A Technical Guide
for Wine Producers

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Wynboer Tips for November

PLANNING

Plan your spring fertilisation programme, irrigation scheduling strategy and book a contractor for soils that have to be prepared in December/January.

VINEYARD PROGRAMME

Spring fertilisation - if required

  • On mature vines - according to leaf and soil analyses and vigour.
  • On young vines - where vine development takes place and strong vigour is required.
  • In producing vineyards the final applications must be applied before flowering.
Canopy management
  • Suckering procedures must be completed before flowering.
  • The timing of insertion and positioning of shoots is very important, do not fall behind with these procedures.
Tipping/topping procedures
  • Regular tipping procedures are more beneficial than severe topping actions.
  • Tip longer shoots to promote even shoot growth.
Crop control
  • For quality cultivation, bunches on weak shoots (<80 cm) should be removed early (at pea size) to improve shoot growth.
Disease and pest control
  • Preventive control for oidium as well as downy mildew, if damp weather conditions prevail.
  • Monitor pests before considering chemical control.
Weed control
  • If weeds become problematic, rather use registered contact herbicides.
  • Focus on the under-vine surfaces in particular, to ensure that these are weed-free during the harvest.
Irrigation
  • Water consumption only increases as from set onwards, and particularly from pea size stage.
  • Monitor soil water content and moisture stress symptoms of the vines.
  • If excessive growth occurs and/or in premium red wine blocks, particularly in the period between pea size and veraison, deficit irrigation may be applied.
Vine development
  • Training of shoots on 1 to3-year-old vines to form trunk, cordons and bearers.
  • Crop control in young vines is very important to maintain the life-span of the vineyard.
Cover crops
  • If dry, drag or roll flat – do not use mower or disc.
FINANCIAL

Contact Gert van Wyk for information about:

  • Viability, cost and profitability analyses.
  • Presentations on the economics of wine grape cultivation, industry overview, etc.
  • Budgets and financial planning in the light of production costs, establishment costs and other industry parameters.
  • Participation in the production plan/study groups.
Compiled by: VinPro Consultation Service
For more information contact Annamarie van Onselen at (021) 807-3027.

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