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Articles de revues sur le sujet « Grapevines – Physiology »

Auteur : Grafiati

Publié le 4 juin 2021

Mis à jour le 1 février 2022

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1

Nogales, Amaia, Hugo Ribeiro, Julio Nogales-Bueno, et al. "Response of Mycorrhizal ’Touriga Nacional‘ Variety Grapevines to High Temperatures Measured by Calorespirometry and Near-Infrared Spectroscopy." Plants 9, no. 11 (2020): 1499. http://dx.doi.org/10.3390/plants9111499.

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Heat stress negatively affects several physiological and biochemical processes in grapevine plants. In this work, two new methods, calorespirometry, which has been used to determine temperature adaptation in plants, and near-infrared (NIR) spectroscopy, which has been used to determine several grapevine-related traits and to discriminate among varieties, were tested to evaluate grapevine response to high temperatures. ‘Touriga Nacional’ variety grapevines, inoculated or not with Rhizoglomus irregulare or Funneliformis mosseae, were used in this study. Calorespirometric parameters and NIR spect

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2

Singh, Rupesh Kumar, Jessica Afonso, Marta Nogueira, Ana A. Oliveira, Fernanda Cosme, and Virgílio Falco. "Silicates of Potassium and Aluminium (Kaolin); Comparative Foliar Mitigation Treatments and Biochemical Insight on Grape Berry Quality in Vitis vinifera L. (cv. Touriga National and Touriga Franca)." Biology 9, no. 3 (2020): 58. http://dx.doi.org/10.3390/biology9030058.

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Grapevine physiology is influenced by several environmental factors, such as temperature, precipitation, potential evapotranspiration, and sunshine hours. Due to climatic changes, effects in grapevine physiology and consequently on the grape berry composition and quality have been observed. This work aims to make a comparative study of the effect of foliar mitigation treatment with kaolin (5%) and potassium silicates (0.1% and 0.05%) on the grape berry quality; namely on berry weight, pH, probable alcohol, total phenolics, tannins, total anthocyanins, monomeric anthocyanins, calcium, potassium

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Barceló, Alfonso Ros, Federico Pomar, Matías López-Serrano, and Maria Angeles Pedreño. "Peroxidase: a multifunctional enzyme in grapevines." Functional Plant Biology 30, no. 6 (2003): 577. http://dx.doi.org/10.1071/fp02096.

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Peroxidases are heme-containing enzymes that catalyse the one-electron oxidation of several substrates at the expense of H2O2. They are probably encoded by a large multigene family in grapevines, and therefore show a high degree of polymorphism. Grapevine peroxidases are glycoproteins of high thermal stability, whose molecular weight usually ranges from 35 to 45 kDa. Their visible spectrum shows absorption bands characteristic of high-spin class III peroxidases. Grapevine peroxidases are capable of accepting a wide range of natural compounds as substrates, such as the cell wall protein extensi

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Roper, M. Caroline, L. Carl Greve, Jeremy G. Warren, John M. Labavitch, and Bruce C. Kirkpatrick. "Xylella fastidiosa Requires Polygalacturonase for Colonization and Pathogenicity in Vitis vinifera Grapevines." Molecular Plant-Microbe Interactions® 20, no. 4 (2007): 411–19. http://dx.doi.org/10.1094/mpmi-20-4-0411.

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Xylella fastidiosa is the causal agent of Pierce's disease of grape, an economically significant disease for the grape industry. X. fastidiosa systemically colonizes the xylem elements of grapevines and is able to breach the pit pore membranes separating xylem vessels by unknown mechanisms. We hypothesized that X. fastidiosa utilizes cell wall degrading enzymes to break down pit membranes, based on the presence of genes involved in plant cell wall degradation in the X. fastidiosa genome. These genes include several β-1,4 endoglucanases, several xylanases, several xylosidases, and one polygalac

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Cauduro Girardello, Raul, Monica L. Cooper, Larry A. Lerno, et al. "Impact of Grapevine Red Blotch Disease on Cabernet Sauvignon and Merlot Wine Composition and Sensory Attributes." Molecules 25, no. 14 (2020): 3299. http://dx.doi.org/10.3390/molecules25143299.

