Hierarchy of Factors Impacting Grape Berry Mass: Separation of Direct and Indirect Effects on Major Berry Metabolites

Triolo, Roberta; Roby, Jean Philippe; Plaia, Antonella; Hilbert, Ghislaine; Buscemi, Simona; Lorenzo, Rosario Di; Leeuwen, Cornelis van

doi:10.5344/ajev.2017.16087

Cited by 18 publications

(20 citation statements)

References 25 publications

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“…This was observed for berries produced on I and NI vines. Berry mass is impacted by several factors, in particular vine water status, vine nitrogen status and seed number . Seed number depends in particular on climatic conditions during flowering and fruit set .…”

Section: Discussionsupporting

confidence: 90%

“…In order to validate the hypothesis of the absence of a δ 13 C variability within a bunch (between berries) and within a plant (between bunches) a preliminary test was carried out. Results of the test confirmed the hypothesis that all berries belonging to the same bunch are characterized by the same water status, which is related to the soil water holding capacity of the block and plant root system development . Therefore, in the present study δ 13 C measurements were carried on grape juice extracted from six individual berries collected at harvest in a random way on different parts of three individual bunches per block (18 berries per block).…”

Section: Methodsmentioning

confidence: 99%

“…Results of the test confirmed the hypothesis that all berries belonging to the same bunch are characterized by the same water status, which is related to the soil water holding capacity of the block and plant root system development. 34 Therefore, in the present study 13 C measurements were carried on grape juice extracted from six individual berries collected at harvest in a random way on different parts of three individual bunches per block (18 berries per block). Thus, 5 μL of berry juice were located in a tin capsule and dried.…”

Section: Irrigation Treatment and Vine Water Status Assessmentmentioning

confidence: 99%

“…Previous studies showed that final berry mass is the result of the integrated effect of biotic and abiotic factors, that affect cell number and/or cell volume . Among them, genotype is certainly a major factor determining berry size .…”

Section: Introductionmentioning

confidence: 99%

“…3,6 Previous studies showed that final berry mass is the result of the integrated effect of biotic and abiotic factors, that affect cell number and/or cell volume. [11][12][13] Among them, genotype is certainly a major factor determining berry size. 14 Other factors are intrinsic to the berry itself, such as seed content per berry, 5,6 or related to the carbon balance of the vine.…”

Section: Introductionmentioning

confidence: 99%

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Impact of vine water status on berry mass and berry tissue development of Cabernet franc (Vitis vinifera L.), assessed at berry level

et al. 2019

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BACKGROUND Berry size is considered an important quality factor in red wine production. The objective of this work was to study the effect of vine water status on berry mass in field conditions, with a specific focus on berry tissue masses. RESULTS The study was carried out over 2 years in a plot located in Sicily (Italy). Two irrigation treatments were established. Dynamic evolution of berry mass and berry tissue masses at harvest were recorded. Berries produced under water deficit conditions were smaller and characterized by a higher skin‐to‐flesh ratio. However, this ratio did not change when berry mass varied independently from vine water status, showing coordinated growth of flesh and skin under these conditions. CONCLUSION The implications of berry size on skin‐to‐flesh ratios depend on the factor causing berry size differences. This finding might question the conclusions of most research trying to demonstrate that berry size is, or is not, an important parameter for quality. The factors impacting berry size are likely to differ according to the scale considered. This highlights the importance of investigating the causal effects of varying berry size, before possibly discussing the potential effects on fruit composition and, subsequently, wine quality. Berries produced by grapevines facing water deficit have a higher skin‐to‐flesh ratio. Hence, limited water conditions, represent a powerful tool to increase the concentration of major solutes involved in wine quality, which are located in berry skins rather than in berry flesh. © 2019 Society of Chemical Industry

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Section: Discussionsupporting

confidence: 90%

Section: Methodsmentioning

confidence: 99%