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Journal articles on the topic 'Relative Water Content (RWC)'

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Published: 3 June 2025

Last updated: 31 July 2025

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1

Chen, Chuhe, J. Scott Cameron, and Ann Marie VanDerZanden. "327 LEAF WATER POTENTIAL, RELATIVE WATER CONTENT AND GAS EXCHANGE OF STRAWBERRY LEAVES IN RESPONSE TO WATE.R STRESS." HortScience 29, no. 5 (1994): 477d—477. http://dx.doi.org/10.21273/hortsci.29.5.477d.

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Leaf water potential (LWP). relative water content (RWC), gas exchange rates and 4th-derivative spectra were measured in water-stressed and normally Irrigated plank of Totem' strawberry (Fragaria × ananassa) grown in a growth chamber. CO2 assimilation rate (A) dropped sharply when LWP decreased from -0.5 to -1.2 MPa and almost ceased as LWP fell below -1.5 MPa. There was a significant but more gradual decline of A as RWC decreased form 90% to 55%. An exponential relationship with A was observed across a wide range of LWP and RWC (Rz= 0.64, 0.86, respectively). LWP was more closely related with

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2

Chowdhury, JA, MA Karim, QA Khaliq, MSA Khan, SK Paul, and AU Ahmed. "Midday Drop of Relative Leaf Water Content to Drought Tolerance in Soybean." Bangladesh Agronomy Journal 18, no. 2 (2016): 31–38. http://dx.doi.org/10.3329/baj.v18i2.28901.

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An experiment was conducted in a Venylhouse of Bangabandhu Sheikh Mujibur Rahman Agricultural University during September to December 2012 to determine the effect of midday drop of relative water content (RWC) on drought tolerance of soybean genotypes. Four soybean genotypes viz. Shohag, BARI Soybean-6, BD2331 and BGM2026 were used in the study. Plants were grown in pots under stress and control condition. A marked difference in RWC between morning and midday was observed both in stressed and control plants. BARI Soybean-6 showed higher RWC than rest of the genotypes and BGM2026 showed the low

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3

Shinde, Harshraj, Ambika Dudhate, Atul Sathe, Neha Paserkar, Sopan Ganpatrao Wagh, and Ulhas Sopanrao Kadam. "Gene Coexpression Analysis Identifies Genes Associated with Chlorophyll Content and Relative Water Content in Pearl Millet." Plants 12, no. 6 (2023): 1412. http://dx.doi.org/10.3390/plants12061412.

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Pearl millet is a significant crop that is tolerant to abiotic stresses and is a staple food of arid regions. However, its underlying mechanisms of stress tolerance are not fully understood. Plant survival is regulated by the ability to perceive a stress signal and induce appropriate physiological changes. Here, we screened for genes regulating physiological changes such as chlorophyll content (CC) and relative water content (RWC) in response to abiotic stress by using “weighted gene coexpression network analysis” (WGCNA) and clustering changes in physiological traits, i.e., CC and RWC associa

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Gholizadeh, Amir, Hamid Dehghani, and Mostafa Khodadadi. "Quantitative genetic analysis of water deficit tolerance in coriander through physiological traits." Plant Genetic Resources: Characterization and Utilization 17, no. 03 (2019): 255–64. http://dx.doi.org/10.1017/s1479262118000539.

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AbstractDrought stress restricts the production of agricultural crops through morphological, physiological and biochemical changes in plants. This study explored the genetic control of physiological traits related to drought in coriander. In a diallel analysis, all six parents, their 15 F1 hybrids and 15 F2 populations were subjected to different irrigation regimes including well-watered, mild and severe water deficit stress. Drought stress decreased the relative chlorophyll content (RCC), the relative water content (RWC), chlorophyll a (Chla), chlorophyll b (Chlb), total chlorophyll (TChl) co

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Boyer, John S., Richard A. James, Rana Munns, Tony (A G. ). Condon, and John B. Passioura. "Osmotic adjustment leads to anomalously low estimates of relative water content in wheat and barley." Functional Plant Biology 35, no. 11 (2008): 1172. http://dx.doi.org/10.1071/fp08157.

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Relative water content (RWC) is used extensively to determine the water status of plants relative to their fully turgid condition. However, plants often adjust osmotically to salinity or water deficit, which maintains turgor pressure and obscures the definition of ‘full turgidity’. To explore this problem, turgor was measured by isopiestic psychrometry in mature leaf blades of barley (Hordeum vulgare) and durum wheat (Triticum turgidum ssp. durum) salinised to 150 mm NaCl, or bread wheat (Triticum aestivum) grown in soil dehydrated to varying degrees. Osmotic adjustment maintained turgor in al

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Jolly, W. Matt, Ann M. Hadlow, and Kathleen Huguet. "De-coupling seasonal changes in water content and dry matter to predict live conifer foliar moisture content." International Journal of Wildland Fire 23, no. 4 (2014): 480. http://dx.doi.org/10.1071/wf13127.

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Live foliar moisture content (LFMC) significantly influences wildland fire behaviour. However, characterising variations in LFMC is difficult because both foliar mass and dry mass can change throughout the season. Here we quantify the seasonal changes in both plant water status and dry matter partitioning. We collected new and old foliar samples from Pinus contorta for two growing seasons and quantified their LFMC, relative water content (RWC) and dry matter chemistry. LFMC quantifies the amount of water per unit fuel dry weight whereas RWC quantifies the amount of water in the fuel relative t

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7

Budiyanto, Susilo, Hanifah Syifaa Almas, and Rosyida Rosyida. "Involvement of humic acid in production and physiology of soybean (Glycine max L.) under drought stress conditions." AGROMIX 15, no. 2 (2024): 186–92. https://doi.org/10.35891/agx.v15i2.4432.

