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CULTIVATION OF CHENIN BLANC

CULTIVATION OF CHENIN BLANC. CHENIN 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

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CULTIVATION OF CHENIN BLANC

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  1. CULTIVATION OF CHENIN BLANC CHENIN BLANC ASSOCIATION

  2. Outline Introduction Long term practices Short term practices WindmeulCheninblanc 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. Cheninblanc 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

  9. 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

  10. Objectives of practices Naturally balanced vineyard Minimal inputs Homogenous block & grapes Canopy well airated & well exposed Not too vigorous

  11. 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

  12. Short term practices Fertiliser programme Irrigation Pest and disease control Tillage

  13. Harvest planning Wine style Market related production Chemical analysis Viticultural characteristics

  14. 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

  15. 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

  16. 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

  17. THANK YOU !

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