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Artigos de revistas sobre o tema "Water stress"

Autor: Grafiati

Publicado: 4 de junho de 2021

Última modificação: 27 de julho de 2024

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1

Umare, Akshay C., e Saifan Makandar. "Stress Analysis With Different Geometry of Water Tank". Journal of Advances and Scholarly Researches in Allied Education 15, n.º 2 (1 de abril de 2018): 608–11. http://dx.doi.org/10.29070/15/56935.

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2

Várallyay, Gy. "Soil-water stress". Cereal Research Communications 37, n.º 2 (junho de 2009): 315–19. http://dx.doi.org/10.1556/crc.37.2009.suppl.7.

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3

Ault, Toby. "Island water stress". Nature Climate Change 6, n.º 12 (24 de novembro de 2016): 1062–63. http://dx.doi.org/10.1038/nclimate3171.

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4

Meldolesi, Anna. "Water stress survivors". Nature Biotechnology 31, n.º 3 (março de 2013): 188. http://dx.doi.org/10.1038/nbt0313-188a.

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5

Hosnedl, V., e H. Honsová. "Barley seed sensitivity to water stress at germination stage". Plant, Soil and Environment 48, No. 7 (21 de dezembro de 2011): 293–97. http://dx.doi.org/10.17221/4370-pse.

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Barley seed sensitivity to water and anoxia was tested. Standard germination, mean time of germination (MTG), germination in sand wetted by water to 100% water capacity (anoxia) or by hydrogen peroxide (wet conditions without anoxia), germination in 0.75% hydrogen peroxide and laboratory emergence (15 and 20°C) were evaluated. Barley seed responds sensitively to stress conditions during germination. Significant germination decrease was found in abundance of water. Percentage of reduction depends on the variety and on the year of seed production. Extreme values of water sensitivity are in interval 4–90%. At wetted sand by 0.75%, solution of H<sub>2</sub>O<sub>2</sub> the germination was significantly less reduced. That means that barley seed is very sensitive to oxygen deficiency above all and is less injured by quick imbibition. Heterogeneity in seed vigour was demonstrated in laboratory emergence tests. Quick test of germination in 0.75% hydrogen peroxide deserves attention for its high correlation coefficient with the seed laboratory emergence. The results significantly demonstrate a higher sensitivity of deteriorated seed to germination in abiotic stresses conditions. Variability in speed of germination is increasing, which unfavourably extends the mean time of germination.

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Pospisilova, J., H. Synkova e J. Rulcova. "Cytokinins and Water Stress". Biologia plantarum 43, n.º 3 (1 de setembro de 2000): 321–28. http://dx.doi.org/10.1023/a:1026754404857.

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7

Marshall, K. "WATER STRESS DOWN SOUTH". Journal of Experimental Biology 215, n.º 7 (7 de março de 2012): vi. http://dx.doi.org/10.1242/jeb.064097.

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8

Czech, Viktória, Edit Cseh e Ferenc Fodor. "ARSENATE INDUCES WATER STRESS". Journal of Plant Nutrition 34, n.º 1 (dezembro de 2010): 60–70. http://dx.doi.org/10.1080/01904167.2011.531359.

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9

Schuab, S. R. P., A. L. Braccini, C. A. Scapim, J. B. França-Neto, D. K. Meschede e M. R. Ávila. "Germination test under water stress to evaluate soybean seed vigour". Seed Science and Technology 35, n.º 1 (1 de abril de 2007): 187–99. http://dx.doi.org/10.15258/sst.2007.35.1.17.

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10

Penella, C., S. G. Nebauer, S. López-Galarza, A. SanBautista, A. Rodríguez-Burruezo e A. Calatayud. "Evaluation of some pepper genotypes as rootstocks in water stress conditions". Horticultural Science 41, No. 4 (25 de novembro de 2014): 192–200. http://dx.doi.org/10.17221/163/2013-hortsci.

