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Articles de revues sur le sujet « Plants Effect of stress on »

Auteur : Grafiati

Publié le 4 juin 2021

Mis à jour le 27 juillet 2024

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1

Arora, Rajeev, Dharmalingam S. Pitchay, and Bradford C. Bearce. "EFFECT OF WATER STRESS ON HEAT STRESS TOLERANCE IN GERANIUM." HortScience 31, no. 6 (October 1996): 915A—915. http://dx.doi.org/10.21273/hortsci.31.6.915a.

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This study evaluated the effect of reversible water stress on heat stress tolerance (HST) in greenhouse-grown geraniums. Water stress was imposed by withholding irrigation until pots reached ≈30% (by weight) of well-watered (control) plant pots, and maintaining this weight for 7 days. Control plants were watered to just below field capacity, every other day. Leaf xylem water potential (LXWP, MPa), leaf-relative water content (LRWC,%), media water content (MWC, % fresh weight), and heat stress tolerance (HST, LT50) were determined for control and stressed plants. HST (LT50), defined as temperat

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Gupta, Sonal, and Ashwini A. Waoo. "Effect of salinity stress on phytochemical characteristics of Centella asiatica." Journal of Applied and Natural Science 14, no. 2 (June 18, 2022): 684–91. http://dx.doi.org/10.31018/jans.v14i2.3387.

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Salinity is one of the predominant abiotic stresses which affects plant growth by inducing excessive production of reactive oxygen species (ROS) that leads to oxidative damage of plant cells. Plants alleviate salinity stress by regulating intracellular concentrations of various phytochemicals like phenol, tannin, antioxidants, etc. The present work aimed to study the impact of salt stress on the production of various phytochemicals like phenol, tannin, flavonoids, antioxidants, total protein content, etc. The Salt stress response of the test plant Centella asiatica was studied by irrigating va

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Shevchenko, A. V., I. G. Budzanivska, T. P. Shevchenko, and V. P. Polischuk. "Stress caused by plant virus infection in presence of heavy metals." Plant Protection Science 38, SI 2 - 6th Conf EFPP 2002 (December 31, 2017): 455–57. http://dx.doi.org/10.17221/10522-pps.

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Due to increased heavy metal content in Ukrainian soils, purpose of the work was to study relations between presence of heavy metals in soil and their effect on development of phytoviral infection. Experiments were conducted in Nicotiana tabacum – Potato virus X model system. Soluble salts of Cu, Zn and Pb were deposited in soil separately at the limiting concentrations simultaneously with virus infection of plants. Infected plants grown on usual soil showed symptoms of disease on 16 dpi as well as plants grown on soil with metals deposited. Contrary, combined effect of heavy metals and virus

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Krček, M., P. Slamka, K. Olšovská, M. Brestič, and M. Benčíková. "Reduction of drought stress effect in spring barley (Hordeum vulgare L.) by nitrogen fertilization." Plant, Soil and Environment 54, No. 1 (January 14, 2008): 7–13. http://dx.doi.org/10.17221/2781-pse.

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An effect of nitrogen rates (0.0 g, 1.0 g, 2.0 g N per pot) on NRA (nitrate reductase activity) in leaves of spring barley (cultivar Kompakt) was investigated in a pot experiment. Plants were grown under optimum moisture regime and drought stress was induced during the growth stages of tillering, shooting and earing. Before and after respective stress period plants were grown under optimal water regime. In all the fertilized and unfertilized treatments, NRA was significantly higher under optimal water regime than in drought stress conditions. Nitrogen fertilization alleviated adverse effects o

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Ali-Ahmad, M., and S. M. Basha. "Effect of Water Stress on Composition of Peanut Leaves." Peanut Science 25, no. 1 (January 1, 1998): 31–34. http://dx.doi.org/10.3146/i0095-3679-25-1-8.

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Abstract Water stress was induced in peanut (Arachis hypogaea L. cv. Marc 1) plants by withholding water for 5 to 20 d. Leaves from the water-stressed plants were analyzed to determine the effect of water stress on amino acids, sugars, protein content, and polypeptide composition of peanut plants. The results showed that the total protein content of the leaves significantly increased when peanut plants were subjected to water stress for 5 to 20 d as compared to irrigated controls. Analysis of the leaf protein by SDS polyacrylamide gel electrophoresis showed higher levels of polypeptides in str

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Handayani, Tri, and Kazuo Watanabe. "The combination of drought and heat stress has a greater effect on potato plants than single stresses." Plant, Soil and Environment 66, No. 4 (April 30, 2020): 175–82. http://dx.doi.org/10.17221/126/2020-pse.

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Several research groups have examined the effects of drought stress and heat stress on potato, but few investigations of the effects of combined drought-heat stress have been reported. Using five potato lines, the potato plants’ responses to drought stress, heat stress, as well as combined drought-heat stress were studied, to get the insight in phenotypic shift due to abiotic stresses. The experiment was conducted as a growth room experimental under non-stress and abiotic stresses (drought, heat, and combined drought-heat) conditions. The results demonstrated that potato plants responded to th

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Asadova, B. "Salinity Factor Effect on Barley Seedlings Incubation." Bulletin of Science and Practice 8, no. 1 (January 15, 2022): 81–85. http://dx.doi.org/10.33619/2414-2948/74/11.

