Yield and must composition of 'Cabernet Sauvignon' grapevines subjected to nitrogen application in soil with high organic matter content

Oliveira-Stefanello, Lincon; Schwalbert, Raíssa; De-Conti, Lessandro; Tassinari, Adriele; Paula-Garlet, Luana; Lourenzi, Cledimar Rogério; Comin, Jucinei José; Loss, Arcângelo; Schmitt, Djalma Eugênio; Borghezan, Marcelo; Ambrosini, Vítor Gabriel; Brunetto, Gustavo

doi:10.4067/s0718-34292019000200027

Cited by 3 publications

(1 citation statement)

References 14 publications

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“…Owing to such a stability, the leaf composition diagnosis, allows adjustments of fertilization programs. In grapevines, leaf collection is suggested at full flowering or at berry veraison [8].…”

Section: Introductionmentioning

confidence: 99%

Compositional Nutrient Diagnosis (CND) Applied to Grapevines Grown in Subtropical Climate Region

et al. 2020

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Soil analysis is used to estimate nutrient availability, but nutrient concentrations are not always related to yield in most fruit plants, including grapevines. Thus, additional multivariate mathematical models, such as the compositional nutrient diagnosis (CND), which takes into account leaves nutrient concentration, and yield, can contribute to estimating critical levels or sufficiency bands of elements, as well as to detect deficiency and/or excess of nutrients. The aim of the present study was to establish CND standards, and the critical level and sufficiency band of nutrients, in the grapevine Vitis vinifera L., grown in a subtropical climate region. Leaves were collected in 81 vineyards in the Campanha Gaúcha do Rio Grande do Sul region, Southern Brazil, and analyzed for macro- and micro-nutrient concentration. The yield of each vineyard was assessed. Grapevine nutritional status was calculated through the CND method. CND-r2 indices were effective in establishing the nutritional status of grapevines for macro- and micro-nutrients as sub-optimal, excessive, or balanced. The CND methodology established the critical level and sufficiency bands of nutrients more accurately than the current recommendations for grapevines. Multi-nutrient associations were more effective than the single nutrient determination in defining the threshold of a given nutrient that can reduce grapevine yield.

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Section: Introductionmentioning

confidence: 99%

Compositional Nutrient Diagnosis (CND) Applied to Grapevines Grown in Subtropical Climate Region

et al. 2020

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Reduced nitrogen fertilization from pre-flowering to pre-veraison alters phenolic profiles of Vitis vinifera L. Cv. Cabernet Gernischt wine of Yantai, China

Song,

Zhang,

Gao

et al. 2023

Food Research International

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Application of foliar urea to grapevines: productivity and flavour components of grapes

Gutiérrez‐Gamboa

Diez-Zamudio

Stefanello

et al. 2021

Aust J Grape and Wine Res

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Urea is a non‐electrically charged nitrogen (N) molecule suitable for foliar application, since it easily penetrates the epicuticular waxes and the cutin layer of leaves. Several field trials have been conducted to understand how foliar application of urea to grapevines may affect yield and grape composition compared to other N fertilisers. The effectiveness of foliar application of urea to change the flavour components of grapes depends on the N status of the grapevines related to crop load and the timing of the foliar application, which could also play a key role in basal bud fertility and stored N reserves. The application of foliar urea to grapevines may affect the concentration of N, volatile compounds, and phenolic substances in grapes without influencing yield and its components in the short term. During alcoholic fermentation, grape N concentration favours the production of non‐volatile and volatile compounds that affect wine attributes, aroma, bitterness, and astringency. Other N‐compounds such as biogenic amines may also be formed in wines which can be toxic to the consumer. Gene expression related to grapevine N metabolism and the identification of putative chemical markers in red and white wines after foliar N application deserves further investigation. This review aimed to evaluate the factors involved in N uptake by leaves after foliar urea fertilisation, to summarise effects on grapevine yield components and grape composition and to provide also research options for future studies in this area.

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Yield and must composition of 'Cabernet Sauvignon' grapevines subjected to nitrogen application in soil with high organic matter content

Abstract: Yield and must composition of 'Cabernet Sauvignon' grapevines subjected to nitrogen application in soil with high organic matter content Rendimiento y composición del mosto 'Cabernet Sauvignon' sometido a aplicación de nitrógeno en suelos con alto contenido de materia orgánica

Cited by 3 publications

References 14 publications

Compositional Nutrient Diagnosis (CND) Applied to Grapevines Grown in Subtropical Climate Region

Compositional Nutrient Diagnosis (CND) Applied to Grapevines Grown in Subtropical Climate Region

Reduced nitrogen fertilization from pre-flowering to pre-veraison alters phenolic profiles of Vitis vinifera L. Cv. Cabernet Gernischt wine of Yantai, China

Application of foliar urea to grapevines: productivity and flavour components of grapes

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