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Artykuły w czasopismach na temat „Grape vine”

Autor: Grafiati

Data publikacji: 4 czerwca 2021

Data aktualizacji: 1 lutego 2022

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1

McEachern, George Ray. "Four Grape Canopy Systems in Texas." HortScience 33, no. 4 (July 1998): 600e—600. http://dx.doi.org/10.21273/hortsci.33.4.600e.

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I. Chennin Blanc 107-cm bilateral cordon spaced 3.6 × 2.4 m, 1119 vines/ha, 14 spurs with 32 buds/vine. Yields were 8.8 t·ha-1 in the third leaf; 9.7 in the fourth, and 12.8 the 5th year, 1990, at the Jane Terrell Vineyard, Navasota, Tex. II. Cabernet Sauvignon with a two-trunk 122 cm bilateral cordon spaced 3.3 × 1.2 m, 2445 vines/ha with 48 buds/vine. Yields were 9.7 t·ha-1 for 1994 through 1997 at the mechanically harvested Newson Vineyard, Plains, Tex. III. Le Noir with a 91-cm trunk and a two-cane canopy; spaced 3 × 2.1 m, 1536 vines/ha, with 14 buds/vine. Yields were 13.3 t·ha-1 in 1996

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Van Leeuwen, Cornélis, Jean-Philippe Roby, and Laure De Rességuier. "Soil-related terroir factors: a review." OENO One 52, no. 2 (June 30, 2018): 173–88. http://dx.doi.org/10.20870/oeno-one.2018.52.2.2208.

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A “terroir” is a cultivated ecosystem in which the vine interacts with the soil and the climate. The soil influences vine development and grape ripening through soil temperature, water supply and mineral supply. Soil temperature has a significant effect on vine phenology. Limited water supply to the vines restricts shoot and berry growth, which is critical for reaching a suitable grape composition to produce high-quality red wines. Secondary metabolites, like polyphenols (anthocyanins, tannins) and aroma compounds or their precursors, are impacted in particular by vine water status. Among nutr

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3

Wassel, Abdel Hameed M. "Effect of Dormex on `Roomy Red' Grape Vines (Vitis vinifera L.)." HortScience 32, no. 3 (June 1997): 516G—517. http://dx.doi.org/10.21273/hortsci.32.3.516g.

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The present investigation was carried out during 1994 and 1995 seasons on `Roomy Red' grape vines cultivated in Minia and Beni Suef governates to study the effect of Dormex and/or overcropping on `Roomy Red' grape vines. Bud opening, number of clusters per vine, as well as the yield and its physical and chemical properties, were studied. Results indicated that Dormex overcame the irregularity of bud opening. At the same time, bud opening preceded the control by about 4 weeks. The percentage of bud opening, fruit set, as well as the number of clusters per vine, were increased. On the other hand

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4

Wolfe, Dwight, and Gerald R. Brown. "TRAINING SYSTEM AFFECTS PERFORMANCE OF TABLE GRAPE CULTIVARS." HortScience 27, no. 11 (November 1992): 1178d—1178. http://dx.doi.org/10.21273/hortsci.27.11.1178d.

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Each of the grape cultivars [Vitis species, (L) Batch], `Concord', `Himrod', `Challenger', `Reliance', `Glenora', `Moored', planted June 1983, and `Mars' planted Spring, 1987, was trained to the 4-cane Kniffin (KN) and the Geneva Double Curtain (GDC) systems. Yield per vine, pruning weight, number of nodes, cluster weight, number of berries per cluster, berry weight, and percent soluble solids were recorded. Vines from `Reliance' trained to the KN system produced fruit with significantly higher percent soluble solids than did vines trained to the GDC. No significant differences in percent solu

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5

Leeuwen Cornelis, van, de Rességuier Laure, Mary Séverine, Laveau Coralie, Mousset-Libeau Etienne, Marguerit Elisa, Roby Jean-Philippe, and Quiquerez Amélie. "Soil type and soil preparation influence vine development and grape composition through its impact on vine water and nitrogen status." E3S Web of Conferences 50 (2018): 01015. http://dx.doi.org/10.1051/e3sconf/20185001015.

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The influence of soil type and preparation on vine development and grape composition was investigated in a 50 ha estate located in Saint-Emilion (Bordeaux, France) and planted predominantly with Merlot. Part of the vineyard was planted down the slopes and another part of the vineyard was planted on terraces, where soils were profoundly modified through soil preparation. Grape composition (berry weight, sugar, total acidity, malic acid and pH), vigor (pruning weight), vine nitrogen status (Yeast Available Nitrogen (YAN) in grapes) and vine water status (δ13C) was measured at a very high density

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6

Ellis, Rory, Elena Moltchanova, Daniel Gerhard, Mike Trought, and LinLin Yang. "Using Bayesian growth models to predict grape yield." OENO One 54, no. 3 (July 9, 2020): 443–53. http://dx.doi.org/10.20870/oeno-one.2020.54.3.2972.

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Background and aims: Seasonal differences in vine yield need to be managed to ensure appropriate fruit composition at harvest. Differences in yield are the result of changes in vine management (e.g., the number of nodes retained after harvest) and weather conditions (in particular, temperature) at key vine development stages. Early yield prediction enables growers to manage vines to achieve target yields and prepare the required infrastructure for the harvest.Methods and results: Bunch mass data was collected during the 2016/17, 2017/18 and 2018/19 seasons from a commercial vineyard on the Wai

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7

Beslic, Zoran, Slavica Todic, and Sasa Matijasevic. "Prediction of yield by digital image analysis of vine." Journal of Agricultural Sciences, Belgrade 59, no. 2 (2014): 201–6. http://dx.doi.org/10.2298/jas1402201b.