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Stress factors limit the development of living organisms, especially plants, and reduce their productivity. In this regard, the study of the effects of stress factors on plants and the discovery of adaptation mechanisms play an important role in the regulation of stress in the cell. From a biological point of view, stress is considered to be any change in the external environment that impairs the normal development of the plant or changes it in a negative direction. Stresses cause changes in the physiological activity of plants, weaken the process of biosynthesis in the cell, disrupt normal li

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Thakur, Jaya, and Bharat Shinde. "Effect of water stress and AM fungi on the growth performance of pea." International Journal of Applied Biology 4, no. 1 (June 29, 2020): 36–43. http://dx.doi.org/10.20956/ijab.v4i1.9446.

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The study was conducted to determine the effect of arbuscular mycorrhizal (AM) fungi inoculation on growth of pea grown under water stressed pot culture conditions. Water stress was given to the pea plants after 30 days at the interval of 4, 8 and 12 days. The data was collected at an interval of 15 days. Three replicates of each set were maintained. . The mixture of AM fungi used for current experiment included the species of Acaulospora denticulata, A. gerdemannii, Glomus macrocarpum, G. maculosum, G. fasciculatum and Scutellospora minuta. The mycorrhizal plants have shown more shoot and roo

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Kaňová, D., and E. Kula. "The effect of stress factors on birch Betula pendula Roth." Journal of Forest Science 50, No. 9 (January 11, 2012): 399–404. http://dx.doi.org/10.17221/4636-jfs.

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In a controlled pot trial, plants of birch (Betula pendula Roth) were treated in six variants: acid watering (pH 3), acid watering with spraying, drought, ammonium sulphate fertilisation, ammonium sulphate fertilisation in combination with drought, and control. The response to the treatment with ammonium sulphate in terms of the increment was discordant as it increased the sensitivity of birch to frost. Drought had a negative effect on increments. A combination of ammonium sulphate and drought; drought; ammonium sulphate and sprayed acid watering delayed the shedding of leaves; this was due to

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Filiptsova, Halina G., and Vladimir M. Yurin. "Physiological and biochemical mechanisms of plants resistance to oxidative stress under peptide elicitor AtPep1." Journal of the Belarusian State University. Biology, no. 3 (November 5, 2021): 38–46. http://dx.doi.org/10.33581/2521-1722-2021-3-38-46.

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The effect of the peptide elicitor AtPep1 on the resistance of soybean and pea plants to oxidative stress was studied. The concentration of the peptide 10– 9 mol/L has the maximum elicitor effect on these plants. It was shown that treatment of the aerial part of seedlings with this peptide leads to an increase in the activity of peroxidase and superoxide dismutase and a decrease in the level of lipid peroxidation products in plants under oxidative stress. Revealed effects cause an increase in the plants resistance to stress.

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Mudge, Kenneth W., Kent S. Diebolt, and Thomas H. Whitlow. "Ectomycorrhizal Effect on Host Plant Response to Drought Stress." Journal of Environmental Horticulture 5, no. 4 (December 1, 1987): 183–87. http://dx.doi.org/10.24266/0738-2898-5.4.183.

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Ectomycorrhizal symbiosis affects the water relations and drought resistance of woody landscape trees and shrubs in the families Pinaceae, Fagaceae, Betulaceae, and others. It has frequently been observed that host plants mycorrhizal with drought-adapted fungi exhibit improved growth and survival during drought and more rapid recovery after rewatering than non-mycorrhizal plants or plants mycorrhizal with fungi not adapted to dry sites. Relatively few studies have addressed the effect of mycorrhizae on the physiological response of host plants to drought stress. It is suggested that some fungi

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Ogneva, Zlata V., Andrey R. Suprun, Alexandra S. Dubrovina, and Konstantin V. Kiselev. "Effect of 5-azacytidine induced DNA demethylation on abiotic stress tolerance in Arabidopsis thaliana." Plant Protection Science 55, No. 2 (February 17, 2019): 73–80. http://dx.doi.org/10.17221/94/2018-pps.

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The effect of 5-azacytidine (5A)-induced DNA hypomethylation on the growth and abiotic stress tolerance of Arabidopsis thaliana were analysed. Growth analysis revealed that aqueous solutions of 5A added to the soil did not affect the fresh and dry biomass accumulation but led to a higher percentage of flowering A. thaliana plants after four weeks of cultivation. The 5A treatment considerably lowered survival rates of Arabidopsis plants under high soil salinity, heat stress, and drought, while it did not affect the survival rates after freezing stress. 5A eliminated the stimulatory effect of th

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DAI, Hao. "Ecological effect of photorespiration of plants under environmental stress." CHINESE JOURNAL OF ECO-AGRICULTURE 16, no. 5 (March 2, 2009): 1326–30. http://dx.doi.org/10.3724/sp.j.1011.2008.01326.

