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The protection of vineyards with overhead plastic covers is a technique largely applied in table grape growing. As with other crops, remote sensing of vegetation spectral reflectance is a useful tool for improving management even for table grape viticulture. The remote sensing of the spectral signals emitted by vegetation of covered vineyards is currently an open field of investigation, given the intrinsic nature of plastic sheets that can have a strong impact on the reflection from the underlying vegetation. Baring these premises in mind, the aim of the present work was to run preliminary tests on table grape vineyards covered with polyethylene sheets, using Copernicus Sentinel 2 (Level 2A product) free optical data, and compare their spectral response with that of similar uncovered vineyards to assess if a reliable spectral signal is detectable through the plastic cover. Vine phenology, air temperature and shoot growth, were monitored during the 2016 growing cycle. Twenty-four Copernicus Sentinel 2 (S2, Level 2A product) images were used to investigate if, in spite of plastic sheets, vine phenology can be similarly described with and without plastic covers. For this purpose, time series of S2 at-the-ground reflectance calibrated bands and correspondent normalized difference vegetation index (NDVI), modified soil-adjusted vegetation index, version two (MSAVI2) and normalized difference water index (NDWI) spectral indices were obtained and analyzed, comparing the responses of two covered vineyards with different plastic sheets in respect of two uncovered ones. Results demonstrated that no significant limitation (for both bands and spectral indices) was introduced by plastic sheets while monitoring spectral behavior of covered vineyards.
Enrico Borgogno-Mondino; Laura De Palma; Vittorino Novello. Investigating Sentinel 2 Multispectral Imagery Efficiency in Describing Spectral Response of Vineyards Covered with Plastic Sheets. Agronomy 2020, 10, 1909 .
AMA StyleEnrico Borgogno-Mondino, Laura De Palma, Vittorino Novello. Investigating Sentinel 2 Multispectral Imagery Efficiency in Describing Spectral Response of Vineyards Covered with Plastic Sheets. Agronomy. 2020; 10 (12):1909.
Chicago/Turabian StyleEnrico Borgogno-Mondino; Laura De Palma; Vittorino Novello. 2020. "Investigating Sentinel 2 Multispectral Imagery Efficiency in Describing Spectral Response of Vineyards Covered with Plastic Sheets." Agronomy 10, no. 12: 1909.
The interest in the biological properties of grapevine polyphenols (PPs) in neuroprotection is continuously growing in the hope of finding translational applications. However, there are several concerns about the specificity of action of these molecules that appear to act non-specifically on the permeability of cellular membranes. Naturally occurring neuronal death (NOND) during cerebellar maturation is a well characterized postnatal event that is very useful to investigate the death and rescue of neurons. We here aimed to establish a baseline comparative study of the potential to counteract NOND of certain grapevine PPs of interest for the oenology. To do so, we tested ex vivo the neuroprotective activity of peonidin- and malvidin-3-O-glucosides, resveratrol, polydatin, quercetin-3-O-glucoside, (+)-taxifolin, and (+)-catechin. The addition of these molecules (50 μM) to organotypic cultures of mouse cerebellum explanted at postnatal day 7, when NOND reaches a physiological peak, resulted in statistically significant (two-tailed Mann–Whitney test—p < 0.001) reductions of the density of dead cells (propidium iodide+ cells/mm2) except for malvidin-3-O-glucoside. The stilbenes were less effective in reducing cell death (to 51–60%) in comparison to flavanols, (+)-taxifolin and quercetin 3-O-glucoside (to 69–72%). Thus, molecules with a -OH group in ortho position (taxifolin, quercetin 3-O-glucoside, (+)-catechin, and peonidin 3-O-glucoside) have a higher capability to limit death of cerebellar neurons. As NOND is apoptotic, we speculate that PPs act by inhibiting executioner caspase 3.
Laura Lossi; Adalberto Merighi; Vittorino Novello; Alessandra Ferrandino. Protective Effects of Some Grapevine Polyphenols against Naturally Occurring Neuronal Death. Molecules 2020, 25, 2925 .
AMA StyleLaura Lossi, Adalberto Merighi, Vittorino Novello, Alessandra Ferrandino. Protective Effects of Some Grapevine Polyphenols against Naturally Occurring Neuronal Death. Molecules. 2020; 25 (12):2925.
Chicago/Turabian StyleLaura Lossi; Adalberto Merighi; Vittorino Novello; Alessandra Ferrandino. 2020. "Protective Effects of Some Grapevine Polyphenols against Naturally Occurring Neuronal Death." Molecules 25, no. 12: 2925.