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Introduction: This study aims to determine the best effect of soybean plant production and physiology on humic acid application under drought-stress conditions. Methods: This study used a factorial complete randomized design with three levels of humic acid (0 ppm, 500 ppm, and 1000 ppm) and three levels of drought stress (80% KL, 60% KL, and 40%). The parameters analyzed were the number of flowers, pod fresh weight, pod dry weight, number of seeds, leaf chlorophyll, relative water content (RWC), and stomatal density. Results: The highest number of flowers was in the 80% KL drought stress treat

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Maki, Hideki, Valerie Lynch, Dongdong Ma, Mitchell R. Tuinstra, Masanori Yamasaki, and Jian Jin. "Comparison of Various Nitrogen and Water Dual Stress Effects for Predicting Relative Water Content and Nitrogen Content in Maize Plants through Hyperspectral Imaging." AI 4, no. 3 (2023): 692–705. http://dx.doi.org/10.3390/ai4030036.

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Water and nitrogen (N) are major factors in plant growth and agricultural production. However, these are often confounded and produce overlapping symptoms of plant stress. The objective of this study is to verify whether the different levels of N treatment influence water status prediction and vice versa with hyperspectral modeling. We cultivated 108 maize plants in a greenhouse under three-level N treatments in combination with three-level water treatments. Hyperspectral images were collected from those plants, then Relative Water Content (RWC), as well as N content, was measured as ground tr

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9

Graves, William R., and Hongyi Zhang. "Relative Water Content and Rooting of Subirrigated Stem Cuttings in Four Environments without Mist." HortScience 31, no. 5 (1996): 866–68. http://dx.doi.org/10.21273/hortsci.31.5.866.

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Air temperature and photosynthetically active radiation (PAR) effects on relative water content (RWC), rooting percentage, root count, and root mass of unmisted, subirrigated stem cuttings of two taxa were determined. Leaf RWC of `Charm' chrysanthemum [Dendranthema ×grandiflorum (Ramat.) Kitamura] decreased until roots initiated and then increased, was lower for cuttings at 23 °C photoperiod/14 °C dark than for cuttings at 31 °C photoperiod/22 °C dark, and was lower at 193 than at 69 μmol·m–2·s–1 PAR. Neither temperature nor PAR affected leaf RWC of `Dollar Princess' fuchsia (Fuchsia ×hybrida

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10

Tanentzap, Fallon M., Alexandra Stempel, and Peter Ryser. "Reliability of leaf relative water content (RWC) measurements after storage: consequences for in situ measurements." Botany 93, no. 9 (2015): 535–41. http://dx.doi.org/10.1139/cjb-2015-0065.

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Relative water content (RWC) is widely used to describe plant water status, and is commonly measured gravimetrically. The ephemeral nature of leaf fresh mass poses severe constraints for such measurements in field-grown plants. These constraints can be overcome by transporting the leaves in waterproof containers into the lab. However, even then, leaves lose water, and other changes may happen. The effects of a delay on the measurement of RWC have not been quantified so far. In this study, the influence of duration of storage up to 96 h and storage temperature on RWC and its components was inve

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11

Jiang, Yiwei, Huifen Liu, and Van Cline. "Correlations of Leaf Relative Water Content, Canopy Temperature, and Spectral Reflectance in Perennial Ryegrass Under Water Deficit Conditions." HortScience 44, no. 2 (2009): 459–62. http://dx.doi.org/10.21273/hortsci.44.2.459.

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Accurate, rapid, and nondestructive estimates of turfgrass leaf water status are important for site-specific irrigation and drought stress management. The objective of this study was to identify changes and correlations among the canopy reflectance, canopy temperature, and leaf relative water content (RWC) of perennial ryegrass (Lolium perenne L.) under water deficit conditions. Six cultivars of perennial ryegrass were subjected to dry-downs in the field from May to Aug. 2007 and from June to Aug. 2008. Turf quality was positively correlated with soil moisture (SM), RWC, and normalized differe

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12

Parvin, S., T. Javadi, and N. Ghaderi. "Proline, Protein, Rwc and Msi Contents Affected by Paclobutrazol and Water Deficit Treatments in Strawberry Cv. Paros." Cercetari Agronomice in Moldova 48, no. 1 (2015): 107–14. http://dx.doi.org/10.1515/cerce-2015-0022.

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Abstract Drought is one of the critical environmental stresses that affect growth and development of plants. Plants are damaged directly and indirectly under drought stress. Increasing water stress tolerance in plants is crucial. The aim of this study was to investigate the effects of different water stress levels (-1, -5, and -10 bars) and paclobutrazol application (0 and 50 mg-1) on strawberry cv. Paros. According to analyses of variance there were significant effects of drought stress and paclobutrazol application on leaf area, leaf dry weight, leaf relative water content (RWC), cell membra

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13

Chen, Chuhe, J. Scott Cameron, and Stephen F. Klauer. "Comparison of Strawberry F. chilocnsis and F. ×ananassa in Response to Water Stress: I. Leaf Water Potential, Relative Water Content, and Gas Exchange Characteristics." HortScience 31, no. 4 (1996): 601c—601. http://dx.doi.org/10.21273/hortsci.31.4.601c.

