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CULTIVATION OF CHENIN BLANCCHENIN BLANC ASSOCIATION
Outline
Introduction
Long term practices
Short term practices
Windmeul Chenin blanc
Questions
Chenin blanc in South Africa
Versatile cultivar
Suitable to most localities & areas
At present – 18 852 ha
Most ha % – Malmesbury 18% Paarl 18% Breedekloof 14%
Total Hectares -1998 to 2008
Production- 1998 to 2008
Chenin blanc
Medium to strong growth
Upright growth pattern
Budding & Harvest relatively early
Internodes short
Watershoots
Capable of high productions
Compact bunch – susceptible to rot
Second crop
Various clones
Long term practices
Planning of vineyard • Critical importance• Identify locality and determine soil potential • Wine objective• Market
Long term practicesSoil preparation
• Deep & buffered root system• Chemical adjustments• Correct method/implement
Soil studies• Row width and plant spacing• Trellis or bush vine (Economy)• Irrigation vs dry land• Planting of vines• Rootstock
Long term practices
Vine training
Bush vine: raised from soil surface
well developed crown
bearer arms equally distributed
Trellis: upright stem
well developed split
cordon arms
bearers well spaced
Objectives of practices
Naturally balanced vineyard
Minimal inputs
Homogenous block & grapes
Canopy well airated & well exposed
Not too vigorous
Short term practices
Correct vine training
Pruning• according to vine potential• correct practices
Canopy management• suckering• tip/top• shoot positioning• leaf removal• according to wine objective
Short term practices
Fertiliser programme
Irrigation
Pest and disease control
Tillage
Harvest planning
Wine style
Market related production
Chemical analysis
Viticultural characteristics
WINDMEUL Chenin blanc
Agter-PaarlPlanted: 1966 and 1979Clone: unknown Soil: Glenrosa & Oakleaf
Rootstock: Metallica, R110 and 101-14 MgtDry land, bush vine Aspect: East Row direction: NW-SO
WINDMEUL Chenin blanc
Pruning: 6 - 8 arms spur pruned
Suckering: crown, stem & arms
Top/Tip: 20-30 cm shoot length follow up
Second crop: removed
Production: 4.5 - 6 T/Ha
WINDMEUL Chenin blanc
Harvest detailsBalling: 24 Acid: 6.7 g/LpH: 3.4
Wine analysisAlcohol: 14%Acid: 6.6 g/LpH: 3.45
RS: 2.6 g/L
THANK YOU !
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