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 Water stress is a major environmental factor that limits crop production and it is important to develop crop varieties with higher yield under water scarcity. Increased pepper tolerance to water stress through grafting onto robust rootstocks could be an optimal alternative in the context of environmentally friendly agriculture. Our work evaluated the behaviour of 18 pepper genotypes during vegetative and reproductive stages under water stress in order to select tolerant genotypes to be used as rootstocks for pepper cultivation. The pepper tolerance screening was based on photosynthetic parameters. The genotypes Atlante, C-40, Serrano, PI-152225, ECU-973, BOL-58 and NuMex Conquistador were revealed as the most tolerant genotypes to water stress because they maintained net photosynthetic rate levels under water stress conditions. The selected genotypes were validated as rootstocks on a pepper cultivar in terms of productivity under severe water stress. Plants grafted onto cvs Atlante, PI-152225 and ECU-973 showed higher marketable yields when compared with ungrafted cultivar.  

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11

Feng, Haixia, Chao Chen, Heng Dong, Jinliang Wang e Qingye Meng. "Modified Shortwave Infrared Perpendicular Water Stress Index: A Farmland Water Stress Monitoring Method". Journal of Applied Meteorology and Climatology 52, n.º 9 (setembro de 2013): 2024–32. http://dx.doi.org/10.1175/jamc-d-12-0164.1.

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AbstractCrop water stress monitoring by remote sensing has been the focus of numerous studies. In this paper, specifically red (630–690 nm) and shortwave infrared (SWIR; 1550–1750 nm) wavelength bands are identified to monitor farmland water stress, and a method [modified shortwave infrared perpendicular water stress index (MSPSI)] is developed that is based on the spectral space constructed by SWIR − Red (Rd) and SWIR + Red (Rs). The MSPSI stayed at mostly the same water stress level for full vegetation coverage cases with high vegetation water content and saturated bare soil as well as full vegetation coverage with extremely low vegetation water and dry bare soil in the Rs–Rd spectral feature space. This approach makes the water stress conditions between different covers comparable and the MSPSI applicable to farmland water stress monitoring in different vegetation covers throughout the growing season. To validate the proposed index, the MSPSI calculated from Thematic Mapper images and Moderate Resolution Imaging Spectroradiometer (MODIS) 500-m reflectance products (from March to October) in the Ningxia Hui Autonomous Region was compared with the ground-measured soil moisture content at different depths. It is evident from the results that the MSPSI derived from satellite imageries is highly correlated with ground-measured soil moisture at different depths (7.6 and 10 cm), with coefficients of determination R2 of 0.666, 0.512, 0.576, 0.361, 0.383, 0.391, 0.357, 0.410, and 0.418. The paper concludes that MSPSI is a promising index for crop water stress monitoring throughout the growing season.

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12

Garrot, Donald J., Michael J. Ottman, D. D. Fangmeier e Stephen H. Husman. "Quantifying Wheat Water Stress with the Crop Water Stress Index to Schedule Irrigations". Agronomy Journal 86, n.º 1 (janeiro de 1994): 195–99. http://dx.doi.org/10.2134/agronj1994.00021962008600010034x.

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13

Testi, L., D. A. Goldhamer, F. Iniesta e M. Salinas. "Crop water stress index is a sensitive water stress indicator in pistachio trees". Irrigation Science 26, n.º 5 (18 de março de 2008): 395–405. http://dx.doi.org/10.1007/s00271-008-0104-5.

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14

Garcia, Margaret, e Shafiqul Islam. "Water stress & water salience: implications for water supply planning". Hydrological Sciences Journal 66, n.º 6 (26 de abril de 2021): 919–34. http://dx.doi.org/10.1080/02626667.2021.1903474.

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15

Wang, Dan, Klaus Hubacek, Yuli Shan, Winnie Gerbens-Leenes e Junguo Liu. "A Review of Water Stress and Water Footprint Accounting". Water 13, n.º 2 (15 de janeiro de 2021): 201. http://dx.doi.org/10.3390/w13020201.

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Production and consumption activities deplete freshwater, generate water pollution and may further lead to water stress. The accurate measurement of water stress is a precondition for sustainable water management. This paper reviews the literature on physical water stress induced by blue and green water use and by water pollution. Specifically, we clarify several key concepts (i.e., water stress, scarcity, availability, withdrawal, consumption and the water footprint) for water stress evaluation, and review physical water stress indicators in terms of quantity and quality. Furthermore, we identify research gaps in physical water stress assessment, related to environmental flow requirements, return flows, outsourcing of water pollution and standardization of terminology and approaches. These research gaps can serve as venues for further research dealing with the evaluation and reduction of water stress.