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Leaf water potential (LWP), relative water content (RWC), gas exchange characteristics, and specific leaf weight (SLW) were measured six hours before, during, and after water stress treatment in F. chiloensis and F. ×ananassa grown in growth chambers. The leaves of both species showed significantly lower LWP and RWC as water stress developed. F. ×ananassa had consistency lower LWP under stressed and nonstressed conditions than F. chiloensis. F. ×ananassa had higher RWC under nonstressed conditions, and its RWC decreased more rapidly under water stress than F. chiloensis. In comparison to F. ×a

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14

Minardi, Bruno Degaspari, Ana Paula Lorenzen Voytena, Marisa Santos, and Áurea Maria Randi. "The Epiphytic FernElaphoglossum luridum(Fée) Christ. (Dryopteridaceae) from Central and South America: Morphological and Physiological Responses to Water Stress." Scientific World Journal 2014 (2014): 1–9. http://dx.doi.org/10.1155/2014/817892.

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Elaphoglossum luridum(Fée) Christ. (Dryopteridaceae) is an epiphytic fern of the Atlantic Forest (Brazil). Anatomical and physiological studies were conducted to understand how this plant responds to water stress. TheE. luridumfrond is coriaceus and succulent, presenting trichomes, relatively thick cuticle, and sinuous cell walls in both abaxial and adaxial epidermis. Three treatments were analyzed: control, water deficit, and abscisic acid (ABA). Physiological studies were conducted through analysis of relative water content (RWC), photosynthetic pigments, chlorophyll a fluorescence, and mala

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15

Jahangirov, A., S. Mammadova, T. Allahverdiyev, and I. Huseynova. "Study of Photosynthetic Gas Exchange Parameters and Relative Water Content of Flag Leaf in Soft Wheat Genotypes Under Different Water Supply Conditions." Bulletin of Science and Practice, no. 12 (December 15, 2022): 81–91. http://dx.doi.org/10.33619/2414-2948/85/10.

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The results of the study of the relative water content (RWC) and photosynthetic gas exchange parameters of the flag leaves in 21 soft wheat genotypes under rainfed conditions of Mountain Shirvan have been presented in the paper. The research was performed with drought-exposed and irrigated variants during the grain filling phase. RWC of the flag leaves of Vostorg, Murov 2, Tale 38, and Gyrmyzy gul 1 genotypes was higher both under drought and irrigated conditions. There was a positive correlation between RWC and earing time, and a negative correlation between RWC and plant height. The average

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16

Pereira-Netto, Adaucto Bellarmino de, Antonio Celso Novaes de Magalhães, and Hilton Silveira Pinto. "Effects of soil water depletion on the water relations in tropical kudzu." Pesquisa Agropecuária Brasileira 34, no. 7 (1999): 1151–57. http://dx.doi.org/10.1590/s0100-204x1999000700006.

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Tropical kudzu (Pueraria phaseoloides (Roxb.) Benth., Leguminosae: Faboideae) is native to the humid Southeastern Asia. Tropical kudzu has potential as a cover crop in regions subjected to dryness. The objective of this paper was to evaluate the effect of soil water depletion on leaflet relative water content (RWC), stomatal conductance (g) and temperature (T L) in tropical kudzu. RWC of waterstressed plants dropped from 96 to 78%, following a reduction in SWC from 0.25 to 0.17 g (H2O).g (dry soil)-1.Stomatal conductance of stressed plants decreased from 221 to 98 mmol.m-2.s-1, following the r

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17

Singh, Manish Kumar. "Protective role of antioxidant enzymes in chickpea (Cicer arietinum L.) genotypes under high temperature stress." Current Life Sciences 4, no. 1 (2018): 1–9. https://doi.org/10.5281/zenodo.1116380.

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Four chickpea genotypes differing in their sensitivity to high temperature stress were taken and grown in growth chambers in the phytotron facility of IARI, New Delhi. The plants were maintained at 18/23°C (control) and 25/35°C (temperature stress) night/day temperature after maximum tillering. In all chickpea genotypes high temperature stress increased membrane injury index (MII), activity of superoxide dismutase (SOD) and ascorbate peroxidase (APX), malic acid and slightly decreased the activity of glutathione reductase (GR), relative water content (RWC), chlorophyll and carotenoid c

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18

Orsák, Matyáš, Zora Kotíková, František Hnilička, Jaromír Lachman, and Radovan Stanovič. "Effect of drought and waterlogging on hydrophilic antioxidants and their activity in potato tubers." Plant, Soil and Environment 66, No. 3 (2020): 128–34. http://dx.doi.org/10.17221/520/2019-pse.

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Maintaining a strong antioxidant system is essential for preventing drought or waterlogging stresses damage in potato tubers. In the two-year pot experiment, the effect of long-term drought and waterlogging stresses on the content of phenolic acids, ascorbic acid, and antioxidant activity in potato tubers and relative water content of four cultivars was evaluated. Drought stress significantly (P &lt; 0.05) decreased relative water content (RWC) in the leaves of all genotypes. The evaluation of the relationship between phenolic acid content and the level of plant stress expressed as RWC sho

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Kumar, Naresh, S. K. Intodia, Ronak Kuri, Rahul Gurjar, and Jagdish Mali. "Effect of Biochar Application on Biochemical and Physiological Processes in Wheat (Triticum aestivum L.) under Water Stress Condition." Asian Research Journal of Agriculture 17, no. 3 (2024): 102–6. http://dx.doi.org/10.9734/arja/2024/v17i3476.