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Fathi, Amin, and Davood Barari Tari. "Effect of Drought Stress and its Mechanism in Plants." International Journal of Life Sciences 10, no. 1 (February 10, 2016): 1–6. http://dx.doi.org/10.3126/ijls.v10i1.14509.

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Drought is the most important abiotic factor limiting growth, adversely affect growth and crop production. Stresses, resulting in the non-normal physiological processes that influence one or a combination of biological and environmental factors. Stress can damage which has occurred as a result of an abnormal metabolism and may reduce growth, plant death or the death of the plant develops. Production is limited by environmental stresses, according to different scholars estimates, only 10 percent of the world's arable land is free from Stress, in general, a major factor in the difference between

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Kleiber, Tomasz, Włodzimierz Krzesiński, Katarzyna Przygocka-Cyna, and Tomasz Spiżewski. "Alleviation Effect of Selenium on Manganese Stress of Plants." Ecological Chemistry and Engineering S 25, no. 1 (March 1, 2018): 143–52. http://dx.doi.org/10.1515/eces-2018-0010.

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Abstract Mn, as Fe, Zn, Cu and Ni is a heavy metal and also a necessary element all the living organisms. Excessive Mn nutrition causes a strong oxidative stress. The aim of the studies was to determination the effect of Se treatment (as sodium selenite Na2O4Se3) to alleviate the Mn stress of plants. Because of its sensitivity to oxidative stress induced by excessive concentrations of Mn a model plant was lettuce (Lactuca sativa L. ‘Sunny’). The studies were conducted in a controlled environment growth room in stable climate conditions: 16 h photoperiod; temperature light/dark 18.0 ±0.5°C/16.0

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Blum, A., C. Y. Sullivan, and H. T. Nguyen. "The Effect of Plant Size on Wheat Response to Agents of Drought Stress. II. Water Deficit, Heat and ABA." Functional Plant Biology 24, no. 1 (1997): 43. http://dx.doi.org/10.1071/pp96023.

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Plant size has long been implicated in plant response to drought stress. This study is the second in a series of two intended to examine the effect of plant size on plant performance under the effect of various agents of drought stress. Variable plant size (in terms of plant height and shoot biomass) independent of genetic background effects was experimentally achieved using rht (tallest), Rht1 and Rht2 (medium) and Rht3 (shortest) homozygous height isogenic lines of spring wheat (Triticum aestivum) cultivars Bersee and April-Bearded. Plants were grown in hydroponic culture in the growth chamb

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Sousa, Gustavo Ferreira de, Maila Adriely Silva, Mariana Rocha de Carvalho, Everton Geraldo de Morais, Pedro Antônio Namorato Benevenute, Gustavo Avelar Zorgdrager Van Opbergen, Guilherme Gerrit Avelar Zorgdrager Van Opbergen, and Luiz Roberto Guimarães Guilherme. "Foliar Selenium Application to Reduce the Induced-Drought Stress Effects in Coffee Seedlings: Induced Priming or Alleviation Effect?" Plants 12, no. 17 (August 23, 2023): 3026. http://dx.doi.org/10.3390/plants12173026.

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This study aimed to investigate the role of Se supply in improving osmotic stress tolerance in coffee seedlings while also evaluating the best timing for Se application. Five times of Se foliar application were assessed during induced osmotic stress with PEG-6000 using the day of imposing stress as a default, plus two control treatments: with osmotic stress and without Se, and without osmotic stress and Se. Results demonstrated that osmotic stress (OS) promoted mild stress in the coffee plants (ψw from −1.5MPa to −2.5 MPa). Control plants under stress showed seven and five times lower activity

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Mareri, Lavinia, Luigi Parrotta, and Giampiero Cai. "Environmental Stress and Plants." International Journal of Molecular Sciences 23, no. 10 (May 12, 2022): 5416. http://dx.doi.org/10.3390/ijms23105416.

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Land plants are constantly subjected to multiple unfavorable or even adverse environmental conditions. Among them, abiotic stresses (such as salt, drought, heat, cold, heavy metals, ozone, UV radiation, and nutrient deficiencies) have detrimental effects on plant growth and productivity and are increasingly important considering the direct or indirect effects of climate change. Plants respond in many ways to abiotic stresses, from gene expression to physiology, from plant architecture to primary, and secondary metabolism. These complex changes allow plants to tolerate and/or adapt to adverse c

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G-Q, Wu, Feng R-J, and Shui Q-Z. "Effect of osmotic stress on growth and osmolytes accumulation in sugar beet (Beta vulgaris L.) plants." Plant, Soil and Environment 62, No. 4 (June 6, 2016): 189–94. http://dx.doi.org/10.17221/101/2016-pse.

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Oguz, Muhammet Cagri, Murat Aycan, Ezgi Oguz, Irem Poyraz, and Mustafa Yildiz. "Drought Stress Tolerance in Plants: Interplay of Molecular, Biochemical and Physiological Responses in Important Development Stages." Physiologia 2, no. 4 (December 9, 2022): 180–97. http://dx.doi.org/10.3390/physiologia2040015.

