搜索结果: 1-15 共查到“农学 heat stress”相关记录31条 . 查询时间(0.163 秒)
Stomatal and mesophyll conductance are dominant limitations to photosynthesis in response to heat stress during severe drought in a temperate and a tropical tree species
High temperature Water deficit Water use efficiency Carbon exchange Vcmax
2023/12/6
Drought and heat stress cause a significant reduction in forest primary production. The current study aims to determine the major limitations to photosynthesis in a temperate and tropical tree species...
Primary carbohydrate metabolism genes participate in heat-stress memory at the shoot apical meristem of Arabidopsis thaliana
aldolase carbon metabolism heat stress shoot apical meristem thermomemory thermopriming
2023/12/5
In plants, the shoot apical meristem (SAM) is essential for the growth of aboveground organs. However, little is known about its molecular responses to abiotic stresses. Here, we show that the SAM of ...
Unfolding molecular switches in plant heat stress resistance: A comprehensive review
Climate change Cellular signaling Epigenetics Gene regulation High temperature Heat stress tolerance Transcription factors
2023/12/1
Global warming due to climate change affects plant growth and development throughout its life cycle. Adds to this, the frequent occurrence of heat waves is drastically reducing the global crop yield. ...
γ-Aminobutyric acid plays a key role in plant acclimation to a combination of high light and heat stress
c-Aminobutyric acid high light heat stress Arabidopsis thaliana abiotic stresses metabolic response GABA
2023/11/30
Plants are frequently subjected to different combinations of abiotic stresses, such as high light (HL) intensity, and elevated temperatures. These environmental conditions pose a threat to agriculture...
Jasmonic acid is required for plant acclimation to a combination of high light and heat stress
Jasmonic acid heat stress high light stress plant acclimation
2024/2/27
In the field, plants experience high light intensities that are often accompanied by elevated temperatures. Such conditions are a serious threat to agriculture production, since photosynthesis is high...
Effects of γ-aminobutyric acid on the thymus tissue structure,antioxidant activity,cell apoptosis,and cytokine levels in chicks under heat stress
heat shock GABA chick thymus immune function development
2016/12/20
This study aims to investigate the effect of dietary γ-aminobutyric acid (GABA) on the development of thymus tissue structure and function in chicks under heat stress. One-day-old male Wenchang chicks...
Effect of Simulated Heat Stress on Digestibility, Methane Emission and Metabolic Adaptability in Crossbred Cattle
Thermal Stress Nutrient Utilization Gas Emission Adaptability Cattle
2016/11/10
The present experiment was conducted to evaluate the effect of simulated heat stress on digestibility and methane (CH4) emission. Four non-lactating crossbred cattle were exposed to 25°C, 30°C, 35°C, ...
Effect of dietary supplementation of some antioxidants on growth performance, carcass composition and breast meat characteristics in quails reared under heat stress
quail vitamin E vitamin C lipoic acid growth performance meat quality
2015/6/8
This research investigates the effects of adding vitamin E, vitamin C, vitamin E+C, and alpha lipoic acid to feed rations for Japanese quails (Coturnix coturnix japonica) exposed to heat stress. The a...
Effect of γ-Aminobutyric Acid-producing Lactobacillus Strain on Laying Performance, Egg Quality and Serum Enzyme Activity in Hy-Line Brown Hens under Heat Stress
γ-Aminobutyric Acid Lactobacillus Heat Stress Laying Performance Egg Quality
2016/5/18
Heat-stress remains a costly issue for animal production, especially for poultry as they lack sweat glands, and alleviating heat-stress is necessary for ensuring animal production in hot environment. ...
Reproductive Performance of Holstein Dairy Cows Grazing in Dry-summer Subtropical Climatic Conditions: Effect of Heat Stress and Heat Shock on Meiotic Competence and In vitro Fertilization
Artificial Insemination Heat Shock Oocyte Meiotic Maturation Maternal Heat Stress
2016/5/18
The present study was designed to evaluate how environmental factors in a dry-summer subtropical climate in Terceira-Azores (situated in the North Atlantic Ocean: 38° 43′ N 27° 12′ W) can affect dairy...
Optimal dietary concentration of vitamin E for alleviating the effect of heat stress on performance, thyroid status, ACTH and some serum metabolite and mineral concentrations in broilers
thyroxin triiodothyronine chicken, vitamin E nutrition heat stress
2015/1/26
An experiment utilizing Cobb-500 male broilers was conducted to evaluate the effects of vitamin E (d1--to- copheryl acetate) supplementation at various concentrations (0, 62.5, 125, 250, or 500 mg/kg ...
Effects of vitamin E and vitamin A supplementation on performance, thyroid status and serum concentrations of some metabolites and minerals in broilers reared under heat stress (32 degrees C)
performance blood parameters
2015/1/20
An experiment on Cobb-500 male broilers was conducted to evaluate the effects of vitamin E (alfa-tocopherol-acetate), vitamin A (retinol), and their combination on broiler performance and serum concen...
Protective role of supplemental vitamin E on lipid peroxidation, vitamins E, A and some mineral concentrations of broilers reared under heat stress
malonyldialdehyde vitamin A
2015/1/20
An experiment utilizing Cobb-500 male broilers was conducted to evaluate the effects of vitamin E supplementation at various concentrations on malonyldialdehyde (MDA) as an indicator of lipid peroxida...
The Expression of Carnosine and Its Effect on the Antioxidant Capacity of Longissimus dorsi Muscle in Finishing Pigs Exposed to Constant Heat Stress
Heat Stress Meat Quality Antioxidants Carnosine, Pigs
2016/5/17
The objective of this study was to assess the effects of constant high ambient temperatures on meat quality, antioxidant capacity, and carnosine expression in longissimus dorsi muscle of finishing pig...
Farmers’ Perceptions and Knowledge of Cattle Adaptation to Heat Stress and Tick Resistance in the Eastern Cape, South Africa
Herd Composition Nguni Non-descript Genotype Season Socio-demography
2016/5/17
The objective of this study was to determine the perceptions and knowledge of farmers of heat stress and tick resistance in cattle. A cross-sectional survey was conducted and 110 farmers in four villa...
