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Recent flooding events have wreaked havoc in some of our wine-growing regions, specifically for those vineyards located on or near riverbanks. Flooding along the non-perennial streams that rarely see large volumes of water was unique compared to similar events early in the winter. This has led to the vineyards being covered in sediment and debris, while access roads and low-water bridges have also fallen victim to damage.

In extreme cases such as in the Olifants River region, some vineyards on the riverbanks are still completely/partially underwater. This situation requires agility and adaptability, and producers are reminded of the following practical measures to stem the tide.

  • Focus on repairing critical access routes.
  • Remove sediment and debris from vineyards where possible. To allow for sufficient airflow and sunlight penetration.
  • Monitor for pests and diseases more frequently and prioritise blocks accordingly.
  • Look to alternative methods of applying crop-protection agents e.g., backpack sprayers, drones etc. Importantly, consult with your agro-chemical agent regarding doses, which will change as a result of lower spraying volumes.
  • Ensure correct/temporary function of the irrigation system.
  • Consider applying growth stimulants to boost growth in cool soils.
  • Be wary of herbicide application in waterlogged soils, due to low efficacy and potential uptake by vines.
  • Consult with your local advisors and Vinpro consultant for up-to-date information.

 

Please see the short clip from our consultant on the ground in Worcester/Breedekloof – Callie Coetzee – https://youtu.be/dEJnqZXrR88

For more information contact:

Lesley Paulse

lesley@vinpro.co.za

+27 (0)21 276 0432

 

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