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Drought is an important abiotic stress factor limiting crop productivity worldwide and its impact is increasing with climate change. Regardless of the plant growth period, drought has a deadly and yield-reducing effect on the plant at every stage of development. As with many environmental stressors, drought-exposed plants trigger a series of molecular, biochemical, and physiological responses to overcome the effect of drought stress. Currently, researchers are trying to determine the complex functioning of drought stress response in plants with different approaches. Plants are more sensitive t

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Chain, F., C. Côté-Beaulieu, F. Belzile, J. G. Menzies, and R. R. Bélanger. "A Comprehensive Transcriptomic Analysis of the Effect of Silicon on Wheat Plants Under Control and Pathogen Stress Conditions." Molecular Plant-Microbe Interactions® 22, no. 11 (November 2009): 1323–30. http://dx.doi.org/10.1094/mpmi-22-11-1323.

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The supply of soluble silicon (Si) to plants has been associated with many benefits that remain poorly explained and often contested. In this work, the effect of Si was studied on wheat plants under both control and pathogen stress (Blumeria graminis f. sp. tritici) conditions by conducting a large transcriptomic analysis (55,000 unigenes) aimed at comparing the differential response of plants under four treatments. The response to the supply of Si on control (uninfected) plants was limited to 47 genes of diverse functions providing little evidence of regulation of a specific metabolic process

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E. Y Henry, Eunice, Eliane Kinsou, Armel C. G. Mensah, Françoise Assogba Komlan, and Christophe Bernard Gandonou. "Réponse des plantes de tomate (Lycopersicon esculentum Mill.) cultivées sous stress salin à une application exogène de calcium et de potassium." Journal of Applied Biosciences 159 (March 31, 2021): 16363–70. http://dx.doi.org/10.35759/jabs.159.1.

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Objectifs : Le stress salin constitue un des stress environnementaux majeurs qui agit négativement sur la croissance des plantes. L’effet positif d’une application exogène de calcium et de potassium a été déterminé sur la croissance des plants de tomate soumis à la salinité. Méthodologie et résultats : Les plants de trois cultivars de tomate ont été exposés à six traitements comprenant le témoin sans NaCl ; 120 mM de NaCl et une combinaison entre 120 mM de NaCl et un apport de 40 mM de CaSO4 ; CaCl2 ; KNO3 ou K2SO4. La croissance des plantes a été déterminée après quinze jours d’exposition. L’

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E. Y Henry, Eunice, Eliane Kinsou, Armel C. G. Mensah, Françoise Assogba Komlan, and Christophe Bernard Gandonou. "Réponse des plantes de tomate (Lycopersicon esculentum Mill.) cultivées sous stress salin à une application exogène de calcium et de potassium." Journal of Applied Biosciences 159 (March 31, 2021): 16363–70. http://dx.doi.org/10.35759/jabs.159.1.

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Objectifs : Le stress salin constitue un des stress environnementaux majeurs qui agit négativement sur la croissance des plantes. L’effet positif d’une application exogène de calcium et de potassium a été déterminé sur la croissance des plants de tomate soumis à la salinité. Méthodologie et résultats : Les plants de trois cultivars de tomate ont été exposés à six traitements comprenant le témoin sans NaCl ; 120 mM de NaCl et une combinaison entre 120 mM de NaCl et un apport de 40 mM de CaSO4 ; CaCl2 ; KNO3 ou K2SO4. La croissance des plantes a été déterminée après quinze jours d’exposition. L’

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Lu, Nan, and Yan Li. "The Response of Plants to Soil Pb Stress." Frontiers in Science and Engineering 3, no. 11 (November 21, 2023): 19–21. http://dx.doi.org/10.54691/fse.v3i11.5704.

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The problem of soil heavy metal pollution is becoming increasingly serious, and Pb is one of the main causes of soil heavy metal pollution due to its toxicity. Phytoremediation technology can reduce the content of heavy metal pollutants and improve soil nutrient conditions, and thus, it is more widely used. Pb in the soil affects the physiological and biochemical processes of plants, which in turn have a toxic effect on plants, causing severe wilting and death. Similarly, Pb also affects plant photosynthesis to varying degrees. This paper details the progress of research on the effects of soil

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Omar, Samar A., Nabil I. Elsheery, Pavel Pashkovskiy, Vladimir Kuznetsov, Suleyman I. Allakhverdiev, and Amina M. Zedan. "Impact of Titanium Oxide Nanoparticles on Growth, Pigment Content, Membrane Stability, DNA Damage, and Stress-Related Gene Expression in Vicia faba under Saline Conditions." Horticulturae 9, no. 9 (September 13, 2023): 1030. http://dx.doi.org/10.3390/horticulturae9091030.

