terclim by ICS banner
IVES 9 IVES Conference Series 9 Fertilization with Seaweed (Laminaria japonica) on the characteristics of the bunch and the quality of the grape must of ‘Cabernet Sauvignon’

Fertilization with Seaweed (Laminaria japonica) on the characteristics of the bunch and the quality of the grape must of ‘Cabernet Sauvignon’

Abstract

The objective of the present work was to study the influence of the foliar application of seaweed (Laminaria japonica), on the bunch and on the must in the ‘Cabernet Sauvignon’ grape. The experiment was carried out in the years 2021/2022, in a 21-year-old commercial vineyard, in the municipality of “Dom Pedrito” – “Rio Grande do Sul” (RS). A completely randomized experimental design was used, with 4 treatments and 4 replications (7 plants per replication). The treatments were: T1- control treatment; T2- Exal Powder 5 g L-1; T3- Hidro Exal 15 ml L-1; T4- Exal Powder 5 g L-1+ Hidro Exal 15 ml L-1. Six applications were performed (every 15 days). The following were evaluated in the bunch: length (cm), width (cm), weight (g) and number of berries. Using the WineScanTM SO2 equipment (FOSS®, Denmark), the following were evaluated in the must: sugars (g L-1), pH, tartaric acid (g L-1), malic acid (g L-1), gluconic acid (g L-1), ammonia (mg L-1), potassium content (mg L-1). For all treatments and all variables analyzed, no statistical difference was obtained. It is preliminarily concluded that the application of foliar fertilizer based on seaweed (Laminaria japonica) did not influence the analyzed characteristics of the bunch and must of the ‘Cabernet Sauvignon’ vines.

Acknowledgements: To the Company “Algas” América Latina Agricultura Sustentável (ALAS), in the names of its managing partners, Luis Augusto Bennemann de Souza and Fernando Carbonari Collares, for the donation of organic fertilizer composed of Marine Algae (Exal), and for the contribution with some inputs to the execution of this research.

DOI:

Publication date: June 13, 2024

Issue: Open GPB 2024

Type: Poster

Authors

Juan Saavedra del Aguila1*, Darla Corrêa Machado1, Joana Darque Ribeiro Ozorio1, Elizete Beatriz Radmann1, Wellynthon Machado da Cunha1, Jansen Moreira Silveira1, Lília Sichmann Heiffig-del Aguila2

1 Federal University of Pampa (UNIPAMPA)/Campus Dom Pedrito, Bachelor’s Degree in Enology
2 Embrapa Temperate Climate

Contact the author*

Keywords

Vitis vinifera, sustainability, organic fertilizer, organic viticulture, climate change

Tags

IVES Conference Series | Open GPB | Open GPB 2024

Citation

Related articles…

Preliminary studies on polyphenol assessment by Fourier transform-near infrared spectroscopy (FT-NIR) in grape berries

NIR spectroscopy has widely been tested in viticulture as powerful alternative to traditional analytical methods in the field of quality evaluation. NIR instruments have been used for assessing must and wine quality features in several works, but little information regarding their application on whole berries for polyphenol determination is available.

Elementi in traccia e ultratraccia nell’uva: possibili applicazioni ai fini della tracciabilità geografica

Nel presente studio si è ricercata la possibilità di associare l’uva al territorio mediante parametri chimici indipendenti da variabili climatiche ed antropiche.

Impact of reduction alcohol techiniques in the aromatic chemical profile of rosé Tempranillo wines

Studying the impact of reducing alcohol techniques in the chemical composition of the aromatic profile of rosé Tempranillo wines from the spanish region of Castilla-La Mancha INTRODUCTION: In the last decades there has been an increseasing demand of wines with low or non-existing alcohol concentration due to the negative effects that alcohol has in health. In spite of that, there are not laws that protect these products, and there is also a great difficulty in the elaboration of these type of wines due to the increasing temperatures because of climate change. This is why the oenological industry has made great advances in the development of different techniques that could satisfy consumers’ demands without modifying wine quality. The most used techniques have been post-fermentative ones.

Circular economy strategies to reintegrate grape pomace from cv. Lagrein into the food chain

The project REALISM (regionality and circular economy in food products to counteract the Metabolic Syndrome (M.S.)) was initiated to develop antioxidant-rich food products with the ability to reduce the risk of developing the M.S.

Understanding wine as a sensory, emotional, and cognitive experience to promote and communicate conscious consumption

In the complex scenario that the wine industry and its promotion are currently facing, this research proposes a theoretical expansion of the traditional model used to understand the wine experience, namely the classic sensory, emotional and cognitive triad, moving toward a multidimensional approach that also incorporates cultural, symbolic and contextual dimensions in order to comprehend the conscious experience.