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Grapevine red blotch disease (GRBD) is a recently identified viral disease that affects grapevines. GRBD has been shown to impact grapevine physiology and grape composition by altering specific ripening events. However, no studies have been reported on the impact of GRBD on wine composition and its sensory attributes. This study evaluated the impact of GRBD on wine primary and secondary metabolites, in addition to its sensory properties, when making wines from Cabernet Sauvignon and Merlot grapes during two seasons. Wines made with GRBD-impacted fruit were lower in ethanol content when compare

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Perazzolli, Michele, Federica Bampi, Silvia Faccin, et al. "Armillaria mellea Induces a Set of Defense Genes in Grapevine Roots and One of Them Codifies a Protein with Antifungal Activity." Molecular Plant-Microbe Interactions® 23, no. 4 (2010): 485–96. http://dx.doi.org/10.1094/mpmi-23-4-0485.

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Grapevine root rot, caused by Armillaria mellea, is a serious disease in some grape-growing regions. Young grapevines start to show symptoms of Armillaria root rot from the second year after inoculation, suggesting a certain degree of resistance in young roots. We used a suppression subtractive hybridization approach to study grapevine's reactions to the first stages of A. mellea infection. We identified 24 genes that were upregulated in the roots of the rootstock Kober 5BB 24 h after A. mellea challenge. Real-time reverse-transcriptase polymerase chain reaction analysis confirmed the inductio

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Downton, WJS, and WJR Grant. "Photosynthetic Physiology of Spur Pruned and Minimal Pruned Grapevines." Functional Plant Biology 19, no. 3 (1992): 309. http://dx.doi.org/10.1071/pp9920309.

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Canopy development, photosynthetic performance and yield characteristics of Riesling grapevines managed by either conventional spur pruning or minimal pruning were compared over a growing season. Leaf area development 4-5 weeks after budburst was 4-5-fold greater on the minimal pruned vines due to the 6-7-fold greater number of buds that burst to produce shoots. By time of flowering (8 weeks after budburst) there was less than a 2-fold difference between the pruning treatments in leaf area per vine. At time of harvest the leaf area of spur pruned vines on a Y-shaped trellis exceeded that of mi

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8

Silva, Vanessa, Rupesh Kumar Singh, Nelson Gomes, et al. "Comparative Insight upon Chitosan Solution and Chitosan Nanoparticles Application on the Phenolic Content, Antioxidant and Antimicrobial Activities of Individual Grape Components of Sousão Variety." Antioxidants 9, no. 2 (2020): 178. http://dx.doi.org/10.3390/antiox9020178.

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Chitosan, a natural polysaccharide, has been previously proposed as an elicitor in plants to prevent pathogen infections. The present study aimed to analyze the effect of chitosan solution and chitosan nanoparticles treatment applied on the grapevine variety Sousão with respect to the phenolic composition, antioxidant potential and antibacterial activity of its individual grape components. Grapevine plants of selected lines were sprayed with chitosan solution and chitosan nanoparticles, and ethanolic extracts of stems, seeds and skins were prepared from grapevines treated and not treated with

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9

Tomaz, Alexandra, José Coleto Martínez, and Carlos Arruda Pacheco. "Effects of cover crops and irrigation on ‘Tempranillo’ grapevine and berry physiology: an experiment under the Mediterranean conditions of Southern Portugal." OENO One 55, no. 3 (2021): 191–208. http://dx.doi.org/10.20870/oeno-one.2021.55.3.4629.

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In addition to irrigation, other viticultural practices such as soil management can be applied to improve grapevine (Vitis vinifera L.) quality responses and attenuate unfavourable environmental conditions. Cover crops in the interrow of irrigated vineyards change the dynamics of water extraction and it is expected that the patterns of vines’ water relations will be modified, also changing their productive responses. This study took place over two seasons in ‘Tempranillo’ grapevines in a vineyard in South Portugal, where a cover crop was sown in the inter-rows of half the study area (SCC) whil

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10

Aroca, Angeles, and Rosa Raposo. "Pathogenicity ofPhaeoacremoniumSpecies on Grapevines." Journal of Phytopathology 157, no. 7-8 (2009): 413–19. http://dx.doi.org/10.1111/j.1439-0434.2008.01513.x.

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Ollat, Nathalie, Laurence Geny, and Jean-Pierre Soyer. "Grapevine fruiting cuttings: validation of an experimental system to study grapevine physiology. I. Main vegetative characteristics." OENO One 32, no. 1 (1998): 1. http://dx.doi.org/10.20870/oeno-one.1998.32.1.1061.

