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CULTIVATION OF CHENIN BLANC

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CULTIVATION OF CHENIN BLANC. CHENIN BLANC ASSOCIATION. Outline ... Chenin blanc in South Africa. Versatile cultivar. Suitable to most localities & areas ... – PowerPoint PPT presentation

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Title: CULTIVATION OF CHENIN BLANC


1
CULTIVATION OF CHENIN BLANC
  • CHENIN BLANC ASSOCIATION

2
Outline
  • Introduction
  • Long term practices
  • Short term practices
  • Windmeul Chenin blanc
  • Questions

3
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

4
Total Hectares -1998 to 2008
5
Production- 1998 to 2008
6
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

7
Long term practices
  • Planning of vineyard
  • Critical importance
  • Identify locality and determine soil potential
  • Wine objective
  • Market

8
Long term practices
  • Soil 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

17
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

18
Short term practices
  • Fertiliser programme
  • Irrigation
  • Pest and disease control
  • Tillage

19
Harvest planning
  • Wine style
  • Market related production
  • Chemical analysis
  • Viticultural characteristics

20
WINDMEUL Chenin blanc
  • Agter-Paarl
  • Planted 1966 and 1979
  • Clone unknown
  • Soil Glenrosa Oakleaf
  • Rootstock Metallica, R110 and 101-14 Mgt
  • Dry 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 details
  • Balling 24
  • Acid 6.7 g/L
  • pH 3.4
  • Wine analysis
  • Alcohol 14
  • Acid 6.6 g/L
  • pH 3.45
  • RS 2.6 g/L

27
  • THANK YOU !
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