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A field experiment was conducted at Udaipur (Rajasthan) during rabi season of 2021-22 to evaluate the effect of water stress and biochar application on biochemical and physiological processes in wheat. The experiment consisted of four levels of water stress as main-plot and four levels of biochar as sub-plot treatments conducted in split plot design (SPD) replicated thrice. Results revealed that water stress at various growth stages and biochar application had effect on proline, chlorophyll and relative water content (RWC). Water stress at grain filling stages resulted in higher chlorophyll an

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Likhita, Satti, and Gulab Singh Dr. "Gather various plant components and measure stress-related physiological indicators such relative water content (RWC)." International Journal of Trends in Emerging Research and Development 1, no. 1 (2024): 175–80. https://doi.org/10.5281/zenodo.12663397.

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The physiochemical tests were conducted using <em>Vitex negundo</em> and <em>Eclipta prostrata</em>. To fully grasp the physiological state and therapeutic qualities of plants, seasonal fluctuation is the most crucial factor to consider. The various environmental factors have been observed to cause fluctuations in the concentration of inorganic elements, photosynthetic pigments (such as chlorophyll a, b, and carotenoids), photosynthetic enzymes (such as RuBPCase), oxidative enzymes (such as IAA oxidase), nitrogen metabolism enzymes (such as Nitrate reductase and Nitrite reductase), organic con

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Virginia, Salvador, Megan Pagan, Melissa Cooper, et al. "Genetic Analysis of Relative Water Content (RWC) in Two Recombinant Inbred Line Populations of Soybean [Glycine max (L.) Merr.]." Plant Genetics, Genomics, and Biotechnology 1, no. 2 (2017): 46–53. http://dx.doi.org/10.5147/pggb.v1i2.151.

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Drought affects soybean [Glycine max (L.) Merr.] and other crops productivity in the US and other parts of the world. Relative water content (RWC) is an important indicator for plant water deficit tolerance (WDT). The objective of this study is to map quantitative trait loci (QTL) for RWC and several other leaf traits such as leaf dry weight (LDW), leaf fresh weight (LFW), and leaf turgid weight (LTW) in two soybean recombinant inbred line (RIL) populations, one derived from a cross of ‘Essex’ and ‘Forrest’ (ExF, n=94) and the other is derived from a cross of ‘PI 438489B’ and ‘Hamilton’ (PIxH,

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Singh, Saurabh, Shambhoo Prasad, Vandna Kushwaha, et al. "To Study the Response Terminal Water Stress on Physio- Biochemical Changes in Drought Tolerant and Drought Sensitive Rice Genotypes." Environment and Ecology 42, no. 4C (2024): 2099–105. https://doi.org/10.60151/envec/enda1922.

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A pot experiment was conducted during kharif season 2022 with two rice genotypes IR 64 (drought sensitive) and Nagina 22 (drought tolerant) to evaluate physio-biochemical changes under terminal water stress condition in department of Molecular biology and Biotechnology, Acharya Narendra deva University of agriculture and Technology, Kumarganj, Ayodhya 224229, Uttar Pradesh, India. The water treatment of 14 days was given at initiation of flowering under pot culture treatments. Leaf rolling pattern, Relative water Content (RWC), Chlorophyll content, Proline content, catalase and Peroxidase acti

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Barón, Andrés Felipe, Walther García, Luz Marina Melgarejo, and Luis Carlos Montenegro. "Physiological Aspects of Racomitrium crispipilum Taylor A. (Jaeger) during Dry Season in Páramo de Chingaza, Colombia." Bryophyte Diversity and Evolution 30, no. 1 (2009): 1–7. http://dx.doi.org/10.11646/bde.30.1.2.

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In order to study the response to water deficit of the moss Racomitrium crispipilum (Taylor) A. Jaeger, a bryophyte typical of open sites and expose to water shortage, measurements of its soluble protein and proline contents, and enzymatic activity of catalase and peroxidase were made. Sampling was done in the Páramo de Chingaza, eastern mountain range of Colombia, in the zone of Lagunas de Buitrago during the dry season. We determined that R. crispipilum diminish its relative water content (RWC) from 50% to 4% of its dry mass (DM) (i.e. to <10% of its capacity), without losing the ability

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Weaver, Merle L., and H. Timm. "Influence of Temperature and Plant Water Status on Pollen Viability in Beans." Journal of the American Society for Horticultural Science 113, no. 1 (1988): 31–35. http://dx.doi.org/10.21273/jashs.113.1.31.

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Abstract The effect of temperature, soil moisture, and diurnal variations in plant water content on pollen viability (PV) in bean (Phaseolus vulgaris L.) genotypes was investigated under field conditions in 1981 and 1982. Each year PV, relative water content (RWC), and leaf water potential (LWP) of each cultivar at mean soil moisture tensions (MSMT) of −0.05 and −0.10 MPa were reduced significantly between 0700 hr and 1400 hr. At a MSMT of −0.05 MPa, PV and RWC of both cultivars significantly increased between 1400 hr and 1900 hr. During the same period, the LWP of ‘California Light Red Kidney

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Kovar, Marek, Marian Brestic, Oksana Sytar, Viliam Barek, Pavol Hauptvogel, and Marek Zivcak. "Evaluation of Hyperspectral Reflectance Parameters to Assess the Leaf Water Content in Soybean." Water 11, no. 3 (2019): 443. http://dx.doi.org/10.3390/w11030443.