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This study investigates the effects of titanium dioxide nanoparticles (nTiO2) on Vicia faba under salinity stress. Plants were treated with either 10 or 20 ppm nTiO2 and subjected to two different concentrations of salinity (100 and 200 mM NaCl) as well as the combined effect of nanoparticles and salinity. Salinity induced a reduction in dry weight, increased electron leakage and MDA content, increased chromosomal aberrations and DNA damage, and reduced transcript levels of some stress- and growth-related genes. nTiO2 treatment increased dry weight in unstressed plants and mitigated the salini

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Hassan, A., Chen Qibing, Liu Yinggao, Jiang Tao, Guo Li, Mingyan Jiang, Li Nian, Lv Bing-Yang, and Liu Shiliang. "Do plants affect brainwaves? Effect of indoor plants in work environment on mental stress." European Journal of Horticultural Science 85, no. 4 (August 26, 2020): 279–83. http://dx.doi.org/10.17660/ejhs.2020/85.4.9.

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Motyleva, Svetlana, Nayalya Kozak, and Ludmila Kabashnikova. "Effect of drought stress on metabolite synthesis in Actinidia Arguta Leaves." BIO Web of Conferences 43 (2022): 01021. http://dx.doi.org/10.1051/bioconf/20224301021.

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In the context of global climatic changes, water stress, which causes drought, is one of the limiting factors affecting the environment and negatively affects the growth and development of cultivated plants. The stressful impact of dry conditions causes changes in the biochemical processes of plants. Herein, we studied the change in antioxidant activity, the amount of phenolic compounds and the peculiarities of the synthesis of some metabolites in Actinidia. argutа leaves, Taezhny Dar variety, under drought stress. All parameters were measured in leaves of control plants and after drought stre

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Biswas, Shreyasee, Monika Koul, and Ashok Kumar Bhatnagar. "Effect of Salt, Drought and Metal Stress on Essential Oil Yield and Quality in Plants." Natural Product Communications 6, no. 10 (October 2011): 1934578X1100601. http://dx.doi.org/10.1177/1934578x1100601036.

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Essential oil extracted from plants is of high commercial value in medicine, cosmetics and perfumery. Enhancing yield and maintaining the quality of oil is of significant commercial importance. Production of oil in plants is dependent on various biotic and abiotic factors to which the plants are subjected during their growth. Plants are exposed to various degrees of stress on account of natural and human-induced factors. Salinization, drought and presence of heavy metals in the substratum cause substantial effect on the yield and quality of bioactive constituents in the oil. In many plants, th

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Durigon, Angelica, Jochem Evers, Klaas Metselaar, and Quirijn de Jong van Lier. "Water Stress Permanently Alters Shoot Architecture in Common Bean Plants." Agronomy 9, no. 3 (March 26, 2019): 160. http://dx.doi.org/10.3390/agronomy9030160.

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The effects of water stress on crop yield through modifications of plant architecture are vital to crop performance such as common bean plants. To assess the extent of this effect, an outdoor experiment was conducted in which common bean plants received five treatments: fully irrigated, and irrigation deficits of 30% and 50% applied in flowering or pod formation stages onwards. Evapotranspiration, number and length of pods, shoot biomass, grain yield and harvest index were assessed, and architectural traits (length and thickness of internodes, length of petioles and petiolules, length and widt

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JACOB, LINI, RV MANJU, ROY STEPHEN, MM VIJI, and BR REGHUNATH. "Effect of abiotic stress factors on growth, physiology and total withanolide production in Withania somnifera (L.) Dunal." Journal of Medicinal and Aromatic Plant Sciences 37, no. 1 (December 31, 2015): 18–21. http://dx.doi.org/10.62029/jmaps.v37i1.jacob.

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An investigation was carried out to study the effects of abiotic stress factors on growth, physiology and total withanolide production in Withania somnifera (L.) Dunal. The abiotic stresses were provided in the form of three levels of light stress (25%,50% and 75% shade) and three levels of water stress (25%,50% and 75% FC) along with control under optimum conditions. Withanolide production was significantly affected by various stress factors. Maimum values for plant height (57.75cm), length of tap root (28.00cm) total dry matter production (28.08g/plant) and specific leaf area(93.40 cm2/g)wer

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Zhang, Jinyang, Yutong Sun, and Pengxin Jin. "The Effect of Low Temperature Stress on Plant Physiological Development." Frontiers in Sustainable Development 3, no. 9 (September 21, 2023): 77–80. http://dx.doi.org/10.54691/fsd.v3i9.5655.

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Temperature is the most important factor affecting plant growth, development, and metabolic processes, which has significant theoretical value and practical significance for studying the physiological and biochemical characteristics of plants under temperature stress. The damage of low temperature to plants is caused by dehydration caused by extracellular ice formation, or by apoptosis caused by intracellular ice formation. This article mainly discusses the cold resistance of plants from several aspects, including lipid membrane peroxidation, osmotic regulation products, plant growth and devel

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Jabeen, Dr Munifa, and Atiqa Jabeen. "Role of Compatible Solutes in Alleviating Effect of Abiotic Stress in Plants." International Research Journal of Education and Innovation 3, no. 1 (March 31, 2022): 141–53. http://dx.doi.org/10.53575/irjei.v3.01.14(22)141-153.