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The grape yield per vine of cv. Cabernet Sauvignon (Vitis vinifera L.) was evaluated on the basis of digital image processing of vine part. Digital camera was mounted on tripod and used for taking photos of 1 x 1 m portions of canopy. The Adobe Photoshop software was used to analyse image for the colour counting of the blue pixels of grape in the quadrant region. The actual yield was obtained from the photographed vines by hand harvesting of sampled portions. Linear regression was used for calculation of the correlation between blue pixels and grape weight. The relatively strong relationship b

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8

Senthilkumar, S., R. Vijayakumar, K. Soorianathasundaram, and D. Durga Devi. "Effect of Pruning Severity on V egetative, Physiological, Yield and Quality Attributes in Grape (Vitis vinifera L.): A Review." Current Agriculture Research Journal 3, no. 1 (May 5, 2015): 42–54. http://dx.doi.org/10.12944/carj.3.1.06.

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Grape is one among the most delicious, refreshing and nourishing fruits of the world. It is one of the earliest fruits grown by man. The berries are a good source of sugars and minerals like Ca, Mg, Fe, and vitamins like B1, B2, and C. Grape has so many uses and is so unique that no fruit can challenge their superiority. Crop load is the most important factor affecting yield and cluster quality as well as vine vigor of both seeded and seedless varieties. Hence, an optimum canopy size and bunch number per vine are to be maintained for achieving better fruit Quality which warrants proper balanci

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9

Jordan, Lindsay M., Thomas Björkman, and Justine E. Vanden Heuvel. "Annual Under-vine Cover Crops Did Not Impact Vine Growth or Fruit Composition of Mature Cool-climate ‘Riesling’ Grapevines." HortTechnology 26, no. 1 (February 2016): 36–45. http://dx.doi.org/10.21273/horttech.26.1.36.

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In the cool and humid climate of the northeastern United States, vegetation is typically maintained between the rows of wine grape (Vitis vinifera) vineyards, but the area directly beneath vines is conventionally kept bare using herbicides or cultivation, to reduce competition for water and nutrients. Yet with rising concerns of herbicide resistance, environmental contamination, and soil erosion, alternatives to maintaining bare ground in vineyards should be considered. In warmer and more arid climates, using cover crops as an alternative to bare soil has sometimes resulted in reduced vine gro

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10

Martelloni, Luisa, Michele Raffaelli, Christian Frasconi, Marco Fontanelli, Andrea Peruzzi, and Claudio D’Onofrio. "Using Flaming as an Alternative Method to Vine Suckering." Agronomy 9, no. 3 (March 21, 2019): 147. http://dx.doi.org/10.3390/agronomy9030147.

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Suckering is the process of removing the suckers that grapevine trunks put out in the spring. Suckering by hand is costly and time consuming and requires constant bending down, getting up and making repetitive motions. The mechanical removal of suckers with rotating scourges can damage the vine plants. Chemical suckering is a limiting factor for wine grape growers interested in sustainable and/or organic agriculture. The aim of this research was to test flaming as an alternative method to vine suckering. A three-year experiment was conducted on a 10-year-old Sangiovese vine (775 Paulsen rootst

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11

Gadoury, David M., Robert C. Seem, Roger C. Pearson, Wayne F. Wilcox, and Richard M. Dunst. "Effects of Powdery Mildew on Vine Growth, Yield, and Quality of Concord Grapes." Plant Disease 85, no. 2 (February 2001): 137–40. http://dx.doi.org/10.1094/pdis.2001.85.2.137.

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Vitis labruscana ‘Concord’ is a widely planted grape cultivar grown in the United States for processing into juice and other products. Concord fruit are sporadically but sometimes severely damaged by the grape powdery mildew pathogen, Uncinula necator. The effects of powdery mildew on vine growth, yield, and quality of Concord grapes at three levels of cropping intensity commonly found in commercial grape production were determined in vineyard studies. Top-wire cordon-trained Concord vines were balance pruned, pruned to retain 80 nodes, or minimally pruned. Replicated plots of the foregoing we

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12

Nadai, Chiara, Chiara Vendramini, Milena Carlot, Christian Andrighetto, Alessio Giacomini, and Viviana Corich. "Dynamics of Saccharomyces cerevisiae Strains Isolated from Vine Bark in Vineyard: Influence of Plant Age and Strain Presence during Grape must Spontaneous Fermentations." Fermentation 5, no. 3 (July 9, 2019): 62. http://dx.doi.org/10.3390/fermentation5030062.

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In this study, two vineyards of different age were chosen. During three years, a sampling campaign was performed for isolating vineyard-associated Saccharomyces cerevisiae (S. cerevisiae) strains. Bark portions and, when present, grape bunches were regularly collected from the same vine plants during the overall sampling period. Each bark portion was added to a synthetic must, while each grape bunch was manually crushed, and fermentations were run to isolate S. cerevisiae strains. All collected yeasts were identified at different species and strain levels to evaluate the genetic variability of

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13

Abad, Javier, Marín Diana, Santesteban L. Gonzaga, Cibriáin José Félix, and Sagüés Ana. "Under-vine cover crops: impact on weed development, yield and grape composition." OENO One 54, no. 4 (November 4, 2020): 975–83. http://dx.doi.org/10.20870/oeno-one.2020.54.4.4149.