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Nondestructive assessment of water content and water stress in plants is an important component in the rational use of crop irrigation management in precision agriculture. Spectral measurements of light reflectance in the UV/VIS/NIR region (350–1075 nm) from individual leaves were acquired under a rapid dehydration protocol for validation of the remote sensing water content assessment in soybean plants. Four gravimetrical approaches of leaf water content assessment were used: relative water content (RWC), foliar water content as percent of total fresh mass (FWCt), foliar water content as perce

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Seenaiah, Ragula, Kakumanu Babu, Banavath Jayanna Naik, Pinjari Akbar Basha, Penumalli, Shanthi, and Subba Naik Gari Thimma Naik. "Varied Mechanisms of Gas Exchange Parameters in Response to Altered Moisture Levels in Drought-Tolerant Cluster Bean [Cyamopsis Tetragonolaba (L.) Taub.] Genotypes." International Journal of Membrane Science and Technology 10, no. 2 (2023): 3359–69. http://dx.doi.org/10.15379/ijmst.v10i2.3120.

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An effort was made at Regional Agricultural Research Station (RARS), Rekulakunta to study the physiological attitudes of cluster bean (Cyamopsis tetragonoloba) against different water regimes such as 100%, 80%, 60%, 40%. Six cluster bean genotypes were grown in pots in a complete random block design (CRBD) and were regularly irrigated. Plants were subjected to drought treatment at 39 days after sowing (DAS) for 8 days. On the 46th day of sowing photosynthetic rate (PN), stomatal conductance (gS), transpiration (E), internal CO2 (Ci) were measured. Intrinsic water use efficiency (WUEi), relativ

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SUMMY, K.D. SHARMA, K.S. BOORA, and NEERAJ KUMAR. "Plant water status, canopy temperature and chlorophyll fluorescence in relation to yield improvement in chickpea (Cicer arietinum L.) under soil moisture stress environments." Journal of Agrometeorology 17, no. 1 (2015): 11–16. http://dx.doi.org/10.54386/jam.v17i1.969.

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The chickpea genotypes alongwith F4 progeny lines differing in their behavior towards drought stress were evaluated for seed yield, yield attributes and physiological traits related to drought tolerance. Parental genotypes, HC 1 and ICC 4958 were grown under both irrigated and drought conditions and progenies were grown under drought conditions only. Plant water status, relative stress injury (RSI), canopy temperature depression (CTD) and chlorophyll fluorescence (Fv/Fm) were measured at 50% flowering stage under drought conditions. Drought stress decreased the leaf water potential (LWP), leaf

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Anokye, Esther, Samuel T. Lowor, Jerome A. Dogbatse, and Francis K. Padi. "Potassium Application Positively Modulates Physiological Responses of Cocoa Seedlings to Drought Stress." Agronomy 11, no. 3 (2021): 563. http://dx.doi.org/10.3390/agronomy11030563.

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With increasing frequency and intensity of dry spells in the cocoa production zones of West Africa, strategies for mitigating impact of water stress on cocoa seedling survival are urgently required. We investigated the effects of applied potassium on biomass accumulation, physiological processes and survival of cocoa varieties subjected to water stress in pot experiments in a gauzehouse facility. Four levels of potassium (0, 1, 2, or 3 g/plant as muriate of potash) were used. Soil water stress reduced plant biomass accumulation (shoot and roots), relative water content (RWC), chlorophyll conte

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Chapman, Douglas S., and Robert M. Augé. "Physiological Mechanisms of Drought Resistance in Four Native Ornamental Perennials." Journal of the American Society for Horticultural Science 119, no. 2 (1994): 299–306. http://dx.doi.org/10.21273/jashs.119.2.299.

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Understanding physiological drought resistance mechanisms in ornamentals may help growers and landscapers minimize plant water stress after wholesale production. We characterized the drought resistance of four potted, native, ornamental perennials: purple coneflower [Echinacea purpurea (L.) Moench], orange coneflower [Rudbeckia fulgida var. Sullivantii (Beadle & Boynt.) Cronq.], beebalm (Monarda didyma L.), and swamp sunflower (Helianthus angustifolius L.). We measured a) stomatal conductance of leaves of drying plants, b) lethal water potential and relative water content, and c) leaf osmo

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Layne, Desmond R., and Patricia T. Tomlinson. "EFFECT OF TIMING OF DROUGHT STRESS ON GROWTH, DEVELOPMENT, AND LEAF WATER STATUS IN NORHERN RED OAK (Quercus rubra L.) SEEDLINGS." HortScience 28, no. 5 (1993): 487b—487. http://dx.doi.org/10.21273/hortsci.28.5.487b.

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Northern red oak seeds planted in thoroughly watered peat:sand mix in 15 × 35 cm pots were grown through three flushes in environmentally controlled growth chambers (16h day, 27C, 600 μE m-2 s-1; 8h night, 21C). After planting, seedlings were: i. not watered (early); or watered 2X/week: ii. for 2 weeks (mid); iii. for 1 month (late); or iv. for the duration of the study (control). Plants from i-iii were not rewatered until severe water stress developed (as indicated by predawn leaf water potential, Ψ). Soil relative water content (RWC), determined by time domain reflectometry (TDK) was followe

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James, A. T., R. J. Lawn, and M. Cooper. "Genotypic variation for drought stress response traits in soybean. III. Broad-sense heritability of epidermal conductance, osmotic potential, and relative water content." Australian Journal of Agricultural Research 59, no. 7 (2008): 679. http://dx.doi.org/10.1071/ar07161.

