terclim by ICS banner
IVES 9 IVES Conference Series 9 International Congress on Grapevine and Wine Sciences 9 2ICGWS-2023 9 Plastic debris at vines: carriers of pollutants in the environment?

Plastic debris at vines: carriers of pollutants in the environment?

Abstract

Modern agriculture employs large amounts of plastics, such as mulching and greenhouse films, thermal covers, plant protection tubes and tying tape. The latter two types are very common in viticulture. Guard tubes are employed to protect young vines from mechanic and atmospheric damage, whilst polymeric tying tape has replaced natural-origin materials to hold the canopy of vines. Both materials are made on synthetic polymers, which include a range of additives to improve their environmental stability remaining in the environment of vineyards for years. During this time, they are exposed to the range of pesticides (fungicides, insecticides and in a lesser extend herbicides) applied to vines. Tying tape fits within the category of meso-plastics, difficult to recover due to their abundance and limited size. After pruning, most of the tying tapes end in the soil of vineyards. Both types of materials are potential sources of microplastics during aging.

Depending on the affinity between pesticides and plastics, the latter can act as reservoirs of this kind of pollutants, contributing to their delayed release in the environment of vineyards, and/or serving as carriers of pesticides into the trophic web, and/or into surface waters due to wind and run-off transport. This presentation deals with the characterization of plastic debris collected from vineyards. Thus, the presence of pesticides residues in this matrix were determined, including a comparison with their levels in soil, and the study of the sorption/desorption processes of pesticides in new and aged samples of different types of vineyard plastics.

Residues of pesticides in plastic litter, collected from conventionally managed vineyards, varied from 100 ng g-1 to more than 10000 ng g-1. The range of compounds remaining in this matrix included not only moderately lipophilic pesticides, but also medium polarity species, i.e. metalaxyl, carbendazim and dimethomorph. The strength of interaction between pesticides and the two main types of plastic residues identified in vineyards (PE and PP) was mostly controlled by the degree of polymer weathering, which was characterized by FTIR in the total attenuated reflectance mode (ATR).

Acknowledgements: M.C. acknowledges a FPI contract to the Spanish Ministry of Science and Innovation. Funds received from Xunta de Galicia (project ED431C2021/06) are acknowledged.

DOI:

Publication date: October 5, 2023

Issue: ICGWS 2023

Type: Article

Authors

I. Rodríguez1*, M. Cobo-Golpe1, G.R. Gutierrez1, J. Álvarez1, V. Fernández1, P. Blanco2, M. Ramil1

1 Department of Analytical Chemistry, Nutrition and Food Sciences, IAQBUS – Institute of Research on Chemical and Biological Analysis, Universidade de Santiago de Compostela, R/Constantino Candeira SN, 15782 Santiago de Compostela, Spain
2 Estación de Viticultura e Enoloxía de Galicia (EVEGA-AGACAL), Ponte San Clodio s/n, 32428, Leiro-Ourense

Contact the author*

Keywords

plastic litter, vineyards, pesticides, occurrence, desorption

Tags

2ICGWS | ICGWS | ICGWS 2023 | IVES Conference Series

Citation

Related articles…

The potential of some native varieties of Argentina for the production of sparkling wines. Effect of lees contact time 

Grapevine varieties from South-America, commonly known as criollas, originated because of the natural crossbreeding of grapevine varieties brought by the Spaniards. The objective of this work was to evaluate the potential of some varieties to produce sparkling wines considering the effect of lees contact time. The following varieties were used: Moscatel Rosado, Criolla Chica, Pedro Gimenez, Blanca Oval, Canelón, and the European variety Chardonnay (control), planted in the ampelographic collection of EEA Mendoza INTA (Argentina). Pilot-scale vinifications were carried out to obtain the base wines, in 20 L glass containers. The second fermentation was performed through the traditional method.

Optimization of the ripening time of new varieties descendants of Monastrell

Given the impact of climate change on viticulture in the Region of Murcia, this paper attempts to expose the possibility of using genetic improvement as a dilemma that allows access to new descendant varieties of the autochthonous variety Monastrell crossed with varieties such as Syrah and Cabernet. Sauvignon, thus obtaining hybrids (Gebas and Myrtia). In it, the chromatic parameters and the phenolic profile of the new varieties will be compared with those obtained by the Monastrell variety at two moments during maturation (12 and 14 º Baumé), to check if the results would allow earlier harvests in these new varieties thus avoiding the decoupling between phenolic and technological maturity, while improving the quality of grapes and wines.

Phenolic composition profile of cv. Tempranillo wines obtained from severe shoot pruning vines under semiarid conditions

One of the limitations of vineyards in warm areas is the loss of wine quality due to higher temperatures during the grape ripening period. In order to adapt the vineyards to these new climatic conditions, a possible solution is to delay the ripening process of the grapes towards periods with milder temperatures, by means of management practices and thus improve the quality of the fruit and the wine produced. The technique of severe shoot pruning (SSP) has proven useful in achieving this objective.

INTEGRAPE guidelines and tools: an effort of COST Action CA17111

INTEGRAPE was a European interdisciplinary network for “data integration to maximize the power of omics for grapevine improvement” (CA17111, https://integrape.eu/), funded by the European COST Association from September 2018 to 2022. This Action successfully developed guidelines and tools for data management and promoted the best practices in grapevine omics studies with a holistic future vision of: “Imagine having all data on grapevine accessible in a single place”.

Teinturier grapes: Valorization as a source of high-value compounds for the Chilean food industry

The agri-food industry is constantly searching for ingredients of high functional value, healthy and of natural origin. One species of particular interest is Vitis vinifera, due to its recognized antioxidant potential. Among the grape varieties, one group possesses these antioxidant compounds not only in the skin, but also in its pulp: Teinturier. The red grape has traditionally been used for color correction purposes in winemaking, however, its high antioxidant content transforms it into a raw material of high potential for new formulations of ingredients and foods for the health and wellness market.