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This study aims to evaluate the interest of using an under-vine cover crop as a sustainable management tool replacing herbicides or tillage to control weeds, evaluating its effects on yield and berry parameters in a semi-arid climate. The performance of Trifolium fragiferum as an under-vine cover crop was evaluated in 2018 and 2019 in a Merlot vineyard in Traibuenas (Navarra, Spain). This trial showed that the soil under the vines was covered by 80 % of the cover crop in August 2018 and 100 % in Aug 2019, with clover (T. fragiferum) comprising around 26 % and 70 % of the cover crop surface, re

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14

Somkuwar, R. G., M. A. Bhange, A. K. Upadhyay, and S. D. Ramteke. "Interaction effect of rootstocks on gas exchange parameters, biochemical changes and nutrientstatus in Sauvignon Blanc winegrapes." JOURNAL OF ADVANCES IN AGRICULTURE 3, no. 3 (December 26, 2014): 218–25. http://dx.doi.org/10.24297/jaa.v3i3.6566.

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SauvignonBlanc wine grape was characterized for their various morphological, physiological and biochemical parameters grafted on different rootstocks. Significant differences were recorded for all the parameters studied. The studies on vegetative parameters revealed that the rootstock influences the vegetative growth thereby increasing the photosynthetic activities of a vine. The highest photosynthesis rate was recorded in 140-Ru grafted vine followed by Fercal whereas the lowest in Salt Creek rootstock grafted vines.The rootstock influenced the changes in biochemical constituents in the graft

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15

Konup, A., V. Chistyakova, L. Konup, and N. Nikolaeva. "Detection and identification of the virus Grapevine Leaf Roll-Associated Virus of the vine in the vineyards of the Odessa region." Karantin i zahist roslin, no. 3-4 (March 20, 2019): 13–16. http://dx.doi.org/10.36495/2312-0614.2019.3-4.13-16.

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Goal. Detection of viral disease of the vine — twisting leaves in the vineyards in the Odessa region, as well as identification of the causative agents of this disease. Methods. Examination of grape plantations for the presence of symptoms of viral diseases. To identify the virus twisting the leaves of the vine and identify its serotypes used molecular-biological method of polymerase chain reaction with reverse transcription (RT-PCR) and detection using gel electrophoresis. Results. In the Odessa region, bushes of grape plants were found with characteristic symptoms of leaf curling

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16

SMRKE, Tina, and Vesna ZUPANC. "Deficitni princip namakanja vinske trte (Vitis vinifera L.) – pregled dosedanjih izkušenj in izhodišča za Slovenijo." Acta agriculturae Slovenica 111, no. 3 (December 12, 2018): 699. http://dx.doi.org/10.14720/aas.2018.111.3.18.

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Deficit irrigation is one of the most researched irrigation water management techniques for vines with many potential benefits for successful grape production. For optimal growth and grape quantity of individual variety, suitable water quantity over growing season should be provided. Due to more frequent droughts vine irrigation will be needed also in Slovenia. The principle of deficit irrigation is affecting vine growth and quality and quantity of the yield by adding smaller amount of water than optimal. Decreased vine growth (reduced growth of shoots, 15.5 % for 'Monastrell, reduced leaf are

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17

Reynolds, Andrew G., and Douglas A. Wardle. "Rootstocks Impact Vine Performance and Fruit Composition of Grapes in British Columbia." HortTechnology 11, no. 3 (January 2001): 419–27. http://dx.doi.org/10.21273/horttech.11.3.419.

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Nine wine grape cultivars [`Chardonnay', `Gewurztraminer', `Ortega', `Riesling', `De Chaunac', `Marechal Foch', `Okanagan Riesling', `Seyval blanc', and Verdelet'], own rooted or grafted to four rootstocks [`Couderc 3309' (Vitis riparia × V. rupestris); `Kober 5BB' (5BB), `Teleki 5C', and `Selektion Oppenheim 4' (SO4) (V. riparia × V. berlandieri)] were planted into a randomized complete block experiment in 1985. Data were collected on yield components, weight of cane prunings (vine size), and fruit composition between 1989 and 1996. Yield per vine, clusters per vine, cluster weight, and berry

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18

Palliotti, Alberto, Stefano Poni, Oriana Silvestroni, Sergio Tombesi, and Fabio Bernizzoni. "Morpho-structural and physiological performance of Sangiovese and Montepulciano cvv. (Vitis vinifera) under non-limiting water supply conditions." Functional Plant Biology 38, no. 11 (2011): 888. http://dx.doi.org/10.1071/fp11093.

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Morpho-structural and physiological traits of Sangiovese and Montepulciano varieties (Vitis vinifera L. – two red grapes widely cultivated in Italy), grown outside under non-limiting water supply conditions were evaluated in 2007 and 2008 and results were correlated with yield components and grape composition. The 2-year analysis showed intraspecific differences in canopy characteristics, leaf and shoot properties, photosynthetic ability, water use efficiency, vine yield and grape composition. Compared with Sangiovese, Montepulciano was able to assure a higher whole-canopy seasonal net CO2 exc

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Thomas, Andrew L., Jackie L. Harris, Elijah A. Bergmeier, and R. Keith Striegler. "Establishment Technique and Rootstock Impact ‘Chambourcin’ Grapevine Morphology and Production in Missouri." HortTechnology 27, no. 2 (April 2017): 248–56. http://dx.doi.org/10.21273/horttech03610-16.