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The broad-sense heritability of 3 traits related to leaf survival in severely stressed plants was studied in several hybrid soybean populations. The 3 traits were epidermal conductance (ge), osmotic potential (π), and relative water content (RWC). The populations were generated by hybridising unrelated parental genotypes previously shown to differ in the 3 traits. ge (mm/s) was measured on well watered plants from 10 populations involving all combinations of 5 parental lines, grown in soil-filled beds in the glasshouse. π (MPa) and RWC (%) were measured on severely stressed plants of 3 populat

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James, A. T., R. J. Lawn, and M. Cooper. "Genotypic variation for drought stress response traits in soybean. II. Inter-relations between epidermal conductance, osmotic potential, relative water content, and plant survival." Australian Journal of Agricultural Research 59, no. 7 (2008): 670. http://dx.doi.org/10.1071/ar07160.

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As part of a project exploring the potential for using leaf physiological traits to improve drought tolerance in soybean, studies were conducted to explore whether epidermal conductance (ge), osmotic potential (π), and relative water content (RWC) influenced turgor maintenance and ultimately the survival of droughted plants. In a glasshouse study, plants of 8 soybean genotypes that showed different expression of the traits were grown in well watered soil-filled beds for 21 days and then exposed to terminal water deficit stress. The trends in each trait were then monitored periodically until pl

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DE A. SILVA, M., J. L. JIFON, J. A. G. DA SILVA, C. M. DOS SANTOS, and V. SHARMA. "Relationships between physiological traits and productivity of sugarcane in response to water deficit." Journal of Agricultural Science 152, no. 1 (2012): 104–18. http://dx.doi.org/10.1017/s0021859612000834.

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SUMMARYThe relationships between physiological variables and sugarcane productivity under water deficit conditions were investigated in field studies during 2005 and 2006 in Weslaco, Texas, USA. A total of 78 genotypes and two commercial varieties were studied, one of which was drought-tolerant (TCP93-4245) and the other drought-sensitive (TCP87-3388). All genotypes were subjected to two irrigation regimes: a control well-watered treatment (wet) and a moderate water-deficit stress (dry) treatment for a period of 90 days. Maximum quantum efficiency of photosystem II (Fv/Fm), estimated chlorophy

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Farshadfar, Ezatollah, and Reza Amiri. "Genetic analysis of physiological indicators of drought tolerance in bread wheat using diallel technique." Genetika 47, no. 1 (2015): 107–18. http://dx.doi.org/10.2298/gensr1501107f.

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In order to study genetic architecture of physiological criteria of drought tolerance in wheat using different diallel techniques, an experiment was conducted on six bread wheat genotypes as parents and their 15 hybrids in a randomized complete block design with three replicates under rainfed conditions at the Research Farm of the Campus of Agriculture and Natural Resources, Razi University, Kermanshah, Iran during 2010- 2011 cropping season. The results of analysis of variance showed significant differences between the genotypes for relative water content (RWC), relative chlorophyll content (

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Patanè, Cristina, Salvatore L. Cosentino, Daniela Romano, and Stefania Toscano. "Relative Water Content, Proline, and Antioxidant Enzymes in Leaves of Long Shelf-Life Tomatoes under Drought Stress and Rewatering." Plants 11, no. 22 (2022): 3045. http://dx.doi.org/10.3390/plants11223045.

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Some physiological, oxidative, and antioxidant enzymatic patterns were assessed in plants of three local Sicilian landraces of long shelf-life tomatoes (‘Custonaci’, ‘Salina’, and ‘Vulcano’), as compared to the commercial tomato hybrid ‘Faino’ (control). Three water treatments were considered in open-field: DRY (no irrigation); IRR (long-season full irrigation); REW (drought/rewatering cycles). During the growing season, soil water deficit (SWD) was estimated, and relative water content (RWC), specific leaf area (SLA), proline and malondialdehyde (MDA) content, and glutathione peroxidase (GPX)

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Luo, Yong-Zhong, Hui Liu, Guijun Yan, Guang Li, and Neil Turner. "Roots of Lucerne Seedlings are More Resilient to a Water Deficit than Leaves or Stems." Agronomy 9, no. 3 (2019): 123. http://dx.doi.org/10.3390/agronomy9030123.

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Drought is one of the most harmful environmental stresses affecting the physiological, biochemical processes and growth of plants. Lucerne or alfalfa (Medicago sativa L.), one of the most popular pasture species in arid and semi-arid regions, plays a critical role in sustaining agricultural systems in many areas of the world. In order to evaluate the effect of water shortage on water status, biomass distribution and proline content, the relative water content (RWC), biomass and proline concentration in the leaves, stems and roots of lucerne seedlings under three different water regimes were st

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Mousabeygi, Fatemeh, Samira Akhavan, and Yousef Rezaei. "Assessment of consumer-grade camera-derived vegetation indices for monitoring nitrogen and leaf relative water content of maize." Spanish Journal of Agricultural Research 20, no. 1 (2022): e0203-e0203. http://dx.doi.org/10.5424/sjar/2022201-17138.

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Aim of study: To develop non-destructive and rapid monitoring of water and nitrogen status in maize crops. Area of study: Bu-ali Sina University, Hamedan province, Iran. Material and methods: We used a low-cost modified consumer-grade camera to extract 40 vegetation indices for monitoring leaf N concentrations, SPAD values and relative water content (RWC). In this regard, 528 images taken by the low-cost camera in two consecutive years (2017 and 2018) from maize plants cultivated in a greenhouse under different irrigation and N treatments were evaluated. Main results: Results showed that the b

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Pour-Aboughadareh, Alireza, Mansoor Omidi, Mohammad Reza Naghavi, et al. "Effect of Water Deficit Stress on Seedling Biomass and Physio-Chemical Characteristics in Different Species of Wheat Possessing the D Genome." Agronomy 9, no. 9 (2019): 522. http://dx.doi.org/10.3390/agronomy9090522.