Sergio A. Belmonte; Luisella Celi; Ruby J. Stahel; Eleonora Bonifacio; Vittorino Novello; Ermanno Zanini; Kerri L. Steenwerth. Effect of Long-Term Soil Management on the Mutual Interaction Among Soil Organic Matter, Microbial Activity and Aggregate Stability in a Vineyard. Pedosphere 2018, 28, 288 -298.
AMA StyleSergio A. Belmonte, Luisella Celi, Ruby J. Stahel, Eleonora Bonifacio, Vittorino Novello, Ermanno Zanini, Kerri L. Steenwerth. Effect of Long-Term Soil Management on the Mutual Interaction Among Soil Organic Matter, Microbial Activity and Aggregate Stability in a Vineyard. Pedosphere. 2018; 28 (2):288-298.
Chicago/Turabian StyleSergio A. Belmonte; Luisella Celi; Ruby J. Stahel; Eleonora Bonifacio; Vittorino Novello; Ermanno Zanini; Kerri L. Steenwerth. 2018. "Effect of Long-Term Soil Management on the Mutual Interaction Among Soil Organic Matter, Microbial Activity and Aggregate Stability in a Vineyard." Pedosphere 28, no. 2: 288-298.
ISHS International Symposium on Sensing Plant Water Status - Methods and Applications in Horticultural Science Intra-vineyard variability description through satellite-derived spectral indices as related to soil and vine water status
E. Borgogno-Mondino; Vittorino Novello; A. Lessio; L. Tarricone; L. De Palma. Intra-vineyard variability description through satellite-derived spectral indices as related to soil and vine water status. Acta Horticulturae 2018, 59 -68.
AMA StyleE. Borgogno-Mondino, Vittorino Novello, A. Lessio, L. Tarricone, L. De Palma. Intra-vineyard variability description through satellite-derived spectral indices as related to soil and vine water status. Acta Horticulturae. 2018; (1197):59-68.
Chicago/Turabian StyleE. Borgogno-Mondino; Vittorino Novello; A. Lessio; L. Tarricone; L. De Palma. 2018. "Intra-vineyard variability description through satellite-derived spectral indices as related to soil and vine water status." Acta Horticulturae , no. 1197: 59-68.
The berry shrinking phenomenon in cv Shiraz (Vitis vinifera L.) is to date much debated. Currently, the critical points in Shiraz pre-harvest shrinkage are: a) the role of the xylem during post-véraison; b) the existence and timing of xylematic back flow and c) the functionality of the phloem. In order to try to resolve these issues, we traced the xylematic flows from the vine to the berry and vice versa by using the fuchsin acid as a xylematic tracer. At berry maturity, in order to verify also the phloematic functionality, we used the fluorescent tracer 6(5)-carboxyfluorescein diacetate (CFDA). The results showed clearly that the vine gradually loses the ability to deliver water to the berries via pedicel during ripening. The xylematic back-flow is active in the pre-véraison but not in the post-véraison berries. Furthermore, the CFDA experiments showed the absence of flow from the plant to the berry and vice versa at berry maturity. In cv Shiraz véraison seems to be the crucial point in the berry dehydration understanding: in pre-véraison there is a ‘plant/berry’ and ‘berry/plant’ water communication, whereas in post-véraison this seems to cease progressively.
Antonio Carlomagno; Vittorino Novello; Alessandra Ferrandino; Andrea Genre; Claudio Lovisolo; Jacobus J. Hunter. Pre-harvest berry shrinkage in cv ‘Shiraz’ (Vitis vinifera L.): Understanding sap flow by means of tracing. Scientia Horticulturae 2018, 233, 394 -406.
AMA StyleAntonio Carlomagno, Vittorino Novello, Alessandra Ferrandino, Andrea Genre, Claudio Lovisolo, Jacobus J. Hunter. Pre-harvest berry shrinkage in cv ‘Shiraz’ (Vitis vinifera L.): Understanding sap flow by means of tracing. Scientia Horticulturae. 2018; 233 ():394-406.
Chicago/Turabian StyleAntonio Carlomagno; Vittorino Novello; Alessandra Ferrandino; Andrea Genre; Claudio Lovisolo; Jacobus J. Hunter. 2018. "Pre-harvest berry shrinkage in cv ‘Shiraz’ (Vitis vinifera L.): Understanding sap flow by means of tracing." Scientia Horticulturae 233, no. : 394-406.
Simona Belviso; Fabrizio Torchio; Vittorino Novello; Simone Giacosa; Laura DE Palma; Susana Río Segade; Vincenzo Gerbi; Luca Rolle. Modeling of the evolution of phenolic compounds in berries of “Italia” table grape cultivar using response surface methodology. Journal of Food Composition and Analysis 2017, 62, 14 -22.