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An evaluation of establishment techniques and rootstocks for ‘Chambourcin’ hybrid grape (Vitis sp.) was conducted 2009–12. Our objective was to evaluate four establishment methods and their interactions with grafted and ungrafted vines in terms of vine morphology and early fruit production under southwest Missouri conditions. The study was established in May 2009, as a factorial experiment comparing four establishment methods (open-trained without protection—two shoots, grow tube protected—two shoots, paperboard carton protected—two shoots, and fan-trained without protection—six shoots) across

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Phillips, Jason. "The Grape Vine Telegraph: Rumors and Confederate Persistence." Journal of Southern History 72, no. 4 (November 1, 2006): 753. http://dx.doi.org/10.2307/27649232.

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Choné, Xavier, Olivier Trégoat, Cornelis Van Leeuwen, and Denis Dubourdieu. "Vine water deficit : among the 3 applications of pressure chamber, stem water potential is the most sensitive indicator." OENO One 34, no. 4 (December 31, 2000): 169. http://dx.doi.org/10.20870/oeno-one.2000.34.4.996.

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<p style="text-align: justify;">Vine water status is an important factor in grape quality. High tannin and anthocyanin content in red grape berries are related to moderate vine water deficits. Hence, a simple and sensitive indicator is required to determine vine water status and especially water constraint. Pressure chamber allows a quick and easy to practice determination of water status in the vineyard. Three applications of pressure chamber are known: predawn leaf water potential (ΨB), leaf water potential (ΨF) and stem water potential (ΨT). Only ΨB and ΨF are widely used on vines. In

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22

Mundy, D. C., P. A. Alspach, and J. Dufay. "Grass grub damage and mycorrhizal colonisation of grapevine rootstocks." New Zealand Plant Protection 58 (August 1, 2005): 234–38. http://dx.doi.org/10.30843/nzpp.2005.58.4279.

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Field observations and a grower survey during 2002/2003 indicated that grass grub larvae might be responsible for the death of young grape vines In November 2003 a pot trial was established to determine whether grass grab larvae feeding caused sufficient root damage to account for observed vine deaths The experiments also evaluated whether arbuscular mycorrhizal fungi (AMF) colonisation of grape vine roots was affected by grass grub feeding Grass grub damage was found on the belowground portion of the trunk and was proportional to the numbers of grubs present However root and shoot weight and

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23

Goffinet, Martin C., Mary Jean Welser, Alan N. Lakso, and Robert M. Pool. "191 Structure and Development of Cultivated Grapevines in the Northeastern United States." HortScience 34, no. 3 (June 1999): 475B—475. http://dx.doi.org/10.21273/hortsci.34.3.475b.

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Northeastern U.S. grape growers have become more knowledgeable about many aspects of grape production, including pruning and training, canopy management, nutritional recommendations, pest and disease management strategies, vineyard floor management, etc. Important to all these aspects is a firm understanding of vine structure and development. Yet, there is no current publication on vine growth and development that growers and researchers can consult to gain an understanding of the organs, tissues, and developmental processes that contribute to growth and production of quality vines in the nort

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24

CORRÊA, SABRINA CRISTINA, CLEITON LUIZ WILLE, HADSON HOFFER, MARI INÊS CARISSIMI BOFF, and CLÁUDIO ROBERTO FRANCO. "OVIPOSITION PREFERENCE AND BIOLOGY OF FRUIT FLIES (DIPTERA: TEPHRITIDAE) ON GRAPE VINE GENOTYPES." Revista Caatinga 31, no. 4 (December 2018): 850–59. http://dx.doi.org/10.1590/1983-21252018v31n407rc.

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ABSTRACT Grape orchards are highly affected by oviposition of fruit flies on grape berries, which compromises the productivity and quality of the grapes. The goal of this study was to evaluate the susceptibility of American, European, and hybrid grape genotypes to Anastrepha fraterculus and Ceratitis capitata (Diptera: Tephritidae) under laboratory conditions (25 ± 2ºC, 60 ± 10% RH, and 14-hour photophase). The assays were conducted by evaluating oviposition preference through choice and no-choice (antibiosis) tests. The choice test was set up using circular arenas (diameter: 300 mm) with 10 g

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Karoglan, M., M. Osrečak, L. Maslov, and B. Kozina. "Effect of cluster and berry thinning on Merlot and Cabernet Sauvignon wines composition." Czech Journal of Food Sciences 32, No. 5 (October 1, 2014): 470–76. http://dx.doi.org/10.17221/598/2013-cjfs.

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The manipulation of grape yield is widely practised to improve grape and wine quality. Merlot and Cabernet Sauvignon vines in the Zagreb vineyard hills, north-western Croatia, were subjected to three crop removal treatments [cluster thinning (CT), berry thinning (BT), CT+BT, and untreated control] in a randomised block design experiment. CT and CT+BT treatments reduced the grape yield but increased the mean cluster weight compared to control vines. BT alone had a little effect on the yield components. Control grapes generally had the lowest soluble solids (&deg;Oe) and highest titratable a

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Cangi, Rüstem, Halil Erdem, İsmet Acar, Neval Altıncı, and Duran Kılıç. "Farklı Azotlu Gübre Form ve Dozlarının Narince (V. Vinifera) Üzüm Çeşidinde Salamuralık Taze Asma Yaprak Verimine Etkisi." Turkish Journal of Agriculture - Food Science and Technology 5, no. 8 (August 27, 2017): 957. http://dx.doi.org/10.24925/turjaf.v5i8.957-963.1259.

