cultivation of chenin blanc chenin blanc association

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CULTIVATION OF CHENIN BLANC CHENIN BLANC ASSOCIATION

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Page 1: CULTIVATION OF CHENIN BLANC CHENIN BLANC ASSOCIATION

CULTIVATION OF CHENIN BLANCCHENIN BLANC ASSOCIATION

Page 2: CULTIVATION OF CHENIN BLANC CHENIN BLANC ASSOCIATION

Outline

Introduction

Long term practices

Short term practices

Windmeul Chenin blanc

Questions

Page 3: CULTIVATION OF CHENIN BLANC CHENIN BLANC ASSOCIATION

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%

Page 4: CULTIVATION OF CHENIN BLANC CHENIN BLANC ASSOCIATION

Total Hectares -1998 to 2008

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Production- 1998 to 2008

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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

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Long term practices

Planning of vineyard • Critical importance• Identify locality and determine soil potential • Wine objective• Market

Page 8: CULTIVATION OF CHENIN BLANC CHENIN BLANC ASSOCIATION

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

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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

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Objectives of practices

Naturally balanced vineyard

Minimal inputs

Homogenous block & grapes

Canopy well airated & well exposed

Not too vigorous

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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

Page 18: CULTIVATION OF CHENIN BLANC CHENIN BLANC ASSOCIATION

Short term practices

Fertiliser programme

Irrigation

Pest and disease control

Tillage

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Harvest planning

Wine style

Market related production

Chemical analysis

Viticultural characteristics

Page 20: CULTIVATION OF CHENIN BLANC CHENIN BLANC ASSOCIATION

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

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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

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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

Page 27: CULTIVATION OF CHENIN BLANC CHENIN BLANC ASSOCIATION

THANK YOU !