Bibliografías temáticas / Grapevine, Magnesium

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Literatura académica sobre el tema "Grapevine, Magnesium"

Autor: Grafiati

Publicado: 11 de marzo de 2023

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Artículos de revistas sobre el tema "Grapevine, Magnesium"

Singh, Rupesh Kumar, Jessica Afonso, Marta Nogueira, Ana A. Oliveira, Fernanda Cosme y 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, n.º 3 (20 de marzo de 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, and magnesium composition from Portuguese grapevines (Vitis vinifera L. cv. Touriga Nacional and Touriga Franca). The results suggested that the phenolic composition and anthocyanin content differs between treatments while other parameters showed distinct behavior among the different applications. Qualitative parameters observed in the present study suggested non-significant changes upon both the applications.

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Gautier, Antoine, Sarah J. Cookson, Loïc Lagalle, Nathalie Ollat y Elisa Marguerit. "Influence of the three main genetic backgrounds of grapevine rootstocks on petiolar nutrient concentrations of the scion, with a focus on phosphorus". OENO One 54, n.º 1 (24 de enero de 2020): 1–13. http://dx.doi.org/10.20870/oeno-one.2020.54.1.2458.

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Background and aims: In most viticultural areas of the world, Vitis vinifera grapevines require grafting onto phylloxera-tolerant rootstocks of American origin. The species most commonly used in rootstock creation are Vitis berlandieri, V. riparia and V. rupestris. Rootstocks not only provide tolerance to phylloxera but also ensure the supply of water and mineral nutrients to the scion. The aim of the study was to investigate the extent to which rootstocks with different genetic backgrounds modify the mineral composition of the petioles of the scion.Methods and results: Vitis vinifera cv. Cabernet-Sauvignon grapevines were grafted onto rootstocks of 13 different genotypes and planted in a vineyard in three blocks. Petiolar concentrations of 13 mineral elements at veraison (berry softening) were determined. The genetic background of the rootstock had significant effects on the mineral composition of the petioles. Use of rootstocks with a genetic background including at least one Vitis riparia parent decreased the concentration of phosphorus and magnesium and increased the concentration of sulphur in the petioles of Cabernet-Sauvignon.Conclusion: Rootstocks with a Vitis riparia genetic background confer low petiolar concentrations of phosphorus and magnesium, and conversely, high petiolar concentration of sulphur.Significance of the study: The kind of rootstock onto which a grapevine has been grafted is known to influence the nutrient content of the scion. The results of the study show a significant relation between the genetic background of a rootstock and its ability to modify concentrations of phosphorus, magnesium and sulphur in the petioles of the scion under field conditions.

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Erez, A. "Defoliation of Deciduous Fruit Trees with Magnesium Chlorate and Cyanamide". HortScience 20, n.º 3 (junio de 1985): 452–53. http://dx.doi.org/10.21273/hortsci.20.3.452.

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Abstract Magnesium chlorate [(Mg(C103)2] and hydrogen cyanamide (H2CN2) sprays defoliated one-year-old nursery trees of ‘Golden Delicious’ apple, ‘Spadona’ pear, ‘Canino’ apricot, ‘Harry Pickstone’ plum, and ‘Cabernet Sauvignon’ grapevine, with no or minimal phytotoxicity. Bearing Maravilha peach trees were defoliated completely in autumn using Mg(C103)2 at 0.36%.

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Chang, Tae-Hyun. "Effect of Magnesium deficiency on Chlorosis and Fruit Quality of Grapevine". Korean Journal of Environmental Agriculture 28, n.º 4 (30 de diciembre de 2009): 347–55. http://dx.doi.org/10.5338/kjea.2009.28.4.347.

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Calzarano, Francesco, Giancarlo Pagnani, Michele Pisante, Mirella Bellocci, Giuseppe Cillo, Elisa Giorgia Metruccio y Stefano Di Marco. "Factors Involved on Tiger-Stripe Foliar Symptom Expression of Esca of Grapevine". Plants 10, n.º 6 (21 de mayo de 2021): 1041. http://dx.doi.org/10.3390/plants10061041.

