Sustainable oenology and viticulture: new strategies and ... · Sustainable oenology and...
Transcript of Sustainable oenology and viticulture: new strategies and ... · Sustainable oenology and...
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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!