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<p style="text-align: justify;">A method for producing fruiting cuttings of grapevine cv. Cabernet Sauvignon is described. The main developmental features of these cuttings are presented. The clusters reach maturity after 5 months and the period of cluster development is not shortened. Before flowering, a careful control of stem and leaf growth improves the partitioning of stored carbon towards the roots and the cluster. Vegetative growth occurs mainly between fruit set and veraison. During ripening, the leaf to fruit ratio is between 20 and 30 cm<sup>2</sup> of leaf area per

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12

Cataldo, Eleonora, Linda Salvi, Francesca Paoli, Maddalena Fucile, and Giovan Battista Mattii. "Effects of Defoliation at Fruit Set on Vine Physiology and Berry Composition in Cabernet Sauvignon Grapevines." Plants 10, no. 6 (2021): 1183. http://dx.doi.org/10.3390/plants10061183.

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Grapevine canopy defoliation is a fundamentally important technique for the productivity and quality of grapes. Leaf removal is a pivotal operation on high-density vines which aims to improve air circulation, light exposure, and leaf gas exchange. The effects of leaf removal (LR) on vine physiology and berry composition in Cabernet Sauvignon grapevines were studied during the 2018–2019 growing season in the Bolgheri area, Tuscany, Italy. The basal leaves were removed at fruit set at two severity levels (removal of four basal leaves of each shoot (LR4) and removal of eight basal leaves (LR8)).

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NICOLÁS, E., J. F. MAESTRE-VALERO, J. J. ALARCÓN, et al. "Effectiveness and persistence of arbuscular mycorrhizal fungi on the physiology, nutrient uptake and yield of Crimson seedless grapevine." Journal of Agricultural Science 153, no. 6 (2014): 1084–96. http://dx.doi.org/10.1017/s002185961400080x.

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SUMMARYIn the present study, carried out in South-eastern Spain, a commercial arbuscular mycorrhizal fungus (AMF;Glomus iranicumvar.tenuihypharumsp.nova) was introduced through drip irrigation to inoculate Crimson grapevines. Their effects on the physiological and nutritional activity were evaluated for 2 years (2011–12). Additionally, during the second year of experimentation, the persistence of mycorrhizae on the grapevine and their effects were innovatively analysed.The AMF satisfactorily colonized the Crimson grapevine roots, improved the plants water status, induced an improvement in the

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Prior, LD, AM Grieve, and BR Cullis. "Sodium chloride and soil texture interactions in irrigated field grown sultana grapevines. II. Plant mineral content, growth and physiology." Australian Journal of Agricultural Research 43, no. 5 (1992): 1067. http://dx.doi.org/10.1071/ar9921067.

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Effects of salinity on the mineral composition, growth and physiology of field-grown sultana grapevines were studied by adding NaCl solution to River Murray water. Five salt treatments, ranging between 0.37 and 3.47 dS m-l, were applied for six seasons. Petiole levels of Cl and Na were better predictors of yield than were lamina levels. There was no evidence of safe threshold salinity levels, so grapevine growers should aim to keep tissue salinity levels as low as possible, certainly below 1.5% and 0.5% for petiole Cl and Na respectively. Yield was affected not only by the salinity of the tiss

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Bell, T. L., S. L. Stephens, and M. A. Moritz. "Short-term physiological effects of smoke on grapevine leaves." International Journal of Wildland Fire 22, no. 7 (2013): 933. http://dx.doi.org/10.1071/wf12140.

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In recent years, bushfires and prescribed burns have caused substantial economic loss to the wine industry due to smoke taint, which makes wine unpalatable. Considerable research is being done to ameliorate smoke taint but the information available about the effect of smoke on grapevines is limited. We examined the physiological effects of short-term exposure to smoke on leaves of several varieties of grapevines. Gas exchange was measured before and after short-term exposure of leaves to smoke that was produced by combustion of two different fuels. For most varieties, short-term exposure to sm

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16

Souza, C. R., J. P. Maroco, M. M. Chaves, et al. "EFFECTS OF PARTIAL ROOT DRYING ON THE PHYSIOLOGY AND PRODUCTION OF GRAPEVINES." Acta Horticulturae, no. 646 (January 2004): 121–26. http://dx.doi.org/10.17660/actahortic.2004.646.14.