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The main object of this study was to determine the effects of increasing levels of ammonium nitrate, ammonium sulphate and urea on resh the vine leaves yield in Narince grape cultivar (Vitis Vinifera L). Vines trained with bilateral cordon system was pruned to yield 5000 buds/da (24 buds/vine) above one or two buds in 2012 vegetation period. Three levels of nitrogen (0-control, 5, 10, 15 kg N /da) were applied to vines, in a split parcels with four replications. Young vine brined leaves were collected five times during growing season, and fresh brined leaves yield ( kg/da) were determined. Fer

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Herbert, K. S., P. A. Umina, P. J. Mitrovski, K. S. Powell, K. Viduka, and A. A. Hoffmann. "Clone lineages of grape phylloxera differ in their performance on Vitis vinifera." Bulletin of Entomological Research 100, no. 6 (May 19, 2010): 671–78. http://dx.doi.org/10.1017/s0007485310000027.

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AbstractGrape phylloxera, Daktulosphaira vitifoliae Fitch, is an important pest of grapevines (Vitis vinifera L.) (Vitaceae). The distribution and frequency of phylloxera clone lineages vary within infested regions of Australia, suggesting the introduction of separate lineages of D. vitifoliae with host associations. Virulence levels of particular phylloxera clones may vary on V. vinifera, but much of this evidence is indirect. In this study, we directly tested the performance of phylloxera clones on V. vinifera using an established excised root assay and a new glasshouse vine assessment. In t

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Pradubsuk, Suphasuk, and Joan R. Davenport. "Seasonal Uptake and Partitioning of Macronutrients in Mature ‘Concord’ Grape." Journal of the American Society for Horticultural Science 135, no. 5 (September 2010): 474–83. http://dx.doi.org/10.21273/jashs.135.5.474.

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Understanding how grape (Vitis L.) vines store nutrients in permanent tissues, how much nutrient vines take up from the soil, and how nutrients are partitioned and redistributed throughout the plant is critical to the development of sound nutrient management practices. This study investigated the seasonal patterns of macronutrient uptake and redistribution in whole ‘Concord’ grape (Vitis labruscana Bailey) vines. The study was conducted in a 42-year-old own-rooted ‘Concord’ vineyard. The site was a furrow-irrigated fine sandy loam. In 2006 and 2007, four vines were excavated at winter pruning,

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Choné, Xavier, Valérie Lavigne-Cruège, Takatoshi Tominaga, Cornelis Van Leeuwen, Caroline Castagnède, Cédric Saucier, and Denis Dubourdieu. "Effect of vine nitrogen status on grape aromatic potential: flavor precursors (S-cysteine conjugates), glutathione and phenolic content in Vitis vinifera L. Cv Sauvignon blanc grape juice." OENO One 40, no. 1 (March 31, 2006): 1. http://dx.doi.org/10.20870/oeno-one.2006.40.1.880.

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<p style="text-align: justify;">Vine nitrogen status influence on S-cysteine conjugate precursors of volatile thiols, glutathione and phenolic content of the berries of Vitis vinifera L. cv. Sauvignon blanc have been assessed. Despite an increase in berry weight, the increase in nitrogen supply in the vine leads to higher cysteine precursor levels in grape juice. We also show that a late addition of nitrogen at berry set leads to a lower level of phenolic compounds in white grapes and to higher glutathione levels. Therefore, in white varieties, and particularly Sauvignon blanc, improving

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Avizcuri-Inac, José-Miguel, Marivel González-Hernández, Daniel Rosáenz-Oroz, Rodrigo Martínez-Ruiz, and Luis Vaquero-Fernández. "Chemical and sensory characterisation of sweet wines obtained by different techniques." Ciência e Técnica Vitivinícola 33, no. 1 (2018): 15–30. http://dx.doi.org/10.1051/ctv/20183301015.

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Little is known about the chemical and sensory characteristics of natural sweet wines obtained by different grape dehydration processes. The main aim of this work is to characterise several natural sweet wines, in order to understand the influence of grape dehydration on the chemical and sensory profile of those wines. First, conventional oenological parameters and low molecular weight phenolic compounds have been determined. Next, sensory descriptive analysis was performed on individual samples based on citation frequencies for aroma attributes and conventional intensity scores for taste and

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Van Leeuwen, Cornelius, Olivier Trégoat, Xavier Choné, Benjamin Bois, David Pernet, and Jean-Pierre Gaudillère. "Vine water status is a key factor in grape ripening and vintage quality for red Bordeaux wine. How can it be assessed for vineyard management purposes?" OENO One 43, no. 3 (September 30, 2009): 121. http://dx.doi.org/10.20870/oeno-one.2009.43.3.798.