AMA StyleSimona Belviso, Fabrizio Torchio, Vittorino Novello, Simone Giacosa, Laura DE Palma, Susana Río Segade, Vincenzo Gerbi, Luca Rolle. Modeling of the evolution of phenolic compounds in berries of “Italia” table grape cultivar using response surface methodology. Journal of Food Composition and Analysis. 2017; 62 ():14-22.
Chicago/Turabian StyleSimona Belviso; Fabrizio Torchio; Vittorino Novello; Simone Giacosa; Laura DE Palma; Susana Río Segade; Vincenzo Gerbi; Luca Rolle. 2017. "Modeling of the evolution of phenolic compounds in berries of “Italia” table grape cultivar using response surface methodology." Journal of Food Composition and Analysis 62, no. : 14-22.
Stefano Raimondi; Antonio Carlomagno; Paola Ruffa; Sara Oglietti; Vittorino Novello; Anna Schneider. Pedigree reconstruction of wine and table grape crossbreeds created in Italy by Giovanni Dalmasso. Scientia Horticulturae 2017, 219, 125 -130.
AMA StyleStefano Raimondi, Antonio Carlomagno, Paola Ruffa, Sara Oglietti, Vittorino Novello, Anna Schneider. Pedigree reconstruction of wine and table grape crossbreeds created in Italy by Giovanni Dalmasso. Scientia Horticulturae. 2017; 219 ():125-130.
Chicago/Turabian StyleStefano Raimondi; Antonio Carlomagno; Paola Ruffa; Sara Oglietti; Vittorino Novello; Anna Schneider. 2017. "Pedigree reconstruction of wine and table grape crossbreeds created in Italy by Giovanni Dalmasso." Scientia Horticulturae 219, no. : 125-130.
Modern viticulture requires robust, fast, non-destructive methods to assess berry composition. We tested a chlorophyll fluorescence screening method to estimate berry phenolic substances. We focused on anthocyanin and flavonol in red and white cultivars. The ANTH_RG index was dependent on the cultivar anthocyanin profile. In Nebbiolo, in which dihydroxylated anthocyanins prevail, ANTH_RG was 2.4 times higher than in Barbera, in which trihydroxylated anthocyanins prevail. Considering the profiles of the two cultivars at similar anthocyanin concentration and their relative in vitro absorbance, a bathochromic shift of 10 nm emerged, which can explain the different screening effect exerted by anthocyanin on chlorophyll fluorescence. As to flavanols, we propose the calibration of a new spectroscopic index, the FLAV_UV, in coloured and white berries, finding good correlation with flavonol concentration determined analytically (R2 higher than 0.7). Spectroscopic indices can estimate the concentration of anthocyanin and flavonol in grape berries. A calibration curve for Nebbiolo, which has a distinctive anthocyanin profile, and the calibration of a new index, the FLAV_UV, able to estimate flavonol concentration in both red and white cultivars, are described for the first time. These indices can effectively be applied for non-destructive assessment of grape flavonoid.
A. Ferrandino; Chiara Pagliarani; A. Carlomagno; V. Novello; A. Schubert; G. Agati. Improved fluorescence-based evaluation of flavonoid in red and white winegrape cultivars. Australian Journal of Grape and Wine Research 2017, 23, 207 -214.
AMA StyleA. Ferrandino, Chiara Pagliarani, A. Carlomagno, V. Novello, A. Schubert, G. Agati. Improved fluorescence-based evaluation of flavonoid in red and white winegrape cultivars. Australian Journal of Grape and Wine Research. 2017; 23 (2):207-214.
Chicago/Turabian StyleA. Ferrandino; Chiara Pagliarani; A. Carlomagno; V. Novello; A. Schubert; G. Agati. 2017. "Improved fluorescence-based evaluation of flavonoid in red and white winegrape cultivars." Australian Journal of Grape and Wine Research 23, no. 2: 207-214.
In this work we tested consistency and reliability of satellite-derived Prescription Maps (PMs) respect to those that can be obtained by aerial imagery. Test design considered a vineyard of Moscato Reale sited in Apulia (South-Eastern Italy) and two growing seasons (2013 and 2014). Comparisons concerned Landsat 8 OLI images and aerial datasets from airborne RedLake MS4100 multispectral camera. We firstly investigated the role of spatial resolution in radiometric features of data and, in particular, of NDVI maps and consequently of vigour maps. We first measured the maximum expected correlation between satellite- and aerial-derived maps. We found that, without any pixel selection and spatial interpolation, correlation ranges between 0.35 and 0.60 depending on the degree of heterogeneity of the vineyard. We also found that this result can be improved by operating a selection of those pixels representing vines canopy in aerial imagery and spatially interpolating them. In this way correlation coefficient can be improved up to 0.85 (minimum 0.60) suggesting an excellent capability of satellite data to approximate aerial ones at vineyard level. Prescription maps derived from vigour one demonstrated to be spatially consistent; but we also found that the quantitative interpretation of mapped vigour was changing in strength according to datasets and time of acquisition. Therefore, in spite of a satisfying consistency of spatial distribution, results showed that vigour strength at vineyard level from aerial and satellite datasets is generally not consistent, partially for the presence of a bias (that we modelled).