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17

Keller, Markus, Laura S. Deyermond, and Bhaskar R. Bondada. "Plant hydraulic conductance adapts to shoot number but limits shoot vigour in grapevines." Functional Plant Biology 42, no. 4 (2015): 366. http://dx.doi.org/10.1071/fp14206.

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The rate of shoot growth (vigour) in grapevines tends to decrease as the number of shoots per plant increases. Because the underlying causes of this relationship remain unclear, they were studied by variable pruning of field-grown, deficit-irrigated Merlot grapevines (Vitis vinifera L.). Shoot number ranged from 11 to 124 per vine and was inversely correlated with shoot growth rate, leaf appearance rate, axillary bud outgrowth, internode length, leaf size, shoot leaf area, carbon partitioned to the fruit (Cfruit) per shoot, average daily maximum photosynthesis (Amax), stomatal conductance (gma

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18

BARIBAULT, T. J., K. G. M. SKENE, P. A. CAIN та N. STEELE SCOTT. "Transgenic Grapevines: Regeneration of Shoots Expressing β-Glucuronidase". Journal of Experimental Botany 41, № 8 (1990): 1045–49. http://dx.doi.org/10.1093/jxb/41.8.1045.

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19

Rätsep, Reelika, Kadri Karp, Mariana Maante-Kuljus, Alar Aluvee, Hedi Kaldmäe, and Rajeev Bhat. "Recovery of Polyphenols from Vineyard Pruning Wastes—Shoots and Cane of Hybrid Grapevine (Vitis sp.) Cultivars." Antioxidants 10, no. 7 (2021): 1059. http://dx.doi.org/10.3390/antiox10071059.

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Grapevine shoots and canes represent a significant amount of biomass, considered as a waste in viticulture. In cooler climates, grapevines are pruned in the autumn (October) and spring (March) due to harsh winter conditions (e.g., snow, low temperatures), and large amounts of biomass are produced at these different pruning times. This work was undertaken in order to investigate the potential of vineyard pruning waste for recovery of polyphenolic compounds for biomass valorization. Qualitative and quantitative analyses of grapevine shoot and cane polyphenols, including flavonoids and stilbenoid

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20

Salvi, Linda, Cecilia Brunetti, Eleonora Cataldo, Paolo Storchi, and Giovan Battista Mattii. "Eco-Physiological Traits and Phenylpropanoid Profiling on Potted Vitis vinifera L. cv Pinot Noir Subjected to Ascophyllum nodosum Treatments under Post-Veraison Low Water Availability." Applied Sciences 10, no. 13 (2020): 4473. http://dx.doi.org/10.3390/app10134473.

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In Mediterranean regions, extreme weather conditions during the growing season may alter grapevine physiology and metabolism, thus modifying the quality of wines. The objective of this study was to investigate the effects of Ascophyllum nodosum treatments on plant physiology and berry metabolism in Vitis vinifera exposed to water stress. The experiment was performed on potted vines subjected to two irrigation regimes (well-watered, WW, and water stressed, WS) both associated with A. nodosum treatments (SWE), compared with control plants (CTRL). Gas exchanges, chlorophyll fluorescence, and wate

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SCHULTZ, H. R., and M. STOLL. "Some critical issues in environmental physiology of grapevines: future challenges and current limitations." Australian Journal of Grape and Wine Research 16 (January 2010): 4–24. http://dx.doi.org/10.1111/j.1755-0238.2009.00074.x.

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Petit, A. N., N. Vaillant, M. Boulay, C. Clément, and F. Fontaine. "Alteration of Photosynthesis in Grapevines Affected by Esca." Phytopathology® 96, no. 10 (2006): 1060–66. http://dx.doi.org/10.1094/phyto-96-1060.

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To further understand the development of esca disease in grapevine, its physiological impact on plants grown in the vineyard was characterized, focusing mainly on photosynthesis. For this purpose, the state of the photosynthetic apparatus was evaluated in symptomatic and asymptomatic leaves in esca-infected grape plants, and wood carbohydrates stored in annual canes were assayed. In symptomatic leaves, esca greatly affected grapevine physiology. Foliar symptoms were associated with both stomatal closure and alteration of the photosynthetic apparatus as revealed by (i) a decrease in CO2 assimil

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Ben salem-Fnayou, A., P. Gugerli, H. Zemni, A. Mliki, and A. Ghorbel. "Decreased Detectability of Grapevine Leafroll-associated virus 3 in Sakasly Grapevines Cultivated Under the Sahara Conditions." Journal of Phytopathology 154, no. 9 (2006): 528–33. http://dx.doi.org/10.1111/j.1439-0434.2006.01142.x.