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<p style="text-align: justify;"><strong>Aims</strong>: The impact of water deficit stress on vine shoot growth, berry weight, grape composition and overall vintage quality was investigated in Bordeaux vineyards. Methods for assessing water deficit stress were compared.</p><p style="text-align: justify;"><strong>Methods and results</strong>: Vine water status was assessed on three soil types during four vintages by means of stem water potential and carbon isotope discrimination measured on grape sugar. Regional water deficit was compared for a range of

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Parr, Baden, Mathew Legg, Stuart Bradley, and Fakhrul Alam. "Occluded Grape Cluster Detection and Vine Canopy Visualisation Using an Ultrasonic Phased Array." Sensors 21, no. 6 (March 20, 2021): 2182. http://dx.doi.org/10.3390/s21062182.

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Grape yield estimation has traditionally been performed using manual techniques. However, these tend to be labour intensive and can be inaccurate. Computer vision techniques have therefore been developed for automated grape yield estimation. However, errors occur when grapes are occluded by leaves, other bunches, etc. Synthetic aperture radar has been investigated to allow imaging through leaves to detect occluded grapes. However, such equipment can be expensive. This paper investigates the potential for using ultrasound to image through leaves and identify occluded grapes. A highly directiona

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Tarara, J. M., and J. C. Ferguson. "583 Scaling-up Heat-balance Sap Flow Sensors for the High Flow Rates of Mature Grape Vines." HortScience 35, no. 3 (June 2000): 497A—497. http://dx.doi.org/10.21273/hortsci.35.3.497a.

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Management strategies like “deficit irrigation” in wine grapes require accurate, reliable information on vine water use, making direct measurements of vine transpiration highly desirable. The heat-balance sap flow method has the advantages of being non-invasive and requiring no other calibration beyond a zero-flow set. Potential violations of the method's assumptions were dealt with and the heat balance method successfully applied to mature grape vines under conditions of extremely high sap flow. Greenhouse studies suggested that vines transpire at night, up to 9.5% of the total 24-h water los

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M. Saadullah, Asia A., and Samir K. A. Bdullah. "Fungal contamination of dried vine fruits and ochratoxin a detection in grape juice from Duhok, Iraq." Innovaciencia Facultad de Ciencias Exactas Físicas y Naturales 6, no. 2 (December 28, 2018): 1–8. http://dx.doi.org/10.15649/2346075x.472.

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Introduction: Dried vine fruits (raisins) and their juice are widely consumed by human as a diet. Raisins have been shown highly contaminated with ochratoxin A (OTA) and OTA-producing fungi. Ochratoxin A is a potent nephrotoxic and carcinogen to human and animals. Materials and Methods: Dried vine fruit samples was obtained from local shops for fruit juice and soft drinks in Duhok province. Two different media, Dichloran R ose Ben gal Chloromphenicol Agar (DRBC) and Dichloran 18 % Glycerol Agar (DG-18) was used for the counting and isolation of fungi from dried vine fruits. Grape juice were pr

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Tarricone, L., G. Masi, S. Roccotelli, A. R. Caputo, and P. Crupi. "Vine performance of ‘Italia' table grape in relation to organic soil amendment." BIO Web of Conferences 15 (2019): 01034. http://dx.doi.org/10.1051/bioconf/20191501034.

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The following research took place during the 2018 − ‘19 season in ‘Italia' table grape vineyard in Apulia. Four treatments were compared: no fertilized (T), organic amendment fertilized (B) at rate of 5.0 ton/hectare, equivalent at the rate of 100 Kg N ha−1, 75 Kg P2O5 ha−1 and 75 Kg K202 ha−1; mineral fertilized (M) at the same rate of N, P2O5 and K2O of organic fertilized vines and finally a cover crops treatment with a mixture of vetch, pea and lentil (S). Leaf gas exchange during summer season shown significant differences in term of net CO2 assimilation, stomatal conductance, transpiratio

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Copper, Alexander Willem, Cassandra Collins, Susan Bastian, Trent Johnson, Stefanos Koundouras, Christodoulos Karaolis, and Savvas Savvides. "Vine performance benchmarking of indigenous Cypriot grape varieties Xynisteri and Maratheftiko." OENO One 54, no. 4 (November 4, 2020): 935–54. http://dx.doi.org/10.20870/oeno-one.2020.54.4.3863.

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Aim: The aims of this study were to (1) formulate a baseline understanding of the performance of the indigenous Cypriot white grape Xynisteri and the red grape Maratheftiko (Vitis vinifera L.), and (2) compare these varieties to Shiraz and Sauvignon blanc grown in a Cypriot vineyard.Materials and results: The investigation involved multiple dry grown vineyards from the Krasochoria region of Lemesos, Cyprus, during the 2017, 2018 and 2019 vintages. Vine performance measurements, including midday stem water potential, stomatal conductance, chlorophyll content, stomata density, vine phenology and

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Bessis, R. "Grape vine physiology: the contribution of culture in vitro." Experientia 42, no. 8 (August 1986): 927–33. http://dx.doi.org/10.1007/bf01941770.

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McEachern, G. R., Jim Kamas, Doug Cook, and Jerral Johnson. "Pierce's Disease of Texas Grapevines." HortScience 32, no. 4 (July 1997): 597F—597. http://dx.doi.org/10.21273/hortsci.32.4.597f.