E. Borgogno-Mondino; A. Lessio; L. Tarricone; Vittorino Novello; Laura DE Palma. A comparison between multispectral aerial and satellite imagery in precision viticulture. Precision Agriculture 2017, 19, 195 -217.
AMA StyleE. Borgogno-Mondino, A. Lessio, L. Tarricone, Vittorino Novello, Laura DE Palma. A comparison between multispectral aerial and satellite imagery in precision viticulture. Precision Agriculture. 2017; 19 (2):195-217.
Chicago/Turabian StyleE. Borgogno-Mondino; A. Lessio; L. Tarricone; Vittorino Novello; Laura DE Palma. 2017. "A comparison between multispectral aerial and satellite imagery in precision viticulture." Precision Agriculture 19, no. 2: 195-217.
In this study, the leaf chlorophyll content of normally developed and underdeveloped shoots was compared in anattempt to quantify the effect of shoot heterogeneity in a Shiraz/Richter 99 vineyard, located in the Stellenbosch areaof the Western Cape, South Africa. Comparisons are also made between normally developed and underdevelopedshoots from shaded and well-exposed canopies. No positive correlation was found between the photosyntheticactivity and the chlorophyll concentration of the leaves at five weeks after véraison. Equal amounts of chlorophyllper cm2 and a non-significant difference in the assimilation rate were calculated for the leaves of normally developedand underdeveloped shoots. No significant differences were found between the shaded and well-exposed canopies. Ittherefore appears that it is the effective surface area per leaf or per shoot rather than the chlorophyll concentrationor activity that may be responsible for any apparent difference in the photosynthetic output of the leaves fromnormally developed and underdeveloped shoots in shaded or well-exposed canopies.
H. Cloete; E. Archer; Vittorino Novello; J.J. Hunter. Shoot Heterogeneity Effects on Shiraz/Richter 99 Grapevines. III. Leaf Chlorophyll Content. South African Journal of Enology and Viticulture 2016, 28, 1 .
AMA StyleH. Cloete, E. Archer, Vittorino Novello, J.J. Hunter. Shoot Heterogeneity Effects on Shiraz/Richter 99 Grapevines. III. Leaf Chlorophyll Content. South African Journal of Enology and Viticulture. 2016; 28 (1):1.
Chicago/Turabian StyleH. Cloete; E. Archer; Vittorino Novello; J.J. Hunter. 2016. "Shoot Heterogeneity Effects on Shiraz/Richter 99 Grapevines. III. Leaf Chlorophyll Content." South African Journal of Enology and Viticulture 28, no. 1: 1.
In this study, the physiology of normally developed and underdeveloped shoots is compared in an attempt toquantify the effect of shoot heterogeneity in a Shiraz/Richter 99 vineyard, located in the Stellenbosch area of theWestern Cape, South Africa. Comparisons are made between normally developed and underdeveloped shoots fromshaded and well-exposed canopies. In the first five weeks after véraison, photosynthetic and transpiration rates,stomatal conductance and water-use efficiency (WUE) decreased as berry ripening progressed, while the internalCO2 levels of the leaves increased. Since differences in activity between individual leaves from normally developedand underdeveloped shoots only became apparent in the third week after véraison, it seemed as if the leaf area pershoot played a more important role than the photosynthetic output per unit leaf area in determining photosynthetatesupply to the rest of the vine up to this stage. From the third week after véraison, higher levels of photosynthetateswere produced by normally developed shoots than by underdeveloped shoots, due to the larger effective leaf areaper shoot as well as the higher photosynthetic activity per unit leaf area. This points to premature senescence of theleaves on underdeveloped shoots. The quantity and quality of the yield from normally developed shoots are expectedto benefit from the higher physiological output of the leaves. The enhancing effect on leaf functioning induced bycanopy exposure became apparent from the third week after véraison.
H. Cloete; E. Archer; Vittorino Novello; J.J. Hunter. Shoot Heterogeneity Effects on Shiraz/Richter 99 Grapevines. II. Physiological Activity. South African Journal of Enology and Viticulture 2016, 28, 1 .
AMA StyleH. Cloete, E. Archer, Vittorino Novello, J.J. Hunter. Shoot Heterogeneity Effects on Shiraz/Richter 99 Grapevines. II. Physiological Activity. South African Journal of Enology and Viticulture. 2016; 28 (1):1.