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Avramov, Z., J. Gillet, and M. Laginova. "First Detection of Stolbur Phytoplasma in Grapevines (Vitis viniferacv. Merlot) Affected with Grapevine Yellows in Bulgaria." Journal of Phytopathology 156, no. 2 (2008): 112–14. http://dx.doi.org/10.1111/j.1439-0434.2007.01339.x.

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Edwards, Everard J., Dale Unwin, Rachel Kilmister, and Michael Treeby. "Multi-seasonal effects of warming and elevated CO₂ on the physiology, growth and production of mature, field grown, Shiraz grapevines." OENO One 51, no. 2 (2017): 127–32. http://dx.doi.org/10.20870/oeno-one.2017.51.2.1586.

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Abstract: Industry concerns in Australia about the impacts of climate change have, to date, focused on the effects of warming, particularly shorter maturation periods. The effects of elevated CO2 concentration (eCO2) on C3 plant physiology have been extensively studied and suggest that eCO2 impacts on viticulture could affect grapevine shoot growth, fruit production and fruit composition. We previously used open top chambers (OTC) with an active heating system to study the effects of elevated air temperature (eTemp) on mature grapevines in the field. This system was augmented with the ability

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JH, Jim閚ez-Mart韓ez, MG Guti閞rez-Mart韓ez, O. Franco-Mora, A. Gonz醠ez-Huerta, and AT Guti閞rez-Ib狁ez. "Micropropagation of wild grapevines (Vitis spp.) of Central Mexico." Phyton 82, no. 1 (2013): 107–12. http://dx.doi.org/10.32604/phyton.2013.82.107.

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Ingel, Brian, Daniel R. Jeske, Qiang Sun, Joseph Grosskopf, and M. Caroline Roper. "Xylella fastidiosa Endoglucanases Mediate the Rate of Pierce’s Disease Development in Vitis vinifera in a Cultivar-Dependent Manner." Molecular Plant-Microbe Interactions® 32, no. 10 (2019): 1402–14. http://dx.doi.org/10.1094/mpmi-04-19-0096-r.

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Xylella fastidiosa is a gram-negative bacterium that causes Pierce’s disease (PD) in grapevine. X. fastidiosa is xylem-limited and interfaces primarily with pit membranes (PMs) that separate xylem vessels from one another and from adjacent xylem parenchyma cells. PMs are composed of both pectic and cellulosic substrates, and dissolution of PMs is facilitated by X. fastidiosa cell wall-degrading enzymes. A polygalacturonase, which hydrolyzes the pectin component of PMs, is required for both movement and pathogenicity in grapevines. Here, we demonstrate that two X. fastidiosa β-1,4-endoglucanase

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Saguez, J., and C. Vincent. "A method for continuous rearing of grapevine leafhoppers, Erythroneura spp. (Hemiptera: Cicadellidae)." Canadian Entomologist 143, no. 1 (2011): 102–4. http://dx.doi.org/10.4039/n10-048.

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AbstractWe report a two-step method to rear three leafhopper species, Erythroneura elegantula Osborn, Erythroneura vitis (Harris), and Erythroneura ziczac Walsh, for experimental purposes on grapevines. The first step involves rearing adults on grapevines for reproduction, oviposition, and egg development. The second step involves rearing nymphs on isolated leaves placed in Petri dishes lined with agar. No mortality was observed and adults emerged in about three weeks. The three Erythroneura species were reared for 10 consecutive generations with minimal resources.

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Askari-Khorasgani, Omid, and Mohammad Pessarakli. "Fruit quality and nutrient composition of grapevines: a review." Journal of Plant Nutrition 42, no. 17 (2019): 2133–50. http://dx.doi.org/10.1080/01904167.2019.1643369.

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Myrtsi, Eleni D., Sofia D. Koulocheri, Vassilios Iliopoulos, and Serkos A. Haroutounian. "High-Throughput Quantification of 32 Bioactive Antioxidant Phenolic Compounds in Grapes, Wines and Vinification Byproducts by LC–MS/MS." Antioxidants 10, no. 8 (2021): 1174. http://dx.doi.org/10.3390/antiox10081174.

