caused by post-anthesis high-temperature stress (HTS) leads to decreased wheat grain yield. Magnesium (Mg) plays critical roles in photosynthesis; however, its function under HTS during wheat grain filling remains poorly understood. Therefore, in this study, we investigated the effects of Mg on the impact of HTS on photosynthesis during wheat grain filling by conducting pot experiments in controlled-climate chambers. Plants were subjected to a day/night temperature cycle of 32°C/22°C for 5 days during post-anthesis; the control temperature was set at 26°C/16°C. Mg was applied at the booting stage, with untreated plants used as a control. HTS reduced the yield and net photosynthetic rate (Pn) of wheat plants. The maximum carboxylation rate (VCmax), which is limited by Rubisco activity, decreased earlier than the light-saturated potential electron transport rate. This decrease in VCmax was caused by decreased Rubisco activation state under HTS. Mg application reduced yield loss by stabilizing Pn. Rubisco activation was enhanced by increasing Rubisco activase activity following Mg application, thereby stabilizing Pn. We conclude that Mg maintains Rubisco activation, thereby helping to stabilize Pn under HTS.

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