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Page 1: Sustainable oenology and viticulture: new strategies and ... · Sustainable oenology and viticulture: new strategies and trends in wine production Dr. Vassileios Varelas ... Basic

Sustainable oenology and viticulture:

new strategies and trends in wine production

Dr. Vassileios Varelas

Oenologist-Agricultural Engineer

Wine and Vine Consultant

Sweden

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Aim of the presentation

Offer a new perspective for

the Nordic wine

Inspiration and food for

thought for an emerging wine

region

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Sustainability=Αειφορία

Αεί= always

Verb “φέρω”= produce,

yield, bring in

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Winery Sustainability

A set of practices that are not only

ecologically sound, but also

economically viable and socially

responsible (Zucca et al., 2009)

The use of natural ecosystems and

energy sources to ensure future

quality, productivity and

environmental balance

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The sustainability concept:

Basic principles

Environmentally sound

Economically viable

Socially responsible

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Sustainable wine: these principles

need to be translated into a set of

daily operations and vine growing and winemaking practices

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Sustainable winemaking

Sustainability

Organic Biodynamic

Integrated

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New trends and examples in

sustainable winemaking

Sustainable winemaking

programs

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1. California Sustainable

Winegrowing Program

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The “triangle” of the California

sustainable winemaking

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Vision

1. Be environmental friendly

2. Respond to the needs and

interests of the biggest part of the

society

3. They will be economically feasible

so they can be implemented and

maintained for future generations

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Areas of adopted

sustainable practices

Water conservation and quality

Viticulture

Soil management

Vineyard water management

Soil health maintenance

Energy efficiency

Pest management

Conservation of biodiversity

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Wine quality

Ecosystem management

Material handling

Solid waste reduction and

management

Environmentally preferred

purchasing

Protection of air and water quality

Human resources

Neighbors and community

Air quality

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Knowledge tools

Sustainable Winegrowing

Workbook Topics

Education-Seminars

Research

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Certified California Sustainable

Winegrowing (CCSW)

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Certification body: SIP

(Sustainability in Practice)™

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New Zealand

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Towards 100% Sustainability

The aim of this policy is to

encourage the adoption of the

sustainable production model

while recognizing environmental

quality assurance systems (ISO

14000) as well as viticulture

practices (organic and

biodynamic)

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To be an integral part of the country's wine production in the future.

To be part of the future positive development of the New Zealand’s Wine Industry

and target for 100% viticulturists and winemakers operating under approved and independent Sustainable Development Programs

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Australia

SUSTAINABLE AUSTRALIA WINEGROWING – SAW

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Sustainable Wine South

Africa (SWSA)

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Austria

Austrian Winegrowers

Association

Certified Sustainable

winemaking

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Chile

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Ontario-Canada

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Technologies and practices

for sustainable viticulture

Integrated, organic, biodynamic

Precision viticulture tools: water, soil, nutrients management, right and precis design and establishment of new vineyards

Optimum use of spraying with agrochemicals for pest control

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Vineyard-floor management

strategies, such as weed control and

cover-cropping Planted cover crops in the middles

between vine rows

Affects soil and crop productivity

Strengthens the weed control

Smith et al., 2008

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Selection of grape varieties, rootstocks

and clones that resist better against

frost and low temperatures

Maybe vine rootstocks after induced

low temperature stress???

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Technologies and practices

for sustainable winemaking

Organic, biodynamic,

natural wines

lower-alcohol wines

Bottling wine at destination

instead of shipping heavy

glass bottles

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Use of innovative bottling

materials: biodegradable

and edible wine bottles,

compostable, non-plastic

glasses made from corn

starch, or other bio-

polymers

label-less bottles that

smartphones can scan to

get detailed information

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Innovative technologies for

sustainable winemaking

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Innovative Wine Machinery

High level of automatism

Reduction of energy

Optimization of specific

phases of the wine making

process

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Biotechnologies applied to

yeasts

Adding selected yeasts

that empathize the terroir

Emphasis in the local wine

characteristics

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Use of indigenous ‘wild’ microflora

Isolation and use of

indigenous yeast and

bacteria strains in wine

fermentations

Strengthen of the

microbial terroir of a region

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Vine trees appear less

susceptible to fungal and

other diseases

Wine styles don’t become

standardized

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Sensors and Biosensors

Monitoring wine quality

parameters during the

wine making

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Alternative wine making

techniques

Use of bio-protectants-less

SO2

Use of cryotolerant yeast

Fermentation at low

temperatures 10-15oC

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Use of immobilized yeast cells-

sparkling wine production

Tataridis et al., 2006

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Valorization of winery by-

products

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Vine by-products

V. Varelas, 2016

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Wine by-products

V. Varelas, 2016

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Yeast β-glucan from yeast

biomass waste (Varelas et al.,

2016) (University of Athens,

Dept. of Chemistry)

Yeast β-glucan from red wine with wine polyphenols

Yeast β-glucan from white wine

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Valorization of grape marc

(University of Athens, Dept. of

Chemistry)

Production of bacterial

cellulose

Production of microbial

protein

Production of lactic acid

and probiotics

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Valorization of grape seeds

(University of Athens, Dept. of

Chemistry)

Production of grape seed

oil

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ProposalsCreation of a sustainable development model of

the Nordic wine sector, taking into account the climate change and the trends of the international wine market

Creation of an internal standard and a quality certificate based on the particular soil and climate conditions of each wine-growing zone of the Nordics-not imitation and copying practices by others

Redefinition and adaption of the term to the needs of the Nordic wine, a new wine brand

Established zones of integrated, organic and biodynamic viticulture

Life Cycle Cost Analysis for Sustainable Nordic Wine

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Education, seminars and

Sustainable Winegrowing

Workbooks for viticulturists and

professionals

Research funding for the

development of a “green” winery

sector

Design of future sustainable

wineries

Design of a central industrial unit

for the collection and valorization

of all vine and wine by-products

from the Nordic countries (maybe

from other too), production of high

added value products

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Sustainable Development

Model

Promotion of the culture, the

environment and the biodiversity

of the Nordics

Can be adopted easier as the

Nordic countries are moving

already towards sustainability and

environmental protection

Marketing tool for promoting

Nordic wines abroad.

Development of wine tourism

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Protection of the environmental and succession to future generations so that they can be able also to produce goods

Can be one of the major issues in the marketing strategies and consumer communication in the forthcoming years, as it has already happened in the past for grape’s variety and geographical indication (PDO wines)

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Sustainable or “green” winery

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Thank you for the attention!