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Wild relatives of wheat serve as an extraordinary source of variability for breeding programs due to their capabilities to respond to various environmental stresses. Here, we investigated some species possessing a D genome (T. aestivum, Ae. tauschii, Ae. crassa and Ae. cylindrica) in terms of relative water content (RWC), stomatal conductance (Gs), relative chlorophyll content, initial fluorescence (Fo), maximum quantum yield of PSII (Fv/Fm), maximum primary yield of PSII photochemistry (Fv/Fo), as well as shoot fresh and dry biomasses under control and water deficit conditions. Our results re

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Boyce, Richard L., Andrew J. Friedland, Elizabeth T. Webb, and Graham T. Herrick. "Modeling the Effect of Winter Climate on High-Elevation Red Spruce Shoot Water Contents." Forest Science 37, no. 6 (1991): 1567–80. http://dx.doi.org/10.1093/forestscience/37.6.1567.

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Abstract During the winter of 1989-90, meteorological towers were erected at two sites (880 and 1010 m elevation) within the spruce-fir zone on Mt. Moosilauke, New Hampshire. Hourly means of temperature, wind velocity, relative humidity, and solar radiation were collected and stored on data loggers. Previous-year shoots were collected from four spruce trees at each site on a weekly basis, and their relative water contents (RWC) were determined. Measured meteorological parameters were used to simulate changes in the RWC of previous-year spruce shoots through the winter. Our model suggests that

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Mittal, Dr Girish Kumar, Mr Satyanarayan Yadav, Bhuri Singh, Pratibha Manohar, and Mahesh Kumar Mahatma. "Water deficit stress condition alters stress metabolites and essential oil content of coriander (Coriandrum sativum L.)." International Journal of Seed Spices 14, no. 1 (2025): 65–72. https://doi.org/10.56093/ijss.v14i1.7.

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Changes in relative water content (RWC), stress metabolites and essential oil (EO) contentwere studied in five genotypes of coriander during water deficit stress at 70 days after sowing (DAS) and 90 DAS. Leaf samples were taken for RWC and stress metabolites analysis while seeds were taken for estimation of EO content. A significant reduction in RWC was observed in all the genotypes at both the critical stages water stress. Coriander genotype UD-07 and UD-31 had lowest reduction, it can be inferred that genotype UD-07 had best tolerated to water deficit stress condition followed by UD-31. Indu

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Jesus, Maílson Vieira, Silvana de Paula Quintão Scalon, Daiane Mugnol Dresch, et al. "Arbuscular mycorrhizae alleviate water deficit in Dipteryx alata Vogel: seedling quality and resilience." Canadian Journal of Forest Research 52, no. 3 (2022): 320–27. http://dx.doi.org/10.1139/cjfr-2021-0088.

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Dipteryx alata Vogel (Fabaceae) is a fruit tree species native to the Cerrado with ecological and economic potential. However, a water deficit can be a limiting factor to the initial growth of this species, requiring knowledge on technologies that can alleviate this stressful effect. We hypothesized that inoculation with arbuscular mycorrhizae fungi contributes to stress mitigation during and after water deficit. Dipteryx alata seedlings were subjected to two water regimes (control: seedlings irrigated daily; and water deficit: irrigation suspension), associated with inoculation with arbuscula

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Santana Júnior, Edvaldo B., Eugênio F. Coelho, Karoline S. Gonçalves, and Jailson L. Cruz. "Physiological and vegetative behavior of banana cultivars under irrigation water salinity." Revista Brasileira de Engenharia Agrícola e Ambiental 24, no. 2 (2020): 82–88. http://dx.doi.org/10.1590/1807-1929/agriambi.v24n2p82-88.

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ABSTRACT The purpose of the study was to evaluate the effect of salinity levels of irrigation water on physiology and growth of banana cultivars during the vegetative stage. The experiment was carried out following a completely randomized design in split plots, with four levels of salinity in irrigation water (0.5, 2.0, 3.0 and 4.0 dS m-1) and four banana cultivars (Pacovan, Prata Anã, BRS Platina and Princesa) with three repetitions. Stomatal conductance, transpiration, relative water content, leaf water potential and proline concentration were evaluated at 150 days after transplanting (DAT),

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Jiménez, M. Soledad, Agueda González-Rodríguez, and Domingo Morales. "Effect of Dehydration on the Photosynthetic Apparatus of Sun and Shade Leaves of Laurel Forest Trees." Zeitschrift für Naturforschung C 54, no. 9-10 (1999): 704–10. http://dx.doi.org/10.1515/znc-1999-9-1014.

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In this work we study the effect of reduction in relative water content (RW C) on the chlorophyll fluorescence induction kinetics as well as on the membrane integrity, measured as electrolyte leakage, in sun and shade leaves of three Canarian laurel forest trees. No differences were found among the species and type of leaves, when the slow fluorescence kinetic parameters and electrolyte leakage were analyzed, values deviated from the normal ones at 70% and 40% RWC respectively. On the contrary, the photochemical efficiency of PSII was affected at higher values of RWC in sun leaves (90% and 52%

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Pooja, Kirpa Ram, Anju, and Anju Ahlawat. "Comparative Analysis of Morphological and Biochemical Profiles in Different Fenugreek (Trigonella foenum-graecum L.) Biotypes." Journal of Biology and Nature 16, no. 2 (2024): 68–78. http://dx.doi.org/10.56557/joban/2024/v16i28967.