Chicago/Turabian StyleH. Cloete; E. Archer; Vittorino Novello; J.J. Hunter. 2016. "Shoot Heterogeneity Effects on Shiraz/Richter 99 Grapevines. II. Physiological Activity." South African Journal of Enology and Viticulture 28, no. 1: 1.
The water relations and physiological status of the grapevine are critical for obtaining a quality product andfor fully exploring vineyard and grape potential. The objective of this investigation was to determine theeffect of grapevine water status (induced by means of two field water capacity-based irrigation levels, 75%and 100%, applied at single and combined vine developmental stages) on morphological and physiologicalchanges in Vitis vinifera L. cv. Shiraz/Richter 99 grapevines and grapes (harvested at different solublesolid levels) under field conditions. The integrative effects of vine water relations and grape ripeness level,specifically in a Mediterranean high winter rainfall area, have not yet been investigated systematically. Theterroir affected the reaction of the vines to treatments. The soil displayed high water-holding capacity anda buffer against favourable evapotranspiration conditions, even with a western aspect and being subjectedto long and relatively dry seasons, with frequent occurrence of high temperatures and grapevines withfully developed canopies. The vines did not seem overly stressed – in line with the relatively high basesoil water fractions of mostly more than 50% of field water capacity. Primary and secondary leaf waterpotential and stem water potential displayed similar patterns and the water potential of the primary andsecondary leaves was similar. Despite relatively high base soil water contents that prevented excessivelylow plant water potential and classic leaf and berry behaviour to surface, the vines still responded in anoticeable way to volume and timing of irrigation in relation to the grape ripeness level status. Waterrelations, ripeness level and terroir conditions showed an integrated, steering impact on physiological,vegetative and reproductive behaviour. Post-véraison irrigated vines were expected to maintain relativelyhigh water potential during the last weeks of the ripening period, but this seemed not to be the case. Allvines seemed to have recuperated/stabilised during this time, maintaining their water balances. Physical,physiological and compositional changes in the berry during late ripening under field conditions wereclarified further. New information was obtained on the relationships between the behaviour of the rootsystem, canopy and grapes and the changing terroir conditions during the ripening period.
J.J. Hunter; C.G. Volschenk; Vittorino Novello; A.E. Strever; G.W. Fouché. Integrative Effects of Vine Water Relations and Grape Ripeness Level of Vitis vinifera L. cv. Shiraz/Richter 99. I. Physiological Changes and Vegetative-Reproductive Growth Balances. South African Journal of Enology and Viticulture 2016, 35, 332 -358.
AMA StyleJ.J. Hunter, C.G. Volschenk, Vittorino Novello, A.E. Strever, G.W. Fouché. Integrative Effects of Vine Water Relations and Grape Ripeness Level of Vitis vinifera L. cv. Shiraz/Richter 99. I. Physiological Changes and Vegetative-Reproductive Growth Balances. South African Journal of Enology and Viticulture. 2016; 35 (2):332-358.
Chicago/Turabian StyleJ.J. Hunter; C.G. Volschenk; Vittorino Novello; A.E. Strever; G.W. Fouché. 2016. "Integrative Effects of Vine Water Relations and Grape Ripeness Level of Vitis vinifera L. cv. Shiraz/Richter 99. I. Physiological Changes and Vegetative-Reproductive Growth Balances." South African Journal of Enology and Viticulture 35, no. 2: 332-358.