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Esca of grapevine causes yield losses correlated with incidence and severity symptom expression. Factors associated with leaf symptom mechanisms are yet to be fully clarified. Therefore, in 2019 and 2020, macro and microelement analyses and leaf reflectance measurements were carried out on leaves at different growth stages in a vineyard located in Abruzzo, central Italy. Surveys were carried out on leaves of both never leaf-symptomatic vines and different categories of diseased vine shoots. Never leaf-symptomatic and diseased vines were also treated with a fertilizer mixture that proved to be able to limit the symptom expression. Results showed that untreated asymptomatic diseased vines had high calcium contents for most of the vegetative season. On the contrary, treated asymptomatic diseased vines showed higher contents of calcium, magnesium, and sodium, at berries pea-sized, before the onset of symptoms. These vines had better physiological efficiency showing higher water index (WI), normalized difference vegetation index (NDVI), and green normalized difference vegetation index (GNDVI) values, compared to untreated asymptomatic vines, at fruit set. Results confirmed the strong response of the plant to symptom expression development and the possibility of limiting this response with calcium and magnesium applications carried out before the symptom onset.

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Candar, Serkan, Bekir Açıkbaş, Mümtaz Ekiz, Damla Zobar, İlknur Korkutal y Elman Bahar. "Influence of water scarcity on macronutrients contents in young leaves of wine grape cultivars". Ciência e Técnica Vitivinícola 36, n.º 2 (2021): 104–15. http://dx.doi.org/10.1051/ctv/ctv20213602104.

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This study aimed to determine the variability of plant nutrition content in two-year old local and well-known wine grape cultivars under different water constraint scenarios. Own rooted and potted eight grapevine cultivars (cv. ‘Adakarası’, ‘Papazkarası’, ‘Karasakız’, ‘Karalahana’, ‘Yapıncak’, ‘Vasilaki’, ‘Cabernet Sauvignon’ and ‘Sauvignon Blanc’) were subjected to five irrigation treatments (100% daily irrigation of available water capacity (AWC), 75% irrigation of AWC, 50% irrigation of AWC, 25% irrigation of AWC, and no irrigation for 0% treatment) for two consecutive years during vegetative growth (May – late September). An increase in nitrogen, potassium and magnesium contents in leaf tissues with decreasing water amount was observed. Similar effect was found for phosphorus and calcium contents. The sulfur concentration in leaf tissues remained almost unchanged. In addition, the variability of genetic potential influenced the nutrient intake of the studied cultivars. The ability of grapevine cultivars to cope with the water deficit of the cultivars should definitely be assessed in adaptation strategies developed to make viticulture sustainable under the effects of the climate crisis.

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Rustioni, Laura, Daniele Grossi, Lucio Brancadoro y Osvaldo Failla. "Iron, magnesium, nitrogen and potassium deficiency symptom discrimination by reflectance spectroscopy in grapevine leaves". Scientia Horticulturae 241 (noviembre de 2018): 152–59. http://dx.doi.org/10.1016/j.scienta.2018.06.097.

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Downton, WJS. "Growth and mineral composition of the sultana grapevine as influenced by salinity and rootstock". Australian Journal of Agricultural Research 36, n.º 3 (1985): 425. http://dx.doi.org/10.1071/ar9850425.

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Sultana grapevine growing on its own root system, or else grafted to Dogridge, 1613, Harmony and Ramsey rootstocks, was irrigated with 0, 12.5, 25, 50 or 75 mM solutions of chloride salts under glasshouse conditions for three consecutive growing seasons. Cations accompanying chloride were sodium, magnesium and calcium in the ratio of 0.6:0.2:0.2 m.e./l. Growth was progressively suppressed by salinity in all vines, but scions on stocks of Vitis champini (Dogridge and Ramsey) showed linear decreases in growth, whereas self-rooted vines and scions on Harmony and 1613 stocks gave curvilinear responses in which the rate of decline in growth was greater at lower salinities than at higher salinities. Scions on 1613 rootstocks performed poorest, particularly when salt treatments were applied before budburst. With the exception of Dogridge, rootstocks growing under glasshouse conditions generally lowered the chloride concentration in leaves of scions below that of self-rooted vines. Canes on 1613 stock accumulated much higher concentrations of chloride than did the other vines. Rootstocks lowered sodium, particularly in petioles and raised potassium concentrations in all plant parts. Dogridge and Harmony stocks led to very high concentrations of potassium in petioles even in the absence of salt treatment. Salt treatment resulted in greatly elevated phosphorus concentrations within scions. Magnesium showed increases in leaves and canes with increasing external salinity, whereas calcium did not. Nitrogen concentrations did not change with rootstock or salt treatment. The results have relevance for irrigated horticultural areas along the River Murray, for which the ionic composition of the watering medium was formulated, and for situations where saline wastewater is to be reutilized.