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16

GÖKÇE, Nihal. "Global Water Stress and Measurement Methods". Bulletin of Economic Theory and Analysis 7, n.º 1 (30 de junho de 2022): 189–208. http://dx.doi.org/10.25229/beta.1117054.

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Consisting of approximately 332.5 million cubic miles of water in the world, 96% of the water resources are salt water resources including the oceans and seas. Of the remaining 4%, 68% of the freshwater resources are trapped in glaciers, while 30% is underground water. In addition to the fact that usable water resources are so few due to natural reasons; Environmental pollution caused by industrialization and urbanization, drought caused by global warming as a result of continuous and significant increase in greenhouse gas emissions, and human factors such as changes in precipitation regimes and geometrically increasing population lead to a further decrease in the amount of clean water per capita. While water is a natural resource that is increasingly scarce, the poverty experienced especially in underdeveloped countries makes it more difficult for people living in these countries to access water. The data discussed in this study show that the world will face a much more serious water problem, especially in 2030 and beyond. The primary aim of the study is to contribute to the elimination of the lack of literature in our country regarding the 'water poverty index' (WPI), which is one of the important indices measuring water stress in the world. This is very important in terms of raising awareness of the issue in the eyes of policy makers and the society, especially in countries like ours, which are experiencing water stress by conducting the necessary scientific studies. In addition, the aim of this study is to review once again what we can do for the future of water so that the water rationing application, which seems likely to be discussed in the future, is not needed.

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17

Harhay, Michael O. "Water Stress and Water Scarcity: A Global Problem". American Journal of Public Health 101, n.º 8 (agosto de 2011): 1348–49. http://dx.doi.org/10.2105/ajph.2011.300277.

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18

Ismail, M. R., e W. J. Davies. "Water relations of Capsicum genotypes under water stress". Biologia plantarum 39, n.º 2 (1 de setembro de 1997): 293–97. http://dx.doi.org/10.1023/a:1000684016914.

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19

Seong, Nohun, Minji Seo, Kyeong-Sang Lee, Changsuk Lee, Hyunji Kim, Sungwon Choi e Kyung-Soo Han. "A water stress evaluation over forest canopy using NDWI in Korean peninsula". Korean Journal of Remote Sensing 31, n.º 2 (30 de abril de 2015): 77–83. http://dx.doi.org/10.7780/kjrs.2015.31.2.3.

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20

Yancey, Paul H. "Water Stress, Osmolytes and Proteins1". American Zoologist 41, n.º 4 (agosto de 2001): 699–709. http://dx.doi.org/10.1668/0003-1569(2001)041[0699:wsoap]2.0.co;2.

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21

Sardo, V., e C. Germana'. "WATER STRESS AND ORANGE YIELD". Acta Horticulturae, n.º 228 (setembro de 1988): 245–52. http://dx.doi.org/10.17660/actahortic.1988.228.28.

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22

Shock, Clinton C., Erik B. G. Feibert e Lamont D. Saunders. "Onion Response to Water Stress". HortScience 30, n.º 4 (julho de 1995): 837D—837. http://dx.doi.org/10.21273/hortsci.30.4.837d.

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Six soil water potential irrigation criteria (–12.5 to –100 kPa) were examined to determine levels for maximum onion yield and quality. Soil water potential at 0.2-m depth was measured by tensiometers and granular matrix sensors (Watermark Model 20055, Irrometer Co., Riverside, Calif.). Onions are highly sensitive to small soil water deficits. The crop needs frequent irrigations to maintain small negative soil water potentials for maximum yields. In each of 3 years, yield and bulb size increased with wetter treatments. In 1994, a relatively warm year, onion yield and bulb size were maximized at –12.5 kPa. In 1993, a relatively cool year, onion marketable yield peaked at –37.5 kPa due to a significant increase in rot during storage following the wetter treatments.

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23

Cominelli, Eleonora, Massimo Galbiati e Chiara Tonelli. "Integration of water stress response". Plant Signaling & Behavior 3, n.º 8 (agosto de 2008): 556–57. http://dx.doi.org/10.4161/psb.3.8.5699.

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24

Wada, Yoshihide, Tom Gleeson e Laurent Esnault. "Wedge approach to water stress". Nature Geoscience 7, n.º 9 (28 de agosto de 2014): 615–17. http://dx.doi.org/10.1038/ngeo2241.