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The well-established, health-benefitting effects of grapevines and derivatives (wines and vinification byproducts) are attributed to their antioxidant phenolic content. The dearth of an efficient method for the simultaneous quantitation of antioxidant phenolics prompted us to develop a novel method utilizing triple quadrupole LC–MS/MS for the accurate, fast, simultaneous quantitation of the 32 most abundant grapevine phenolics. The fully validated, novel method is capable to simultaneously record the quantitative presence of 12 phenolic acids, 19 polyphenols and coniferyl aldehyde (a phenolic

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Ben Moussa, I. E., P. Lemoyne, C. Beaulieu, J. Kits, and M. L. Fall. "A first Canadian and three new Québec records of Cicadellidae (Hemiptera) in grapevine (Vitaceae): potentials virus vectors." Canadian Entomologist 152, no. 6 (2020): 797–801. http://dx.doi.org/10.4039/tce.2020.53.

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AbstractA comprehensive biovigilance programme was undertaken in 2018 to monitor potential insect vectors of viruses of grapevines (Vitis vinifera; Vitaceae) in two vineyards in Québec. Two hundred seventy-four insects were collected using yellow sticky traps and sweeping nets. Collected specimens were first classified into orders, with special attention given to the Hemiptera order, which is the main group of virus vectors. Hemipteran pests were identified to species. Among these specimens, one adult of Rossmoneura tecta McAtee (Hemiptera: Cicadellidae) was identified, the first report of thi

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Piva, Rafael, Renato Vasconcelos Botelho, Patrícia Carla Giloni de Lima, and Adamo Domenico Rombolà. "GROWTH AND PHYSIOLOGY OF YOUNG GRAPEVINES (CV. BRS CARMEM) UNDER ORGANIC AND BIODYNAMIC PRODUCTION SYSTEMS." Revista Brasileira de Agropecuária Sustentável 10, no. 1 (2020): 181–92. http://dx.doi.org/10.21206/rbas.v10i1.9562.

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The biodynamic cultivation method consists of seeing the farm as an agricultural organism; its main goal is soil fertility, along with a rich diversity and biological activity. The objective of this work was to evaluate the growth, the physiology and the yield of grapevines cv. BRS Carmem, comparing organic and biodynamic production systems. The experiment was conducted under field conditions in Guarapuava, Paraná State, Southern Brazil planted in September 2013 and evaluated until June 2017. The experimental design was a randomized block with two treatments and six replications. In the plots

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Sampol, B., J. Bota, D. Riera, H. Medrano, and J. Flexas. "Analysis of the virus-induced inhibition of photosynthesis in malmsey grapevines." New Phytologist 160, no. 2 (2003): 403–12. http://dx.doi.org/10.1046/j.1469-8137.2003.00882.x.

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Albuquerque, Caetano, Christine Scoffoni, Craig R. Brodersen, Thomas N. Buckley, Lawren Sack, and Andrew J. McElrone. "Coordinated decline of leaf hydraulic and stomatal conductances under drought is not linked to leaf xylem embolism for different grapevine cultivars." Journal of Experimental Botany 71, no. 22 (2020): 7286–300. http://dx.doi.org/10.1093/jxb/eraa392.

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Abstract Drought decreases water transport capacity of leaves and limits gas exchange, which involves reduced leaf leaf hydraulic conductance (Kleaf) in both the xylem and outside-xylem pathways. Some literature suggests that grapevines are hyper-susceptible to drought-induced xylem embolism. We combined Kleaf and gas exchange measurements, micro-computed tomography of intact leaves, and spatially explicit modeling of the outside-xylem pathways to evaluate the role of vein embolism and Kleaf in the responses of two different grapevine cultivars to drought. Cabernet Sauvignon and Chardonnay exh

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McLean, M., G. S. Howell, and A. J. M. Smucker. "EFFECTS OF CROP LOAD AND LOW-SOIL MOISTURE ON PHYSIOLOGY AND ROOT DYNAMICS IN SEYVAL GRAPEVINES." HortScience 27, no. 6 (1992): 612f—612. http://dx.doi.org/10.21273/hortsci.27.6.612f.