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Provost, Caroline, Alexander Campbell y François Dumont. "Rootstocks Impact Yield, Fruit Composition, Nutrient Deficiencies, and Winter Survival of Hybrid Cultivars in Eastern Canada". Horticulturae 7, n.º 8 (10 de agosto de 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 cold-hardy hybrids were affected differently by each rootstock. Magnesium deficiency was lower for grafted Frontenac and Frontenac blanc compared with own-rooted vines, but bud survival and grapevine development were not affected by rootstock. Moreover, results related to yield components showed that there are significant differences between rootstocks and own-rooted vines. Frontenac was the least affected grape variety compared to Frontenac blanc and Marquette, where only cluster weight and berry weight were impacted. Overall, for the two Frontenac varietals, we also observed a greater maturity for fruits of vines grafted on 101-14 and 3309C compared with own-rooted vines. Grafting affected fruit composition for Marquette differently, where the lowest grape maturity was observed for fruits on vines grafted on SO4. This study demonstrates that rootstocks affect cold-hardy hybrids, highlighting their potential under eastern North American conditions.

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Olego, Miguel A. "Influence of overliming vineyard acid soils on the macro-nutritional status of grapevines". Spanish Journal of Agricultural Research 19, n.º 3 (septiembre de 2021): e0903-e0903. http://dx.doi.org/10.5424/sjar/2021193-17639.

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Aim of study: The main aim of this study was to evaluate the effect of overliming with dolomitic lime on the topsoil and grapevine macro-nutritional levels (both petiole and grape tissues), as well as on berry weight and must quality properties in grapevines growing on an acid soil. Area of study: The study was carried out in the viticultural region of El Bierzo (Spain), one of the main wine protected designation of origin in the northwest of Spain. Material and methods: The effects of overliming were studied in soil parameters, petiole and grape tissues, as well as in must quality during three years (2014-2016). Data analysis was performed using factorial ANOVA (both parametric and non-parametric tests have been used). Main results: The results found on the soil levels of magnesium and phosphorus were mirrored by those shown in petiole and grape tissues. Data suggest that insufficient Mg supply in vineyard acid soils could lead to a lower P vascular movement in vines. Additionally, our findings suggest that a great decrease of K levels in vine tissues as a consequence of overliming, could lead to changes in harvest quality. Research highlights: Overliming with dolomitic limestone in large quantities decreased soil exchangeable K, as well as improved supply of exchangeable Mg and available P. Additionally Mg and P levels in both petiole and grape tissues were significantly affected by overliming.

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Tesis sobre el tema "Grapevine, Magnesium"

Wang, Chiung-Hui y 王瓊慧. "Effects of magnesium on copper toxicity and accumulation in grapevine cuttings". Thesis, 2011. http://ndltd.ncl.edu.tw/handle/98640488551137415901.

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Capítulos de libros sobre el tema "Grapevine, Magnesium"

Dalton, David R. "The Soil". En The Chemistry of Wine. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780190687199.003.0012.

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The widespread practices of viniculture (the study of production of grapes for wine) and oenology (the study of winemaking) affirm the generalization that grapevines have fewer problems with mineral deficiency than many other crops. Only occasionally is the addition of iron (Fe), phosphorus (P), magnesium (Mg), and manganese (Mn) supplements to the soil needed. Addition of potassium (K), zinc (Zn), and boron (B) to the soil is more common. And, of course, nitrogen (N) is critical for the production of proteins. Over the years, various transition metals (metals in groups three through twelve [3– 12] of the periodic table, Appendix 1) have been shown to be generally important. These groups include iron (Fe), magnesium (Mg), manganese (Mn), zinc (Zn), and copper (Cu). Many metals are bound to organic molecules that are important for life. Some of the metals, such as copper (Cu) and iron (Fe), are important in electron transport while others, including manganese (Mn) and iron (Fe), inhibit reactive oxygen (O) species (ROSs) that can destroy cells. Metals serve both to cause some reactions to speed up, called positive catalysis while caus¬ing others (e.g., unwanted oxidation) to slow down (negative catalysis). It is not uncommon to add nitrogen (N), in the form of ammonium salts such as ammonium nitrate (NH4NO3), as fertilizer to the soil in which the vines are growing. It is also common to increase the nitrogen (N) content in the soil by planting legumes (legumes have roots that are frequently colonized by nitrogen-fixing bacteria). Nitrogen- fixing bacteria convert atmospheric nitrogen (N2), which plants cannot use, to forms, such as ammonia (NH3) or its equivalent, capable of absorption by plants. Nitrogen, used in plant proteins, tends to remain in the soil after harvest or decomposition. With sufficient nitrogen present in the soil the growth cycle can begin again in the following season without adding too much fertilizer. In a more general sense, however, it is clear (as mentioned earlier) that the soil must be capable of good drainage so the sub-soil parts of the plant do not rot and it must be loose enough to permit oxygen to be available to the growing roots.

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