Regulation of grapevine water status is a common practice to manipulate grape composition and winequality. In this investigation the effect of plant water status (two field water capacity-based irrigation levels,75% and 100%, applied at single and combined vine developmental stages) and ripeness level (harvestingat different soluble solid levels) on grape composition and wine quality of Vitis vinifera L. cv. Shiraz/Richter 99 was determined. Integrative effects of vine water relations and grape ripeness level, specificallyin a Mediterranean high winter rainfall area, have not yet been investigated systematically. Source:sinkmechanisms and dynamics and compositional and physical changes during both green berry and ripeningperiods (and in response to environment changes), seemed critical for the final grape composition and winequality/style. Despite relatively favourable conditions of the experiment terroir, additional water was stillrequired to obtain best grape and wine quality. Skin colour and total phenolic contents were stimulated inparticular by 75% (field water capacity) pea size (PS) irrigation, post-véraison (PV) irrigation and 75% peasize+post-véraison irrigation, until the last harvest stage. Treatments that included post-véraison irrigationwere not negative in terms of ripening parameters. Increasing total soluble solids with ripening were notfollowed in parallel by anthocyanin potential. Anthocyanin extractability increased with ripening. A late,overripe harvest may result in wines that are slightly better coloured, but highly alcoholic and tannic.Furthermore, at high ripeness level, differences between treatments largely diminished. Over-ripenessof grapes may have tempering and even negative effects on expected outcomes of seasonal cultivationefforts to produce unique wines. This would not favour economic viability. Although non-irrigated winesfailed to result in exceptional wine quality at any harvest stage, a better result in overall quality wasobtained in comparison to irrigation treatments applied at all stages. Berry and wine composition resultscorresponded with findings on wine sensorial quality. The 75% PS, PV irrigation, and 75% PS+PVirrigation consistently resulted in good quality wines. At the first harvest stage, 75% PV, 100% PV, 75%PS+V and 75% PS+PV irrigations gave most prominent wines; at the second harvest stage, vines irrigated75% at PS, 75% at PS+PV and 75% at PV delivered most prominent wines; and at the third harveststage, 75% PV, 100% PV, 75% PS and 75% PS+PV resulted in most prominent wines. These treatmentsrepresented different wine styles at each harvest stage. Restricted PS irrigation and PV irrigation, as singleor combined treatments, featured prominently in favouring grape and wine composition and wine sensorialquality. Physical and compositional changes in ripening berries and the impact on wine quality and stylewere further clarified. New perspectives on managing time of harvesting with varying vine water status aregiven. Recommendations on vine water status management strategies required to obtain different grapecomposition and wine style are made.
J.J. Hunter; C.G. Volschenk; Vittorino Novello; Antonino Pisciotta; M. Booyse; G.W. Fouché. Integrative Effects of Vine Water Relations and Grape Ripeness Level of Vitis vinifera L. cv. Shiraz/Richter 99. II. Grape Composition and Wine Quality. South African Journal of Enology and Viticulture 2016, 35, 359 -374.
AMA StyleJ.J. Hunter, C.G. Volschenk, Vittorino Novello, Antonino Pisciotta, M. Booyse, G.W. Fouché. Integrative Effects of Vine Water Relations and Grape Ripeness Level of Vitis vinifera L. cv. Shiraz/Richter 99. II. Grape Composition and Wine Quality. South African Journal of Enology and Viticulture. 2016; 35 (2):359-374.
Chicago/Turabian StyleJ.J. Hunter; C.G. Volschenk; Vittorino Novello; Antonino Pisciotta; M. Booyse; G.W. Fouché. 2016. "Integrative Effects of Vine Water Relations and Grape Ripeness Level of Vitis vinifera L. cv. Shiraz/Richter 99. II. Grape Composition and Wine Quality." South African Journal of Enology and Viticulture 35, no. 2: 359-374.
Field studies were conducted in Puglia (Italy) to evaluate the influence of defoliation around cluster zones on grape and wine quality. Nero di Troia grapes were subjected to four different treatments: N: no leaf removal; E: leaf removal in the area of the clusters along the east side (at complete veraison); E/W: leaf removal in the area of the clusters along the east and west side (at complete veraison); and F: almost complete leaf removal along the west side (at complete veraison) and at pre-harvest also along the east side. Grapes of defoliated vines generally showed higher sugar content, lower titratable acidity, total flavonoids, flavonoids different from anthocyanins, and total phenolic content than grapes from non-defoliated vines while their total anthocyanin concentration was not affected by defoliation at a significant level. Concerning wines, alcohol content, residual soluble solids, different forms of anthocyanins but also volatile acidity were generally higher in samples from defoliated vines. Differences were also highlighted among the defoliation treatments: the best results in terms of dry matter, sugar and alcohol content were observed in the samples submitted to the more severe defoliation as a consequence of the higher light availability and berry temperature. Concerning the concentration of the individual phenolics, significant differences were highlighted for: caffeic and caftaric acids, peonidin- and malvidin-3-p-coumaroylglucoside, which were higher in the E wines; quercetin-3-glucoside, galactoside, and rhamnoside, and procyanidins, which were higher in F wines.
Antonietta Baiano; Antonio De Gianni; Maria Assunta Previtali; Matteo Alessandro Del Nobile; Vittorino Novello; Laura De Palma. Effects of defoliation on quality attributes of Nero di Troia ( Vitis vinifera L.) grape and wine. Food Research International 2015, 75, 260 -269.
AMA StyleAntonietta Baiano, Antonio De Gianni, Maria Assunta Previtali, Matteo Alessandro Del Nobile, Vittorino Novello, Laura De Palma. Effects of defoliation on quality attributes of Nero di Troia ( Vitis vinifera L.) grape and wine. Food Research International. 2015; 75 ():260-269.