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An experiment was conducted to evaluate interrelationships between differing crop loads and water stress on physiology and root dynamics of 3 year old Seyval grapevines grafted to 5-BB, Seyval and Seyval own-rooted stock grown under a rain exclusion shelter. Treatments were: 1) cropping level, either 0 (defruited) or 6 clusters/vine (heavily cropped) and 2) irrigation level, either 2.5 (stress) or 10 liters (control) of water/plant/week. Vines had significantly different root dynamics in regards to crop load, water status and rootstock. Water stressed vines had significantly fewer and smaller

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Kar, Suraj, Thayne Montague, Antonio Villanueva-Morales, and Edward Hellman. "Measurement of Gas Exchange on Excised Grapevine Leaves Does Not Differ from In Situ Leaves, and Potentially Shortens Sampling Time." Applied Sciences 11, no. 8 (2021): 3644. http://dx.doi.org/10.3390/app11083644.

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Use of leaf gas exchange measurement enhances the characterization of growth, yield, physiology, and abiotic stress response in grapevines. Accuracy of a crop response model depends upon sample size, which is often limited due to the prolonged time needed to complete gas exchange measurement using currently available infra-red gas analyzer systems. In this experiment, we measured mid-day gas exchange of excised and in situ leaves from field grown wine grape (Vitis vinifera) cultivars. Depending upon cultivar, we found measuring gas exchange on excised leaves under a limited time window post ex

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Costa, Rayssa Ribeiro da, Talita de Oliveira Ferreira, and Maria Auxiliadora Coêlho de Lima. "Training systems, rootstocks and climatic conditions influence quality and antioxidant activity of ‘BRS Cora’ grape." Acta Scientiarum. Agronomy 43 (November 5, 2020): e49054. http://dx.doi.org/10.4025/actasciagron.v43i1.49054.

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Environmental and production factors might affect grapevine physiology. Estimating these effects is essential for planning the harvest and predicting the quality of grapes. The aim of this study was to characterize the quality and antioxidant potential of ‘BRS Cora’ grapes with different training systems and rootstocks in production cycles of the second half of the year under tropical conditions. The experimental design was randomized blocks with sub-subdivided plots over time. Three training systems and two rootstocks were studied in production cycles referring to the second halves of 2017 an

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STOREY, R., D. P. SCHACHTMAN, and M. R. THOMAS. "Root structure and cellular chloride, sodium and potassium distribution in salinized grapevines." Plant, Cell & Environment 26, no. 6 (2003): 789–800. http://dx.doi.org/10.1046/j.1365-3040.2003.01005.x.

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Balint, Gabriel, and Andrew G. Reynolds. "Irrigation Strategies Impact Baco noir Grapevines in Ontario. I. Vine Physiology, Vine Size, and Yield Components." American Journal of Enology and Viticulture 68, no. 3 (2017): 293–309. http://dx.doi.org/10.5344/ajev.2017.16093.

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Frioni, Tommaso, Sergio Tombesi, Paolo Sabbatini, et al. "Kaolin Reduces ABA Biosynthesis through the Inhibition of Neoxanthin Synthesis in Grapevines under Water Deficit." International Journal of Molecular Sciences 21, no. 14 (2020): 4950. http://dx.doi.org/10.3390/ijms21144950.

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In many viticulture regions, multiple summer stresses are occurring with increased frequency and severity because of warming trends. Kaolin-based particle film technology is a technique that can mitigate the negative effects of intense and/or prolonged drought on grapevine physiology. Although a primary mechanism of action of kaolin is the increase of radiation reflection, some indirect effects are the protection of canopy functionality and faster stress recovery by abscisic acid (ABA) regulation. The physiological mechanism underlying the kaolin regulation of canopy functionality under water

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Edwards, Everard J., Dale Unwin, Rachel Kilmister, and Michael Treeby. "Multi-seasonal effects of warming and elevated CO₂ on the physiology, growth and production of mature, field grown, Shiraz grapevines." OENO One 51, no. 2 (2017): 127. http://dx.doi.org/10.20870/oeno-one.2016.0.0.1586.

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<p style="text-align: justify;"><strong>Abstract:</strong> Industry concerns in Australia about the impacts of climate change have, to date, focused on the effects of warming, particularly shorter maturation periods. The effects of elevated CO<sub>2</sub> concentration (eCO<sub>2</sub>) on C<sub>3</sub> plant physiology have been extensively studied and suggest that eCO<sub>2 </sub>impacts on viticulture could affect grapevine shoot growth, fruit production and fruit composition. We previously used open top chambers (OTC) with a

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Volschenk, C. G., J. J. Hunter, and J. E. Watts. "The effect of different zinc levels on the growth of grapevines." Journal of Plant Nutrition 19, no. 6 (1996): 827–37. http://dx.doi.org/10.1080/01904169609365165.