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Since 1977, it was believed the grape strain of Xylella fastidiosa, Pierce's Disease (PD), was limited to sites receiving less than 800 hours of winter chilling below 45 °F. Warm winters since 1992–93 resulted in numerous PD-positive vineyards in central Texas which were previously nonaffected. Vine mortality ranges from minimal to over 80% dead vines. A Davis Mountains site receiving over 1,000 hours was also severely infected in 1996. The last severe winter in Texas was 1989–90; therefore, warm winters could be contributing. This climatic change could have affected vines, vectors, bacteria,

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Balík, J., M. Kyseláková, N. Vrchotová, J. Tříska, M. Kumšta, J. Veverka, P. Híc, J. Totušek, and D. Lefnerová. "Relations between polyphenols content and antioxidant activity in vine grapes and leaves." Czech Journal of Food Sciences 26, Special Issue (February 10, 2009): S25—S32. http://dx.doi.org/10.17221/246/2008-cjfs.

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The occurrence and content of some polyphenols and the antioxidant activity of compounds present in grape berries, stems and leaves of <i>Vitis vinifera</i> L. were evaluated. Three white and three blue varieties of grapevine were investigated. The contents were determined of <i>trans</i>-resveratrol, <i>trans</i>-piceid, caftaric acid, tryptophan, catechin, epicatechin, total polyphenols, and flavanols, both in healthy material and in the samples of the plant material infested with microorganisms (<i>Botryotinia fuckeliana</i> Whetzel anamorph &

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Pulko, B., S. Vršič, and J. Valdhuber. " Influence of various rootstocks on the yield and grape composition of Sauvignon Blanc." Czech Journal of Food Sciences 30, No. 5 (July 25, 2012): 467–73. http://dx.doi.org/10.17221/347/2011-cjfs.

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This influence of various rootstocks on the yield and grape composition of Sauvignon Blanc was examined. The yield on rootstock 41B/72 was 1 kg/vine or more higher than on rootstocks SO4 cl. 31, Riparia cl. 1 and Kober 5BB. The vines grafted on the B&ouml;rner rootstock gave the highest weight of 100 berries (241 g). The highest seed weight of 100&nbsp;berries (6.9 g) was found on rootstock 196/17 Cl, while the lowest one was on the Riparia cl. 1 (5.6 g). There was a strong, positive correlation (r = 0.91) between the berry and seed weights of vines on rootstock 41B/72 (2003). The tota

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Yang, Qizhi, Mingsheng He, Guangyu Du, Lei Shi, Xiaoqi Zhao, Aiping Shi, and Min Addy. "Design and Experimental Study of a Wine Grape Covering Soil-Cleaning Machine with Wind Blowing." AgriEngineering 3, no. 1 (February 4, 2021): 50–72. http://dx.doi.org/10.3390/agriengineering3010004.

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Due to the cold and dry climate during the winter season of Central Asia, in order to prevent frostbite and vines drying out for wine grapes, the common methods are burying the vines in winter under a thick layer of soil and then cleaning them out in the next spring. The design of existing vine digging machinery is not precise enough and can only remove the outer layer of the soil on both sides and the top. It cannot clean the soil from the central area of the buried vine. Sometimes, the branches and buds get damaged due to uneven driving condition. To solve the problem, an innovative non-cont

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Dokupilová, Ivana, Ernest Šturdík, and Daniel Mihálik. "Characterization of vine varieties by SSR markers." Acta Chimica Slovaca 6, no. 2 (October 1, 2013): 227–34. http://dx.doi.org/10.2478/acs-2013-0035.

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Abstract Nowadays, there are well known PCR-based techniques to detect polymorphism in plants. Marker technologies which are applied in breeding and varietal characterization can be exchanged across laboratories with standardization to yield reproducible results. This article describes applying of simple sequence repeats (SSR) markers in European laboratories, in which the reproducibility of these popular markers are examined. One of the European Union interests is characterization of grape varieties and preparation of International Vitis catalogue for comparison global varieties as Chardonnay

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Roychev, Venelin, Milena Tzanova, Neli Keranova, and Penka Peeva. "Antioxidant content and antioxidant activity in raisins from seedless hybrid vine varieties with coloured grape juice." Czech Journal of Food Sciences 38, No. 6 (December 23, 2020): 410–16. http://dx.doi.org/10.17221/160/2020-cjfs.

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A study has been conducted on the antioxidant content and antioxidant activity in raisins from seedless hybrid varieties of vines with coloured grape juice. It has been found that the amounts of trans-resveratrol and quercetin as well as their antioxidant activity in raisins from the seedless coloured hybrid forms almost always mathematically exceed the levels of these indicators in the raisins of the Gamay Freaux, Black Corinth and Sangiovese grape varieties. It has been shown that 54% of the change in antioxidant activity is due to changes in the content of trans-resveratrol and 42% of querc

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Lampíř, Lubomír, and František Muška. "The basic comparision of total grape quality of vine from two different locations of vine (Vitis vinifera)." Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis 56, no. 5 (2008): 133–40. http://dx.doi.org/10.11118/actaun200856050133.

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The aim of the work was to compare the course of agro-ecological indicators according to the internationally acknowledged parameters – the balance of vine bunches, the berry balance, the weight of vine bunches, the berry weight in 7 varieties of vine in three resistant white varieties Merzling, Malverina and Hibernal and in one blue variety – Medina, then in classical varieties Aurelius, Chardonnay and Muscat Moravian in two locations Perna (sub-region Mikulovice) and Sadek (sub-region Znojmo). The evaluation of the grape quality was carried out in accordance with common standards used in the

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Striegler, R. Keith, Justin R. Morris, Gary L. Main, Chris B. Lake, Simon R. Graves, Renee T. Threlfall, and Janice M. Blevins. "277 Effect of Pruning Method on Yield and Quality of `Sunbelt' Grapes Grown in the San Joaquin Valley of California." HortScience 35, no. 3 (June 2000): 439A—439. http://dx.doi.org/10.21273/hortsci.35.3.439a.