Chicago/Turabian StyleAntonietta Baiano; Antonio De Gianni; Maria Assunta Previtali; Matteo Alessandro Del Nobile; Vittorino Novello; Laura De Palma. 2015. "Effects of defoliation on quality attributes of Nero di Troia ( Vitis vinifera L.) grape and wine." Food Research International 75, no. : 260-269.
Alberto Cugnetto; Laura Santagostini; Luca Rolle; Silvia Guidoni; Vincenzo Gerbi; Vittorino Novello. Tracing the “terroirs” via the elemental composition of leaves, grapes and derived wines in cv Nebbiolo (Vitis vinifera L.). Scientia Horticulturae 2014, 172, 101 -108.
AMA StyleAlberto Cugnetto, Laura Santagostini, Luca Rolle, Silvia Guidoni, Vincenzo Gerbi, Vittorino Novello. Tracing the “terroirs” via the elemental composition of leaves, grapes and derived wines in cv Nebbiolo (Vitis vinifera L.). Scientia Horticulturae. 2014; 172 ():101-108.
Chicago/Turabian StyleAlberto Cugnetto; Laura Santagostini; Luca Rolle; Silvia Guidoni; Vincenzo Gerbi; Vittorino Novello. 2014. "Tracing the “terroirs” via the elemental composition of leaves, grapes and derived wines in cv Nebbiolo (Vitis vinifera L.)." Scientia Horticulturae 172, no. : 101-108.
Susana Río Segade; Simone Giacosa; Fabrizio Torchio; Laura DE Palma; Vittorino Novello; Vincenzo Gerbi; Luca Rolle. Impact of different advanced ripening stages on berry texture properties of ‘Red Globe’ and ‘Crimson Seedless’ table grape cultivars (Vitis vinifera L.). Scientia Horticulturae 2013, 160, 313 -319.
AMA StyleSusana Río Segade, Simone Giacosa, Fabrizio Torchio, Laura DE Palma, Vittorino Novello, Vincenzo Gerbi, Luca Rolle. Impact of different advanced ripening stages on berry texture properties of ‘Red Globe’ and ‘Crimson Seedless’ table grape cultivars (Vitis vinifera L.). Scientia Horticulturae. 2013; 160 ():313-319.
Chicago/Turabian StyleSusana Río Segade; Simone Giacosa; Fabrizio Torchio; Laura DE Palma; Vittorino Novello; Vincenzo Gerbi; Luca Rolle. 2013. "Impact of different advanced ripening stages on berry texture properties of ‘Red Globe’ and ‘Crimson Seedless’ table grape cultivars (Vitis vinifera L.)." Scientia Horticulturae 160, no. : 313-319.
The visual attributes of table grapes, their chemical constituents, and mechanical properties are involved in consumer acceptability because they are correlated to sensory perception. Usually, instrumental measurements are preferred to the sensory evaluations because they reduce variations in subjective judgments and can be carried out more easily. In this work, chemical-physical attributes and texture properties of five black table grapes (Alphonse Lavallée, Black magic, Cardinal, Perlon, Regina nera) were studied in order to identify significant varietal differences. Spectrophotometric and HPLC methods and texture analysis test were used to evaluate color index, sugars and acid composition, phenolic characteristics, and mechanical properties of the skin and the pulp of berries. Many differences were found among varieties in technological maturity indexes, hydroxycinnamic acid, anthocyanin content and profile, and relative CIE L*, a*, b* parameters, but the more relevant differences were found in mechanical properties. Principal component analysis showed that the texture profile analysis parameters (hardness, cohesiveness, gumminess, and resilience) and berry skin characteristics (break skin energy, skin modulus of elasticy) were the best indices able to fulfill the aim of this work. Almost all of the parameters showed differences among cultivars, confirming their importance in the characterization of the variety as well as in the assessment of potential consumer acceptability. In particular, the cultivars demonstrated different reactions to the compression test; thus, the texture analysis parameters can be appropriate to explain varietal differences and to allow their differentiation.
L. Rolle; S. Giacosa; Vincenzo Gerbi; M. Bertolino; Vittorino Novello. Varietal Comparison of The Chemical, Physical, and Mechanical Properties of Five Colored Table Grapes. International Journal of Food Properties 2013, 16, 598 -612.
AMA StyleL. Rolle, S. Giacosa, Vincenzo Gerbi, M. Bertolino, Vittorino Novello. Varietal Comparison of The Chemical, Physical, and Mechanical Properties of Five Colored Table Grapes. International Journal of Food Properties. 2013; 16 (3):598-612.
Chicago/Turabian StyleL. Rolle; S. Giacosa; Vincenzo Gerbi; M. Bertolino; Vittorino Novello. 2013. "Varietal Comparison of The Chemical, Physical, and Mechanical Properties of Five Colored Table Grapes." International Journal of Food Properties 16, no. 3: 598-612.