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25

Yancey, Paul H. "Water Stress, Osmolytes and Proteins". American Zoologist 41, n.º 4 (agosto de 2001): 699–709. http://dx.doi.org/10.1093/icb/41.4.699.

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26

GRIFFITHS, H. "Plant Responses to Water Stress". Annals of Botany 89, n.º 7 (15 de junho de 2002): 801–2. http://dx.doi.org/10.1093/aob/mcf159.

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27

CHAVES, M. M., e J. S. PEREIRA. "Water Stress, CO2and Climate Change". Journal of Experimental Botany 43, n.º 8 (1992): 1131–39. http://dx.doi.org/10.1093/jxb/43.8.1131.

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28

Ghannoum, O. "C4 photosynthesis and water stress". Annals of Botany 103, n.º 4 (20 de maio de 2008): 635–44. http://dx.doi.org/10.1093/aob/mcn093.

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29

Li, Yong, Shenjun Dang e Shaochuan Lü. "Underground water stress release models". Earthquake Science 24, n.º 4 (agosto de 2011): 335–41. http://dx.doi.org/10.1007/s11589-011-0796-0.

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30

Garrot, D. J., M. W. Kilby, D. D. Fangmeier e S. H. Husman. "PECAN TREE GROWTH, PRODUCTION, AND NUT QUALITY RESPONSES TO WATER STRESS". HortScience 25, n.º 9 (setembro de 1990): 1171f—1171. http://dx.doi.org/10.21273/hortsci.25.9.1171f.

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Pecan tree (cv. “Western Schley”) water stress was numerically quantified with the crop water stress index (CWSI). The CWSI was used to schedule irrigation at increasing water stress levels to correlate the effects of water strees on tree growth, production, and nut quality from 1987 to 1989. Highest growth increases, production, and nut size were attained at lower water stress levels (CWSI = 0.08 to 0.14 units). Even moderate increases in water stress (CWSI>0.20 units) decreased pecan tree growth and production, and significantly reduced nut size (P=0.01). A significant difference (P=0.05) in nut quality was measured only in 1988. Depending on yearly climatic variation, the amount of irrigation water required to maintain the CWSI below 0.14 units in the same orchard varied 44% over three years. The CWSI is a viable tool to assess pecan water stress.

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S, Ahmad, S. Gul, AKK Achakzai e M. Islam. "Seedling growth response of Seriphidium quettense to water stress and non-water stress conditions". Phyton 79, n.º 1 (2010): 19–23. http://dx.doi.org/10.32604/phyton.2010.79.019.

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PLUMBE, ALISON M., e C. M. WILLMER. "PHYTOALEXINS, WATER-STRESS AND STOMATA. I. DO PHYTOALEXINS ACCUMULATE IN LEAVES UNDER WATER-STRESS?" New Phytologist 101, n.º 2 (outubro de 1985): 269–74. http://dx.doi.org/10.1111/j.1469-8137.1985.tb02834.x.

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Vukovic, Milovan. "International water disputes and cooperative responses to water stress". Socioloski pregled 42, n.º 2 (2008): 241–60. http://dx.doi.org/10.5937/socpreg0802241v.

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de Jong van Lier, Q., J. C. van Dam e K. Metselaar. "Root Water Extraction under Combined Water and Osmotic Stress". Soil Science Society of America Journal 73, n.º 3 (maio de 2009): 862–75. http://dx.doi.org/10.2136/sssaj2008.0157.

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35

Kidder, Daniel W., e Richard Behrens. "Control of Plant Water Potential in Water Stress Studies". Weed Science 39, n.º 1 (março de 1991): 91–96. http://dx.doi.org/10.1017/s0043174500057933.

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Weed seedlings were grown in a composite soil contained within a semipermeable membrane that allowed the development of consistent, reproducible levels of plant water stress. The water content of membrane units with a 1-cm cross section equilibrated most rapidly, within 3 to 5 days, with the external osmotic solution. The water potential (Ψ) of green foxtail grown in plant growth membrane units was curvilinearly related to the external polyethylene glycol (PEG) osmotic solution Ψ. This relationship permitted nondestructive estimation of plant Ψ. Green foxtail shoot growth in membrane units was reduced by decreasing Ψ of the external PEG osmotic solution and was completely arrested by high water stress induced by an −800 kPa external osmotic solution. The technique makes possible precise control and relatively rapid adjustment in the level and duration of plant Ψ of seedlings and small plants.