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Plants face assorted of abiotic stresses such as, salinity, drought and heavy metals which produce ROS, and finally inhibit normal growth plant production. To stop cellular destruction due to oxidative stress, these abiotic stresses increase complex reactions in plants to avoid damage and boost their sustainability under severe stress situations. Plants produce several organic solutes known as osmoprotectant such as, polyamines, sugars, proline and glycinebetaine (GB), to adjust the cellular mechanism and stable the membrane structure and proteins towards environmental stress. As well, they al

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Ramadan, Taha, Suzan A. Sayed, Amna K. A. Abd-Elaal, and Ahmed Amro. "The combined effect of water deficit stress and TiO2 nanoparticles on cell membrane and antioxidant enzymes in Helianthus annuus L." Physiology and Molecular Biology of Plants 28, no. 2 (February 2022): 391–409. http://dx.doi.org/10.1007/s12298-022-01153-z.

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AbstractNanotechnology has become one of the several approaches attempting to ameliorate the severe effect of drought on plant's production and to increase the plants tolerance against water deficit for the water economy. In this research, the effect of foliar application of TiO2, nanoparticles or ordinary TiO2, on Helianthus annuus subjected to different levels of water deficit was studied. Cell membrane injury increased by increasing the level of water deficit and TiO2 concentration, and both types of TiO2 affected the leaves in analogous manner. Ord-TiO2 increased H2O2 generation by 67–240%

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García-Sánchez, Susana, Michal Gala, and Gabriel Žoldák. "Nanoimpact in Plants: Lessons from the Transcriptome." Plants 10, no. 4 (April 12, 2021): 751. http://dx.doi.org/10.3390/plants10040751.

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Transcriptomics studies are available to evaluate the potential toxicity of nanomaterials in plants, and many highlight their effect on stress-responsive genes. However, a comparative analysis of overall expression changes suggests a low impact on the transcriptome. Environmental challenges like pathogens, saline, or drought stress induce stronger transcriptional responses than nanoparticles. Clearly, plants did not have the chance to evolve specific gene regulation in response to novel nanomaterials; but they use common regulatory circuits with other stress responses. A shared effect with abi

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Nigwekar, Ashok S., and Prakash D. Chavan. "The effect of water stress on nitrogen metabolism of horsegram Dolichos biflorus L." Acta Societatis Botanicorum Poloniae 59, no. 1-4 (2014): 73–80. http://dx.doi.org/10.5586/asbp.1990.007.

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Horsegram plants were raised in terule soil in earthen pots and subjected to various durations of water stress (7, 14 and 21 days). Total nitrogen contents were reduced in water-stressed plants but differently in different plant parts. Nitrate content and nitrate reductase activity decreased with stress. This species possesses a good capacity for accumulation of free proline under water stress. Analysis of amino acid composition also revealed marked changes in the levels of various amino acids in water-stressed plants. Accumulation of γ-aminobutyric acid in water-stressed plants was observed.

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Dyki, Barbara, Jan Borowski, and Waldemar Kowalczyk. "Effect of copper deficiency and of water stress on the microstructure of tomato leaf surface." Acta Agrobotanica 51, no. 1-2 (2013): 119–25. http://dx.doi.org/10.5586/aa.1998.011.

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The reaction of tomato plants cv. Tukan F<sub>1</sub> to copper deficiency and to water stress was compared. Plants grown in copper deficiency and in conditions of water stress were significantly smaller than controls. They had also lower turgor. The epidermis cells of the upper side leaf in the plants growing in copper deficiency or water stress conditions were smaller than in control plants. However the stomata and trichomes number of leaves plants with copper or water deficiency grown were bigger in comparision with control. The pores of stomata were always larger in leaves of c

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Laman, N. A., K. R. Kem, V. I. Anikeev, V. N. Zhabinskii, and N. B. Khripach. "Features of the brassinosteroid effect on plants under salt stress." Doklady of the National Academy of Sciences of Belarus 66, no. 2 (May 6, 2022): 199–205. http://dx.doi.org/10.29235/1561-8323-2022-66-2-199-205.

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The dependence of the protective effect of brassinosteroids (BS) in a wide range of concentrations on the growth of the root system of fiber flax (Linum usitatissimum L.) and spring barley (Hordeum vulgare L.) seedlings under salt stress was studied. A narrow range of BS concentrations was revealed, in which they cause a weakening of the inhibitory effect of salinity on the root system of seedlings. An almost complete coincidence of the BS concentration ranges was noted, in which the maximum stress-protective effect of phytohormones was observed for the both crops (6,9 ⋅ 10–7–5,9 ⋅ 10–8 М for

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Mohammed, Samar Jasim, Zainab Jassim Mohammed, and Israa Ibrahim Lazim. "An Update on The effect of water stress on plants." Plant Biotechnology Persa 4, no. 2 (December 1, 2022): 0. http://dx.doi.org/10.52547/pbp.4.2.9.