The impact of cluster heterogeneity on mechanical properties, chromatic indices and chemical composition of Italia table grape berries sorted by flotation was evaluated in this study. The density sorting at commercial harvest permitted to get berries of different ripeness and relatively different quality attributes. Individually, some grape chromatic characteristics, physical characteristics (weight of the whole berry and berry skin), content and composition of reducing sugars, organic acids and phenolic compounds (flavanols of low molecular mass in berry skins) permitted to characterise and to differentiate berries belonging to different density classes. However, the tested mechanical properties were not related to the berry density. When the variables that significantly contributed to the berry differentiation were globally assessed, the chemical parameters related to sugars (142.3–164.4 g kg−1), content of skin oligomeric flavanols [46.3–137 mg (+)‐catechin kg−1], berry skin weight (379–607 mg), yellow/blue colour component (26.31–29.96) and chroma (26.40–30.06) were the more representative.
Susana Río Segade; Simone Giacosa; Laura DE Palma; Vittorino Novello; Fabrizio Torchio; Vincenzo Gerbi; Luca Rolle. Effect of the cluster heterogeneity on mechanical properties, chromatic indices and chemical composition of Italia table grape berries (Vitis viniferaL.) sorted by flotation. International Journal of Food Science & Technology 2012, 48, 103 -113.
AMA StyleSusana Río Segade, Simone Giacosa, Laura DE Palma, Vittorino Novello, Fabrizio Torchio, Vincenzo Gerbi, Luca Rolle. Effect of the cluster heterogeneity on mechanical properties, chromatic indices and chemical composition of Italia table grape berries (Vitis viniferaL.) sorted by flotation. International Journal of Food Science & Technology. 2012; 48 (1):103-113.
Chicago/Turabian StyleSusana Río Segade; Simone Giacosa; Laura DE Palma; Vittorino Novello; Fabrizio Torchio; Vincenzo Gerbi; Luca Rolle. 2012. "Effect of the cluster heterogeneity on mechanical properties, chromatic indices and chemical composition of Italia table grape berries (Vitis viniferaL.) sorted by flotation." International Journal of Food Science & Technology 48, no. 1: 103-113.
The texture, color, and chemical characteristics of 10 white table-grape varieties were compared: Delizia del Vaprio, Matilde, Moscato di Terracina, Pansé precoce, Pizzutello bianco, Regina, Regina dei vigneti, Sublima seedless, Sultanina (or Thompson Seedless), and Vincere. Consumer acceptability of table grapes depends on such factors as visual attributes, chemical constituents, nutritive values, mechanical properties, and, obviously, sensory attributes, which are affected by the cultivar. Notable differences among the studied varieties were found in CIRG (color index of red grapes), solid soluble content, malic acid, hydroxycinnamic acid, and the amount of total polyphenols. However, the mechanical parameters of berries, as determined by texture profile analysis, and berry skin characteristics, evaluated by puncture testing, were the most important properties for the differentiation of varieties. In particular, PCA analysis indicated that hardness, gumminess, chewiness, break skin force, break skin energy, and Young’s modulus of elasticity of skin were the best indices with which to characterize the varieties. These results may help viticulture and postharvest professionals recognize the behavior of each variety and thus better respond to the consumer market.
Luca Rolle; Simone Giacosa; Vincenzo Gerbi; Vittorino Novello. Comparative Study of Texture Properties, Color Characteristics, and Chemical Composition of Ten White Table-Grape Varieties. American Journal of Enology and Viticulture 2010, 62, 49 -56.
AMA StyleLuca Rolle, Simone Giacosa, Vincenzo Gerbi, Vittorino Novello. Comparative Study of Texture Properties, Color Characteristics, and Chemical Composition of Ten White Table-Grape Varieties. American Journal of Enology and Viticulture. 2010; 62 (1):49-56.
Chicago/Turabian StyleLuca Rolle; Simone Giacosa; Vincenzo Gerbi; Vittorino Novello. 2010. "Comparative Study of Texture Properties, Color Characteristics, and Chemical Composition of Ten White Table-Grape Varieties." American Journal of Enology and Viticulture 62, no. 1: 49-56.
V. Novello; L. De Palma. GROWING GRAPES UNDER COVER. Acta Horticulturae 2008, 353 -362.
AMA StyleV. Novello, L. De Palma. GROWING GRAPES UNDER COVER. Acta Horticulturae. 2008; (785):353-362.
Chicago/Turabian StyleV. Novello; L. De Palma. 2008. "GROWING GRAPES UNDER COVER." Acta Horticulturae , no. 785: 353-362.