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Xu, X., e W. L. Bland. "Resumption of Water Uptake by Sorghum after Water Stress". Agronomy Journal 85, n.º 3 (maio de 1993): 697–702. http://dx.doi.org/10.2134/agronj1993.00021962008500030033x.

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HELAIMIA, Rafika. "CONDENSATION, DESALINATION, AND WATER RECYCLING TO ENCOUNTER WATER STRESS". International Conference on Pioneer and Innovative Studies 1 (20 de junho de 2023): 515–23. http://dx.doi.org/10.59287/icpis.883.

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Water is a gift of life from Allah. In Al-Quran, it is stated “And We sent down from the sky water (rain) in (due) measure, and We gave it lodging in the earth, and verily, We are able to take it away.” (1). Though water is indispensable for life and livelihoods, it is becoming a world-pressing societal and geopolitical critical issue, knowing that 800 million people worldwide cannot afford primary access to potable water and that nearly 2.2 billion people lack access to a safe water supply. As a result, freshwater scarcity is now the world's second most pressing concern, after the prompt population increment issue. If the problem of freshwater scarcity persists, ‘the world will miss water-related SDGs by a wide margin’; more than 40% of the world's population will be living in ever-seriously water-stressed regions by 2035 (2); ecosystems will become weakened and will be unable to meet population freshwater supply ; and developing countries will be the most affected, with 80% of their illnesses caused by a lack of access to water as well as poor water quality. To tackle the increased water shortage, reasonable water management methods are required. This article proposes three efficient sustainable water techniques for producing fresh water and thus meeting water scarcity's massive demand, along with their benefits and drawbacks. They are Condensation, desalination, and water recycling.

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Joshi, Rakesh Chandra, Dongryeol Ryu, Gary J. Sheridan e Patrick N. J. Lane. "Modeling Vegetation Water Stress over the Forest from Space: Temperature Vegetation Water Stress Index (TVWSI)". Remote Sensing 13, n.º 22 (17 de novembro de 2021): 4635. http://dx.doi.org/10.3390/rs13224635.

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The conventional Land Surface Temperature (LST)–Normalized Difference Vegetation Index (NDVI) trapezoid model has been widely used to retrieve vegetation water stress. However, it has two inherent limitations: (1) its complex and computationally intensive parameterization for multi-temporal observations and (2) deficiency in canopy water content information. We tested the hypothesis that an improved water stress index could be constructed by the representation of canopy water content information to the LST–NDVI trapezoid model. Therefore, this study proposes a new index that combines three indicators associated with vegetation water stress: canopy temperature through LST, canopy water content through Surface Water Content Index (SWCI), and canopy fractional cover through NDVI in one temporally transferrable index. Firstly, a new optical space of SWCI–NDVI was conceptualized based on the linear physical relationship between shortwave infrared (SWIR) and soil moisture. Secondly, the SWCI–NDVI feature space was parameterized, and an index d(SWCI, NDVI) was computed based on the distribution of the observations in the SWCI–NDVI spectral space. Finally, standardized LST (LST/long term mean of LST) was combined to d(SWCI, NDVI) to give a new water stress index, Temperature Vegetation Water Stress Index (TVWSI). The modeled soil moisture from the Australian Water Resource Assessment—Landscape (AWRA-L) and Soil Water Fraction (SWF) from four FLUXNET sites across Victoria and New South Wales were used to evaluate TVWSI. The index TVWSI exhibited a high correlation with AWRA-L soil moisture (R2 of 0.71 with p < 0.001) and the ground-based SWF (R2 of 0.25–0.51 with p < 0.001). TVWSI predicted soil moisture more accurately with RMSE of 21.82 mm (AWRA-L) and 0.02–0.04 (SWF) compared to the RMSE ranging 28.98–36.68 mm (AWRA-L) and 0.03–0.05 (SWF) were obtained for some widely used water stress indices. The TVWSI could also be a useful input parameter for other environmental models.

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Yun, Seok Kyu, 석규 윤, Sung Jong Kim, Eun Young Nam, Jung Hyun Kwon, Yun Soo Do, Seung-Yeob Song et al. "Evaluation of Water Stress Using Canopy Temperature andCrop Water Stress Index (CWSI) in Peach Trees". Protected Horticulture and Plant Factory 29, n.º 1 (1 de janeiro de 2020): 20–27. http://dx.doi.org/10.12791/ksbec.2020.29.1.20.

