Terroir 2006 banner
IVES 9 IVES Conference Series 9 The impact of differences in soil texture within a vineyard on vine development and wine quality

The impact of differences in soil texture within a vineyard on vine development and wine quality

Abstract

Marlborough Sauvignon Blanc has rapidly gained an international reputation for style and quality. The extent to which this can be attributed to the climate, soils or vineyard management is at present unclear. However, the young alluvial soils of the Wairau Plains are considered to play an important role in determining this unique wine style. Marked changes in soil texture occur on the Wairau Plains over short distances. These changes reflect the historical braided nature of the Wairau River, and often run at right angles (east-west) to the north-south orientation of vineyard rows. Trunk circumferences were measured on whole rows of vines in a vineyard on the Wairau Plains to identify vines exhibiting different vigour levels. Vine vigour as reflected by trunk circumference and pruning weight was increased with the depth to gravel, while fine root density was greater in the gravelly phases of the soil profile. Vine phenology was more advanced where vines were growing on gravelly soils, in particular time of flowering (by 3 days), veraison (by 7 days), soluble sugars at harvest (by 11 days) and the onset of leaf senescence (by 60 days). We conclude that within a vineyard, the higher the proportion of gravelly soils, the more advanced the vine phenology and the riper the fruit and ultimately wine style will be on a particular date.

Download the PDF

DOI:

Publication date: December 22, 2021

Issue: Terroir 2006

Type: Article

Authors

Michael TROUGHT (1), Robyn DIXON (1), Tim MILLS (2), Marc GREVEN (3), Robert AGNEW (3), Jeffrey L. MAUK (2) and John-Paul PRAAT (4)

(1) Marlborough Wine Research Centre, PO Box 845, Blenheim, New Zealand
(2) Auckland University, Auckland, New Zealand
(3) HortResearch, Marlborough Wine Research Centre, Blenheim, New Zealand
(4) Lincoln Ventures Ltd., Hamilton, New Zealand

Contact the author

Keywords

terroir, Sauvignon Blanc, soil texture, fruit development, vine phenology

Tags

IVES Conference Series | Terroir 2006

Citation

Related articles…

Application of zoning for wine production, digitalisation and traceability

Depuis la création des outils d’amélioration et de suivi de la qualité, le CREDO développe et réalise des zonages de potentialités viticoles.
Read More

Unveiling a hidden link: does time hold the key to altered spectral signatures of grapevines under drought?

Remote sensing technology captures spectral data beyond the visible range, making it useful for monitoring plant stress. Vis-NIR (Visible-Near Infrared) spectroscopy (400-1000 nm) is commonly used to indirectly assess plant status during drought. One example is the widespread use of normalized difference vegetation index (NDVI) that is strongly linked to green biomass. However, a knowledge gap exists regarding the applicability of this method to all the drought conditions and if it is a direct correlation to the water status of the plant.

Read More

The role of phytoplasma effector interaction with phosphoglucomutase in the pathogenicity of ‘Candidatus Phytoplasma solani’ in grapevine 

Bois noir is the most widespread phytoplasma grapevine disease in Europe. It is associated with ‘Candidatus Phytoplasma solani’. In symptomatic grapevines cv. ‘Zweigelt’ infected with ‘Ca. P. solani’ compared with uninfected grapevines, metabolic pathways associated with phosphorylated sugar production were induced both at the transcriptional level and at the level of activity of the corresponding enzymes (Dermastia et al., 2021, Int. J. Mol. Sci. 22: 3531). In particular, the expression of gene coding for phosphoglucoisomerase was upregulated, resulting in increased phosphoglucoisomerase enzyme activity.

Read More

Methoxypyrazine concentrations in grape-bunch rachis are influenced by rootstock, region, light, and scion.

Methoxypyrazines (MPs) are readily extracted from grape berry and rachis during fermentation and can impart “green” and “herbaceous” sensory attributes to wine. Irrespective of whether MPs, including 3-isobutyl-2-methoxypyrazine (IBMP), 3-isopropyl-2-methoxypyrazine (IPMP), and 3-sec-butyl-2-methoxypyrazine (SBMP), are extracted from berry or other vine material, techniques for remediation of wine with overpowering sensory characters attributable to MPs suffer from poor specificity or produce undesirable sensory outcomes, meaning that alternative control approaches are needed.

Read More

Agronomic and qualitative behaviour of cv. Tempranillo according to three vine spacing on two different hydric-edaphic situations in the Duero river valley

The knowledge of the influence of soil conditions on the effects that different plant densities provoke in the agronomic grapevine behaviour becomes very interesting since it allows to focus the vineyard management on the optimization of the natural, hydric and human resources.

Read More