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Drake, Arly Marie, T. Karl Danneberger, and David S. Gardner. "Effect of Plant Growth Regulators on Creeping Bentgrass during Heat, Salt, and Combined Stress." HortScience 58, no. 4 (April 2023): 410–18. http://dx.doi.org/10.21273/hortsci16978-22.

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Creeping bentgrass (Agrostis stolonifera L.) is a turfgrass species that is widely used on golf courses throughout the United States. In field settings, plants are often subjected to more than one stress at a time, and studying stresses independently is likely insufficient. Stresses, such as heat stress and salt stress, can affect plant hormone levels and, in turn, plant hormone levels can affect how well the plant tolerates stress. The objectives of the experiments were to determine if the levels of heat stress and salt stress used would be detrimental to creeping bentgrass health, and if app

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Liu, Tao, Lin He, Wenhuan Yu, Thomas Freudenreich, and Xianhao Lin. "Effect of Green Plants on Individuals’ Mental Stress during the COVID-19 Pandemic: A Preliminary Study." International Journal of Environmental Research and Public Health 19, no. 20 (October 19, 2022): 13541. http://dx.doi.org/10.3390/ijerph192013541.

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The COVID-19 pandemic has not only jeopardized people’s physical health, but also put additional strain on their mental health. This study explored the role of indoor natural elements (i.e., green plants) in relieving individuals’ mental stress during a prolonged stressful period. A pilot and three formal studies examined the effect of indoor green plants placed in living and working environments on people’s perceived stress during the pandemic and further uncovered its underlying mechanism emphasizing a mediating role of emotion. The pilot study confirmed that the severity of the pandemic pos

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Yan, Feiyu, Hongliang Zhao, Longmei Wu, Zhiwei Huang, Yuan Niu, Bo Qi, Linqing Zhang, et al. "Basic Cognition of Melatonin Regulation of Plant Growth under Salt Stress: A Meta-Analysis." Antioxidants 11, no. 8 (August 19, 2022): 1610. http://dx.doi.org/10.3390/antiox11081610.

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Salt stress severely restricts the growth of plants and threatens the development of agriculture throughout the world. Worldwide studies have shown that exogenous melatonin (MT) can effectively improve the growth of plants under salt stress. Through a meta-analysis of 549 observations, this study first explored the effects of salt stress characteristics and MT application characteristics on MT regulated plant growth under salt stress. The results show that MT has a wide range of regulatory effects on plant growth indicators under salt stress, of which the regulatory effect on root indexes is t

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Garcia, Akim Afonso, Eduardo Pradi Vendruscolo, Sebastião Ferreira de Lima, Cássio De Castro Seron, Murilo Battistuzzi Martins, and Gabriela Rodrigues Sant' Ana. "Effect of B vitamins on lettuce plants subjected to saline stress." Agronomía Colombiana 41, no. 1 (April 30, 2023): e104214. http://dx.doi.org/10.15446/agron.colomb.v41n1.104214.

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The use of water with a high concentration of salts has been increasingly frequent in vegetable production. This reduces the development and productivity of vegetables, raising the importance of the search for techniques to mitigate deleterious effects. In this sense, vitamins have the potential to improve conditions for plant development. The study was conducted to evaluate the effects of the application of B vitamins in lettuce plants submitted to irrigation with saline water. The treatments consisted of Control: irrigated with water and without application of vitamins; NaCl: irrigated with

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Al-Khaliel, A. S. "Effect of salinity stress on mycorrhizal association and growth response of peanut infected by Glomus mosseae." Plant, Soil and Environment 56, No. 7 (July 14, 2010): 318–24. http://dx.doi.org/10.17221/204/2009-pse.

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Arbuscular mycorrhiza is a mutualistic association between fungi and higher plants, and play a critical role in nutrient cycling and stress tolerance. However, much less is known about the mycorrhiza-mediated enhancement in growth and salinity tolerance of the peanuts (Arachis hypogaea L.) growing in the arid and semi-arid areas. Therefore, mycorrhizal status of Glomus mosseae in diverse salinity levels on original substrate soil conditions was investigated. Different growth parameters, accumulation of proline content and salt stress tolerance were studied. These investigations indicated that

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Blum, A., and C. Y. Sullivan. "The Effect of Plant Size on Wheat Response to Agents of Drought Stress. I. Root Drying." Functional Plant Biology 24, no. 1 (1997): 35. http://dx.doi.org/10.1071/pp96022.

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Plant size has long been implicated in plant response to drought stress. This study is a first in a series of two intended to examine the effect of plant size on plant performance under the effect of various agents of drought stress. Variable plant size (in terms of plant height and shoot biomass) independent of genetic background effects was experimentally achieved using rht (tallest), Rht1 and Rht2 (medium) and Rht3 (shortest) homozygous height isogenic lines of spring wheat (Triticum aestivum cv. Bersee). Top-root drying is a common stress condition when the top soil dries in the field. In

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Manukyan, Irina Rafikovna. "Physiological aspects of wheat stress resistance." Agrarian Scientific Journal, no. 9 (September 28, 2021): 34–37. http://dx.doi.org/10.28983/asj.y2021i9pp34-37.