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Munia, H., J. H. A. Guillaume, N. Mirumachi, M. Porkka, Y. Wada e M. Kummu. "Water stress in global transboundary river basins: significance of upstream water use on downstream stress". Environmental Research Letters 11, n.º 1 (1 de janeiro de 2016): 014002. http://dx.doi.org/10.1088/1748-9326/11/1/014002.

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Fukaya, Masashi, Fujio Yoshikubo, Hisamitsu Hatoh, Yuji Matsui, Yoshiaki Tamura e Yoichiro Matsumoto. "ICONE19-43877 Prediction of Residual Stress Improvement by Water Jet Peening (WJP) Using Cavitating Jet and Residual Stress Simulations". Proceedings of the International Conference on Nuclear Engineering (ICONE) 2011.19 (2011): _ICONE1943. http://dx.doi.org/10.1299/jsmeicone.2011.19._icone1943_331.

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Lukács, A., G. Pártay, T. Németh, S. Csorba e C. Farkas. "Drought stress tolerance of two wheat genotypes". Soil and Water Research 3, Special Issue No. 1 (30 de junho de 2008): S95—S104. http://dx.doi.org/10.17221/10/2008-swr.

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Biotic and abiotic stress effects can limit the productivity of plants to great extent. In Hungary, drought is one of the most important constrains of biomass production, even at the present climatic conditions. The climate change scenarios, developed for the Carpathian basin for the nearest future predict further decrease in surface water resources. Consequently, it is essential to develop drought stress tolerant wheat genotypes to ensure sustainable and productive wheat production under changed climate conditions. The aim of the present study was to compare the stress tolerance of two winter wheat genotypes at two different scales. Soil water regime and development of plants, grown in a pot experiment and in large undisturbed soil columns were evaluated. The pot experiments were carried out in a climatic room in three replicates. GK Élet wheat genotype was planted in six, and Mv Emese in other six pots. Two pots were left without plant for evaporation studies. Based on the mass of the soil columns without plant the evaporation from the bare soil surface was calculated in order to distinguish the evaporation and the transpiration with appropriate precision. A complex stress diagnosis system was developed to monitor the water balance elements. ECH<sub>2</sub>O type capacitive soil moisture probes were installed in each of the pots to perform soil water content measurements four times a day. The irrigation demand was determined according to the hydrolimits, derived from soil hydrophysical properties. In case of both genotypes three plants were provided with the optimum water supply, while the other three ones were drought-stressed. In the undisturbed soil columns, the same wheat genotypes were sawn in one replicate. Similar watering strategy was applied. TDR soil moisture probes were installed in the soil at various depths to monitor changes in soil water content. In order to study the drought stress reaction of the wheat plants, microsensors of 1.6 mm diameter were implanted into the stems and connected to a quadrupole mass spectrometer for gas analysis. The stress status was indicated in the plants grown on partly non-irrigated soil columns by the lower CO<sub>2</sub> level at both genotypes. It was concluded that the developed stress diagnosis system could be used for soil water balance elements calculations. This enables more precise estimation of plant water consumption in order to evaluate the drought sensitivity of different wheat genotypes.

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Kumari, Santosh, e H. M. Rawson H. M. Rawson. "Temperature, Vapour Pressure Deficit and Water Stress Interaction on Transpiration in Wheat". International Journal of Scientific Research 2, n.º 3 (1 de junho de 2012): 375–76. http://dx.doi.org/10.15373/22778179/mar2013/123.

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Murtic, Senad, Rodoljub Oljaca, Ivana Koleska, Lutvija Karic e Vida Todorovic. "Response of cherry tomato seedlings to liquid fertiliser application under water stress". Horticultural Science 45, No. 1 (21 de fevereiro de 2018): 22–28. http://dx.doi.org/10.17221/17/2017-hortsci.