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Patakas, Angelos, and Basile Noitsakis. "Leaf age effects on solute accumulation in water-stressed grapevines." Journal of Plant Physiology 158, no. 1 (2001): 63–69. http://dx.doi.org/10.1078/0176-1617-00003.

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Barceló, A. Ros, J. M. Zapata, and A. A. Calderón. "A Basic Peroxidase Isoenzyme, Marker of Resistance Against Plasmopara viticola in Grapevines, is Induced by an Elicitor from Trichoderma viride in Susceptible Grapevines." Journal of Phytopathology 144, no. 6 (1996): 309–13. http://dx.doi.org/10.1111/j.1439-0434.1996.tb01534.x.

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Moutinho-Pereira, J. M., C. M. Correia, B. M. Goncalves, E. A. Bacelar, and J. M. Torres-Pereira. "Leaf Gas Exchange and Water Relations of Grapevines Grown in Three Different Conditions." Photosynthetica 42, no. 1 (2004): 81–86. http://dx.doi.org/10.1023/b:phot.0000040573.09614.1d.

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Provost, Caroline, Alexander Campbell, and François Dumont. "Rootstocks Impact Yield, Fruit Composition, Nutrient Deficiencies, and Winter Survival of Hybrid Cultivars in Eastern Canada." Horticulturae 7, no. 8 (2021): 237. http://dx.doi.org/10.3390/horticulturae7080237.

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Grafting cold-hardy hybrid grapevines may influence their attributes under different pedoclimatic conditions and may also contribute to cold-hardiness, influence plant physiology, and affect yield and fruit composition. In a six-year study, we evaluated bud survival, plant development, nutrient deficiencies, yield, and fruit composition for three cold-hardy grape varieties: Frontenac, Frontenac blanc, and Marquette. The grape varieties were grafted on four rootstocks: 3309C, SO4, Riparia Gloire, and 101-14. The final combinations were own-rooted. The six-year research period indicated that col

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Yuste, J., J. L. Asenjo, M. V. Alburquerque, and J. A. Rubio. "RELATIONSHIPS AMONG PHYSIOLOGY, GROWTH AND PRODUCTION AS AFFECTED BY WATER REGIME AND VINE SPACING OF ´TEMPRANILLO´ GRAPEVINES." Acta Horticulturae, no. 689 (August 2005): 343–48. http://dx.doi.org/10.17660/actahortic.2005.689.40.

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Munitz, S., A. Schwartz, and Y. Netzer. "Effect of timing of irrigation initiation on vegetative growth, physiology and yield parameters in Cabernet Sauvignon grapevines." Australian Journal of Grape and Wine Research 26, no. 3 (2020): 220–32. http://dx.doi.org/10.1111/ajgw.12435.

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Hernández‐Montes, Esther, José Mariano Escalona, Magdalena Tomàs, and Hipólito Medrano. "Plant water status and genotype affect fruit respiration in grapevines." Physiologia Plantarum 169, no. 4 (2020): 544–54. http://dx.doi.org/10.1111/ppl.13093.

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Guilhabert, Magalie R., and Bruce C. Kirkpatrick. "Identification of Xylella fastidiosa Antivirulence Genes: Hemagglutinin Adhesins Contribute to X. fastidiosa Biofilm Maturation and Colonization and Attenuate Virulence." Molecular Plant-Microbe Interactions® 18, no. 8 (2005): 856–68. http://dx.doi.org/10.1094/mpmi-18-0856.

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Xylella fastidosa, a gram-negative, xylem-limited bacterium, is the causal agent of several economically important plant diseases, including Pierce's disease (PD) and citrus variegated chlorosis (CVC). Until recently, the inability to transform or produce transposon mutants of X. fastidosa had been a major impediment to identifying X. fastidosa genes that mediate pathogen and plant interactions. A random transposon (Tn5) library of X. fastidosa was constructed and screened for mutants showing more severe symptoms and earlier grapevine death (hypervirulence) than did vines infected with the wil

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