Berry Size and Yield Paradigms on Grapes and Wines Quality

Matthews, Mark A.; Nuzzo, Vitale

doi:10.17660/actahortic.2007.754.56

Cited by 67 publications

(79 citation statements)

References 19 publications

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“…Skin total anthocyanin (STA) content, expressed in mg/berry, was positively correlated with berry weight and 65% (R 2 ) of total variation was explained by berry size (Table 1). This is in agreement with results found by others (Ummarino & Di , 1997;Matthews & Nuzzo, 2007;Holt et al, 2008;Poni & Libelli, 2008). Skin total anthocyanins were negatively related to berry size when expressed in mg/ kg of grapes and mg/g of skin with a R 2 of 53% and 46%, respectively (Table 1).…”

Section: Resultssupporting

confidence: 94%

“…This was also found by , Walker et al (2005), Matthews & Nuzzo (2007) and Poni & Libelli (2008). No significant relationships were found between skin anthocyanins (expressed in mg/berry and mg/kg of grape) and relative skin mass and skin fresh weight:flesh or berry weight ratio.…”

Section: Discussionsupporting

confidence: 76%

“…Furthermore, these factors may also affect berry size and modify proportions of skin, flesh and seed in the grapevine berry. Differences in berry size may affect red wine quality by altering the skin:flesh ratio and modifying the amount of solutes extracted from skins during maceration Walker et al, 2005;Matthews & Kriedemann, 2006;Matthews & Nuzzo, 2007). In fact, if berry shape is considered a sphere, the berry surface:volume ratio decreases when berry size increases according to the ratio 3/radius (where surface area = 4πr 2 and volume = 4/3πr 3 ).…”

Section: Introductionmentioning

confidence: 99%

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Berry Size and Qualitative Characteristics of Vitis vinifera L. cv. Syrah

Barbagallo¹,

Guidoni²,

Hunter³

2016

SAJEV

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The effect of variation in berry size on berry composition was studied in irrigated Syrah/R99 grapevines, located in a temperate area of South Africa. Berries from 45 clusters, sampled from both sides of the canopy (east and west), were weighed to create four categories: 1. less or equal to 1.5 g; 2. between 1.51 g and 2.00 g; 3. between 2.01 g and 2.50 g; 4. more than 2.50 g. Berry physical characteristics were determined and total anthocyanins and seed flavonoids were analysed by spectrophotometry and anthocyanin profiles by HPLC. The ratio of skin weight:berry weight did not change with increasing berry size, but the ratio of seed weight:berry weight increased. For total anthocyanins, varying results were obtained if values were expressed in mg/berry, mg/g skin, mg/kg grape and mg/cm 2 skin. The quantity of total anthocyanins changed positively with increasing berry weight if expressed in mg/berry and remained almost similar if expressed in mg/cm 2 of skin. In contrast, total polyphenols decreased with berry weight if the values were expressed in mg/kg grape and in mg/g skin. Total anthocyanins expressed in mg/kg grape and in mg/g skin were correlated positively to the number of berries as well as to the total skin surface in one kilogram of grape. In this study, the largest berries seemed to have lower quality characteristics. In order to obtain better wine quality, it seems important to reduce berry weight and, in general, berry size variability of Syrah. The obtainment and continuity of a particular wine style may be affected by berry variability.

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Section: Resultssupporting

confidence: 94%

Section: Discussionsupporting

confidence: 76%

Section: Introductionmentioning

confidence: 99%

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Berry Size and Qualitative Characteristics of Vitis vinifera L. cv. Syrah

Barbagallo¹,

Guidoni²,

Hunter³

2016

SAJEV

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“…Als Grund wird das sich verschiebende Saft/Schalenverhältnis zu Gunsten der Beerenhaut und der in ihr lokalisierten Inhaltsstoffe − vor allem der Anthocyane − angeführt [9,10]. Zwar steigt mit zunehmender Größe der Beeren auch der Hautanteil und gleichzeitig die dort lokalisierten Inhaltstoffe proportional zur Beere [9], doch bei Bezug der Beerenhautinhaltsstoffe auf das Beerenfrischgewicht ergibt sich eine erhöhte Konzentration dieser Stoffe bei den kleineren Beeren [12].…”

Section: Beerengrößeunclassified

“…10 Hinsichtlich der Anzahl der Beeren liegt die Trenngrenze von 12,5 mm mit 47 zu 53% mittig. Das mittlere Beerengewicht der kleinen Beeren zum Zeitpunkt 06.10.2013 liegt mit 0,9 g zu 1,70 g um 47% niedriger als bei den großen, somit ist das Gesamtgewicht der kleinen Beeren auch entsprechend niedriger, weshalb bei den Großversuchen mit einer Trenngrenze von 13 mm gearbeitet wurde.…”

Section: Großversuchunclassified