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The aim of this study was to examine the impact of different liquid fertilisers on selected physiological parameters in order to evaluate the drought tolerance of cherry tomato seedlings. The following physiological parameters were investigated: total phenolic and flavonoid content, total antioxidant capacity and proline content of leaf extracts. Total phenolic and flavonoid content were determined using the Folin-Ciocalteu and aluminium chloride colorimetric methods, respectively. The ferric-reducing/antioxidant power (FRAP assay) was used to measure the total antioxidant capacity, while proline content was evaluated according to the method of Bates. The contents of proline, total phenolics and flavonoids were significantly higher in the leaves of cherry tomato seedlings exposed to water stress, which suggests that the higher synthesis of these substances by plants represents an important defence mechanism of drought tolerance. The results also indicate that the application of all the used fertilisers in accordance with the manufacturer’s instructions can significantly increase the content of phenol compounds and total antioxidant capacity of plants under normal growth conditions, thus improving survival under subsequent stress.

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Nguyen, Le-Thu-Ha, Lucie S. Monticelli, Nicolas Desneux, Christiane Metay-Merrien, Edwige Amiens-Desneux e Anne-Violette Lavoir. "Bottom-up effect of water stress on the aphid parasitoid Aphidius ervi". Entomologia Generalis 38, n.º 1 (26 de outubro de 2018): 15–27. http://dx.doi.org/10.1127/entomologia/2018/0575.

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Zhang, Ling, Qimin Ma, Yanbo Zhao, Hao Chen, Yingyi Hu e Hui Ma. "China's strictest water policy: Reversing water use trends and alleviating water stress". Journal of Environmental Management 345 (novembro de 2023): 118867. http://dx.doi.org/10.1016/j.jenvman.2023.118867.

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Arora, Rajeev, Dharmalingam S. Pitchay e Bradford C. Bearce. "EFFECT OF WATER STRESS ON HEAT STRESS TOLERANCE IN GERANIUM". HortScience 31, n.º 6 (outubro de 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 temperature causing half-maximal percent injury, was based on electrolyte leakage from leaf disks subjected to 25 to 60C. Control-watering was restored in stressed plants and above measurements made after 7 days of recovery. Data indicate: 1) LXWP, LRWC, and MWC in control and stressed plants were –0.378 and –0.804 MPa, 92.31% and 78.69% and 82.86% and 15.5%, respectively; 2) HST increased significantly in stressed as compared to control plants (LT50 of 55C vs. 51C); 3) control plants were near maximally injured by 53C treatment and sustained more than 3-fold greater injury than stressed plants at 53C. In recovered plants, LXWP and RWC reversed back to control levels, paralleled by loss of higher HST.

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Lobato, A. K. S., R. C. L. Costa, C. F. Oliveira Neto, B. G. Santos Filho, M. C. Gonçalves-Vidigal, P. S. Vidigal Filho, C. R. Silva et al. "Consequences of the water deficit on water relations and symbiosis in Vigna unguiculata cultivars". Plant, Soil and Environment 55, No. 4 (5 de maio de 2009): 139–45. http://dx.doi.org/10.17221/1615-pse.

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The study aimed at evaluating and comparing changes provoked by the water deficit on water relations and nitrogen fixation in two <I>Vigna unguiculata</I> cultivars, as well as at indicating which cultivar is more tolerant under water deficiency. The experimental design used was entirely randomized in factorial scheme, with 2 cultivars (Pitiuba and Pérola) and 2 water regimes (control and stress). The parameters evaluated were the leaf relative water content, stomatal conductance, transpiration rate, nodule number, nodule dry matter, nitrate reductase enzyme activity, ureide concentration and leghemoglobin in nodule. The stomatal conductance of the Pitiuba and Pérola cultivars under water deficit were 0.20 and 0.01 mmol H<sub>2</sub>O/m<sup>2</sup>/s, respectively. The nitrate reductase activity of the plants under stress was significantly reduced in both cultivars. The leghemoglobin in the Pitiuba and Pérola cultivars under water stress had the concentrations of 58 and 41 g/kg dry matter, respectively. The parameters investigated in this study suggest that the Pitiuba cultivar under water deficit suffers from smaller changes, when compared with Pérola cultivar.

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NONAMI, Hiroshi. "Measurement Techniques for Water Stress Analyses". Shokubutsu Kankyo Kogaku 31, n.º 2 (2019): 73–78. http://dx.doi.org/10.2525/shita.31.73.

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McBurney, T., e P. A. Costigan. "CONTINUOUS MEASUREMENT OF PLANT WATER STRESS". Acta Horticulturae, n.º 228 (setembro de 1988): 227–34. http://dx.doi.org/10.17660/actahortic.1988.228.26.

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