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Fenugreek (Trigonella foenum-graecum L.), an annual plant of the Fabaceae family, widely recognized for its medicinal and nutritional value, is cultivated for its seeds and leaves that are rich in bioactive compounds such as phenol, alkaloid, saponin and tannin. In this study, seven fenugreek genotypes—Hisar Sonali, Rajendra Kranti, Gujarat Methi-1, Pusa Early Bunching, RMT-1, CO-1, and Pant Ragini—were evaluated under a completely randomized design to assess their morphological, physiological, and biochemical characteristics. The scientific analysis showed that the biotypes had significant va

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Farrell, Aidan D., Sarah Evelyn, Adrian M. Lennon, and Pathmanathan Umaharan. "Genotypic Variation in Senescence and Water Relations in Cut Flowers of Anthurium andraeanum (Hort.)." HortScience 47, no. 9 (2012): 1333–37. http://dx.doi.org/10.21273/hortsci.47.9.1333.

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The role of water status in determining vase life was investigated in three Anthurium andraeanum Hort. cultivars: Spirit, Success, and Honduras. The cultivars were selected based on their vase life in previous studies and designated as ‘Vshort’, ‘Vmed’ and ‘Vlong’ respectively. A timeline experiment observing spadix necrosis (bloom degradation) under controlled conditions determined end of vase life as 15, 18, and 36 days for Vshort, Vmed and Vlong respectively. Spathe relative water content (RWC) was closely associated with bloom degradation with all three cultivars reaching end of vase life

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Mansouri, S., and L. Radhouane. "MORPHOLOGICAL CHARACTERISTICS AND WATER STATUS OF SOME TUNISIAN BARLEY GENOTYPES SUBMITTED TO WATER STRESS." International Journal of Research - GRANTHAALAYAH 3, no. 5 (2017): 60–76. https://doi.org/10.5281/zenodo.883572.

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Tunisia has been qualified as a country vulnerable to climate change that will be unregistered a great drop of annual rainfall and an increase of evaporation. Response strategies of agriculture to drought will be critical because drought is one of the major abiotic stresses which adversely affect crop growth and yield. Among strategies to be developed to cope with the effect of climate change, recourse of genetic diversity and new varietal creation can be a solution among other methods. In this study, four barley genotypes were cultivated in semi-controlled conditions and submitted to three le

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Puhovkin, Anton, Oleksandra Bezsmertna, and Ivan Parnikoza. "Interspecific differences in desiccation tolerance of selected Antarctic lichens: Analysis of photosystem II effectivity and quenching mechanisms." Czech Polar Reports 12, no. 1 (2022): 31–43. http://dx.doi.org/10.5817/cpr2022-1-3.

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Lichens can survive and cope with unsufficient water supply resulting in low intrathalline relative water content. Under such conditions, photosynthesis is negatively affected by different degree of dehydration. In our study, fully hydrated samples of Xanthoria elegans, Umbilicaria decussata and Usnea aurantiaco-atra were light-acclimated and during following desiccation from a fully hydrated to dry state, steady-state chlorophyll fluorescence (FS), effective quantum yield of photochemical processes in PSII (ФPSII), and nonphotochemical quenching (qN) were measured in response to decreasing re

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Acciaresi, H., M. Yanniccari, E. Leguizamón, and J. Guiamet. "Leaf gas exchange and competitive ability of Zea mays and Sorghum halepense as affected by water competition." Acta Agronomica Hungarica 60, no. 3 (2012): 231–46. http://dx.doi.org/10.1556/aagr.60.2012.3.6.

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In an environment involving water deficit and competition, weed species may show inefficient water use. The aim was to determine the water consumption strategy of Zea mays and Sorghum halepense and the effects of these strategies on crop and weed competitive ability.Under two soil water availability conditions, the soil and leaf water potential (Ψl), relative water content (RWC) and leaf gas exchange parameters were measured during the critical period of crop competition in pot experiments where Z. mays and S. halepense were grown alone or in competition. In addition, the relative yield total

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Barták, Miloš, Jana Hazdrová, Kateřina Skácelová, and Josef Hájek. "Dehydration-induced responses of primary photosynthetic processes and spectral reflectance indices in Antarctic Nostoc commune." Czech Polar Reports 6, no. 1 (2016): 87–95. http://dx.doi.org/10.5817/cpr2016-1-9.

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In this study, we investigated the relationship between relative water content (RWC) of N. commune colonies recorded during gradual dehydration and (i) normalized difference vegetation index (NDVI), (ii) photochemical reflectance index (PRI), and (iii) primary photochemical processes of photosynthesis, effective quantum yield of photosynthetic processes (FPSII) in photosystem II particular. PRI increased from -0.05 to 0.02 with RWC decrease from 100% (full hydration) to 0% (dry state). NDVI showed somewhat curvilinear relationship with desiccation with minimum value of 0.25 found at 10% RWC. N

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De Carolis, Gabriele, Vincenzo Giannico, Leonardo Costanza, et al. "Prediction of Winter Wheat Parameters with Planet SuperDove Imagery and Explainable Artificial Intelligence." Agronomy 15, no. 1 (2025): 241. https://doi.org/10.3390/agronomy15010241.

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This study investigated the application of high-resolution satellite imagery from SuperDove satellites combined with machine learning algorithms to estimate the spatiotemporal variability of some winter wheat parameters, including the relative leaf chlorophyll content (RCC), relative water content (RWC), and aboveground dry matter (DM). The research was carried out within an experimental field in Southern Italy during the 2024 growing season. Different machine learning (ML) algorithms were trained and compared using spectral band data and calculated vegetation indices (VIs) as predictors. Mode

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