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`Sunbelt' is a juice grape cultivar developed by the Univ. of Arkansas. This cultivar produces `Concord'-type juice and is adapted to climatic conditions of the southern United States. Preliminary evaluation showed that `Sunbelt' has potential to produce high-quality juice under the hot climatic conditions of the San Joaquin Valley. A study was conducted during the 1998 and 1999 seasons to further evaluate the adaptation of `Sunbelt' to San Joaquin Valley conditions and determine the response of this cultivar to selected pruning methods. Vines of uniform vine size and vigor were subjected to f

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Velicevici, Giancarla, Emilian Madoşă, Adriana Ciulca, Sorin Ciulca, Mihaela Mălăescu, Eleonora Nistor, and Carmen Beinsan. "RESEARCH ON THE VARIABILITY OF YIELD COMPONENTS IN SOME GRAPEVINE VARIETIES FOR RED WINES." Current Trends in Natural Sciences 10, no. 19 (July 31, 2021): 307–12. http://dx.doi.org/10.47068/ctns.2021.v10i19.039.

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Research was conducted during two growing seasons (2017-2018) in Miniş-Măderat vineyard. The study aimed to evaluate the variability of several red wine grape varieties in order to highlight their main qualitative and quantitative parameters. In the research were involved the morphological parameters: the number of bunches on the vine, the bunch weight, the number of berries in the bunch and the grape yield on the vine. The highest bunches number /vine registered Merlot variety (30.24), while Burgund variety recorded the lowest values (17.76). Burgund variety recorded the highest bunch average

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Ren*, Zhongbo, Jiang Lu*, and Xia Xu*. "Vine Vigor and Fruit Characteristics of Muscadine Grapes." HortScience 39, no. 4 (July 2004): 826C—826. http://dx.doi.org/10.21273/hortsci.39.4.826c.

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Muscadine grape industry in the southeastern United Sates is expanding in recent years. To provide necessary information for the growing industry, 50 muscadine grape cultivars were evaluated for vigor and fruit characteristics at Florida A&M Univ., Tallahassee, Fla. Vine vigor was measured by winter pruning weight and varied from 5.4 lb/vine to 35.7 lb/vine. Among these cultivars, Triumph, Summit, and Tara were the least vigorous, while `Carlos', `Fry Seedless', and `Gold Isle' produced the most pruning weight. Dry scar ranged from 60.6% (Darlene) to 97.7% (Dixie Red). Among the most impor

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Woodburn, K. R., and J. R. Clark. "Cluster Modification Effects on the Performance of an Arkansas Table Grape Selection." HortScience 33, no. 4 (July 1998): 592b—592. http://dx.doi.org/10.21273/hortsci.33.4.592b.

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Flower cluster thinning effects were investigated on A-2274, a large-fruited, seedless table grape selection from the Univ. of Arkansas Grape Breeding Program. The objective of the study was to evaluate flower cluster thinning as a method to enhance cluster size and fill. Treatments included thinning to one flower cluster per shoot, removing one-half of each cluster, and a control (no flowers removed). Each treatment consisted of three, single-vine replications, with each vine being pruned to 32 buds. Removal of entire flower clusters (to one per shoot) resulted in larger clusters and a trend

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Zombardo, Alessandra, Erica Mica, Sergio Puccioni, Rita Perria, Paolo Valentini, Giovan Battista Mattii, Luigi Cattivelli, and Paolo Storchi. "Berry Quality of Grapevine under Water Stress as Affected by Rootstock–Scion Interactions through Gene Expression Regulation." Agronomy 10, no. 5 (May 12, 2020): 680. http://dx.doi.org/10.3390/agronomy10050680.

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Despite phenotypic plasticity that allows the adaptation to harsh environments, when vines experience severe abiotic stresses, they can suffer from metabolic damages affecting grape production and quality. Grafting is an affordable strategy to mitigate these negative consequences since the rootstock can increase the drought tolerance in the scion. This work explored the effects of pre-veraison water deficit on vines grafted on different rootstocks (Mgt 101-14 and 1103 Paulsen) to obtain physiological, biochemical, and molecular information about the influence on grape quality. Repeated measure

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Culbert, Julie A., WenWen Jiang, Renata Ristic, Carolyn J. Puglisi, Elizabeth C. Nixon, Hongmei Shi, and Kerry L. Wilkinson. "Glycosylation of Volatile Phenols in Grapes following Pre-Harvest (On-Vine) vs. Post-Harvest (Off-Vine) Exposure to Smoke." Molecules 26, no. 17 (August 31, 2021): 5277. http://dx.doi.org/10.3390/molecules26175277.

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Taint in grapes and wine following vineyard exposure to bushfire smoke continues to challenge the financial viability of grape and wine producers worldwide. In response, researchers are studying the chemical, sensory and physiological consequences of grapevine smoke exposure. However, studies involving winemaking trials are often limited by the availability of suitable quantities of smoke-affected grapes, either from vineyards exposed to smoke or from field trials involving the application of smoke to grapevines. This study compared the accumulation of volatile phenol glycosides (as compositio

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