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The article presents the results of long-term studies of physiological processes and oxidative stress occurring in wheat plants under the influence of phytopathogens, mineral fertilizers and fungicides. The criteria for the damaging effect of oxidative stress are the activity of the enzyme nitrate reductase and the concentration of TBK-active products. Normally, a mobile balance is maintained between the processes of lipid peroxidation and the antioxidant system of cell protection. However, under stressful conditions, the ROS content in cells increases rapidly and oxidative stress develops. Th

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Rafi, Amara, Hassan Javed Chaudhary, Javed Ali, Abdulaziz Bashir Kutawa, Amna Amna, Misbah Khan, Nida Aslam, and Shafiq Ur Rehman. "Evaluation of the Effect of ACC Deaminase and Exopolysaccharides Producing Bacteria in Maize (Zea mays) under Heat Stress." Trends in Sciences 19, no. 21 (October 31, 2022): 6311. http://dx.doi.org/10.48048/tis.2022.6311.

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Heat stress or global warming is a continuous temperature fluctuation that affects the environment and damage plant tissues because of the hormonal imbalances in plants. Yield losses resulting from heat stress are a major threat to global food security. Plant growth-promoting bacteria (PGPB) may be utilized to lessen this loss in yield. PGPB containing aminocyclopropane-1-carboxylic acid (ACC) deaminase activity can enhance plant growth that various abiotic stresses inhibit. This work was conducted to evaluate the effect of ACC deaminase and exopolysaccharides producing bacteria on maize plant

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Toscano, Stefania, Antonio Ferrante, and Daniela Romano. "Response of Mediterranean Ornamental Plants to Drought Stress." Horticulturae 5, no. 1 (January 14, 2019): 6. http://dx.doi.org/10.3390/horticulturae5010006.

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Ornamental plants use unique adaptive mechanisms to overcome the negative effects of drought stress. A large number of species grown in the Mediterranean area offer the opportunity to select some for ornamental purposes with the ability to adapt to drought conditions. The plants tolerant to drought stress show different adaptation mechanisms to overcome drought stress, including morphological, physiological, and biochemical modifications. These responses include increasing root/shoot ratio, growth reduction, leaf anatomy change, and reduction of leaf size and total leaf area to limit water los

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Kumar Sharma, Manoj. "Plants Stress: Salt Stress and Mechanisms of Stress Tolerance." Current Agriculture Research Journal 11, no. 2 (September 21, 2023): 380–400. http://dx.doi.org/10.12944/carj.11.2.03.

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A diverse combination of biotic and abiotic pressures makes up the environment that plants naturally inhabit. These pressures cause similarly complicated responses in plants. The purpose of the review is to critically evaluate the effects of various stress stimuli on higher plants with an emphasis on the typical and distinctive dose-dependent responses that are essential for plant growth and development. In order to improve agricultural productivity, breed new salt-tolerant cultivars, and make the most of saline land, it is essential to comprehend the mechanisms underlying plant salt tolerance

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Abada, Emad, Yosra Modafer, Abdullah Mashraqi, Abdel-Rahman M. Shater, Mohamed A. Al Abboud, Mohamed A. Amin, Tarek M. Abdel Ghany, and Hanan A. Said. "Ameliorative effect of micro-algal and medicinal plants on some biochemical properties of bean plants under salinity stress." BioResources 18, no. 3 (July 25, 2023): 6142–54. http://dx.doi.org/10.15376/biores.18.3.6142-6154.

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This study was conducted to examine the ameliorative effects of foliar application of some micro-algal (Chlorella vulgaris and Spirulina platensis) and some medicinal plant leaves (Salix alba, Psidium guajava, and Olea europaea) extracts on Phaseolus vulgaris (Bean) under salinity stress. On a loamy soil, a pots trial was carried out on bean plants grown under salinity stress. Growth characteristics, pigments, osmolytes, total phenol, and antioxidant enzyme contents were determined. S. platensis extract application showed the greatest improvement in shoot length and fresh weight of shoot, whic

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Lee, Jin Wook, Kenneth W. Mudge, and Joseph Lardner. "Effect of Drought Stress on Growth and Ginsenoside Content of American Ginseng." HortScience 40, no. 4 (July 2005): 1116A—1116. http://dx.doi.org/10.21273/hortsci.40.4.1116a.

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American ginseng (Panax quinquefolium L.) contains pharmacologically active secondary compounds known as ginsenosides, which have been shown to be affected by both genetic and environmental factors. In this greenhouse experiment, we tested the hypothesis that ginsenosides would behave as “stress metabolites” and be associated with osmoregulation in response to drought stress. Two year-old seedlings, grown in 5-inch pots, were well watered for 40 days prior to the initiation of treatments. Plants in the drought stress treatment were watered every 20 days while the controls were watered every 10

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