Monday, June 27, 2011

The Vine Guys - Back to Basics

 OPTIMALE WINGERDPRAKTYKE: OPSOMMING

E Archer

  1. Kies die ligging volgens kultivar en wyndoelwit – massadraers op laerliggende, vrugbare gronde en eerste etiket kultivars op hoërliggende, blootgestelde, skraler gronde.
  2. Moenie probeer geld spaar op grondvoorbereiding nie. Skep die beste moontlike grondvolume vir gebufferde wortelstelsels (klimaatsver-andering).
  3. Plant sover moontlik in plantgate wat met ‘n vurk gemaak is. Kompakte plantgatwande inhibeer wortelgroei en –verspreiding vir die res van die wingerd se leeftyd. Plant altyd in die middel van die plantgat sodat die wortels eweredig rondom die stok versprei en verhoed onnodige inkort van wortels.
  4. Verseker regop stamme (gebalanseerde kordonne) en nou mikke met stokvorming – volledige benutting van die kordondraad. Moet nooit lote wat dunner is as potlooddikte met stokvorming gebruik nie.
  5. Gebruik die nouste moontlike rywydte (tonne/ha) en pas die in-ry stokspasiëring aan by die wisseling in grondpotensiaal (lowermikro-klimaat). Dit dra grootliks by tot homogene lootlengtes wat homogene rypwording verseker. Gebruik kort plantlyne en plant dwars oor die rye.
  6. Gebruik ‘n prieelstelsel wat pas by die doel van produksie: vertikaal met skuifdrade as die styl van die druiwe bestuur wil word en 2-draad heining met oopval lote vir 2de etiket wyne.
  7. Vir hoër gehalte druiwe kies ‘n ryrigting wat windbeweging in die ry af toelaat (afkoeling). Vir ander wyndoelwitte kies noord-suid ryrigting (hoër produksie).
  8. Verhoed te alle tye opbou van draers (herken die 1ste ogie op ‘n draloot) sodat die prieelstesel (blaaroppervlakte) oor tyd nie te klein word nie. Vernuwe draers gedurig en kies, waar moontlik, altyd die regopste draers.
  9. Waar Cazenave draereenhede gebruik word onthou dat daar altyd ‘n 1-oog tappie aan die onderkant moet wees en dat die eenhede nie nader as 30 cm vanmekaar moet wees nie – gebruik sover moontlik 5 tot 6 oë, behou die boonste 2 lote en suier die onderstes weg.
  10. Gebruik langdraers om gapings op die kordondraad (mikke en tussen stokke) toe te maak. Elke langdraer het ‘n 2-oog draer aan sy basis.
  11. Onthou snoei is die eerste stap in lowerbestuur. Suier die 1ste etiket wingerde 2 maal. Tweede etiket wingerde word eenmalig, vroeg (ogies vryf) gesuier. Onthou om lote vir vernuwing te los waar nodig. Die ideaal is om dmv korrekte langtermynpraktyke wingerde staan te maak wat minimale lowerbestuur nodig het.
  12. Verhoed kort top langs die kante – oneweredige rypwording.
  13. Blaaruitdunning op die ewekansige metode (moenie stroop nie) slegs indien nodig.
  14. Moet nooit sylote uitbreek nie – hulle verskaf die jonger blare wat in die finale stadium van rypwording noodsaaklik is.
  15. Druiwe-afgooi word net toegepas wanneer dit noodsaaklik (trosse op kort lote) is. Geld op die grond beteken vir niemand iets nie.

Sunday, June 26, 2011

Friday, June 24, 2011

In the vineyard with Prof. Eben Archer

The Vine Guys in the vineyard at Mischa

Friday, September 3, 2010

Vineyard Planning Graph

This is a VERY basic planning graph that we use with all our customers to help plan the optimal replanting period taking into account Vine age vs Tonnage vs Virus infection.

These are the factors critical to vineyard planning in SA and you have to take into account.
Your objectives will obviously be different if you are doing Quality vs Production but you need to know you tolerances and optimums for each factor over time so if you are moving out of the "sweet spot" you can attend to it immediately.

For more info: get in touch 021 8641020
-Andrew

Tuesday, August 10, 2010

The Vine Guys 2010 Black Board

Below is a basic flow chart of material in The Vine Guys nursery.
With some points in the bottom left corner to consider.
Any questions?
Get in touch

Tuesday, August 3, 2010

Root Stock Selector


Here is a link to an Australian root stock selector that should give you an idea of the root stocks that would be suitable for your farm.


Also have a look at page 59 of the August edition of the Wineland magazine to see our article on the subject.

Remember that any final decision should be based on local experience.
If you would like futher assistance with selecting a rootstock give us a call:
021-8641020.

Thursday, June 24, 2010

Virus management – Essential points


Below you will find a few essential points for virus control and elimination. If you would like further information please contact us directly.

  1. Plant only the best possible material from a reputable nursery
  2. Make sure all roots have been removed if the soils previously had vineyard on it.
  3. Rest the soil for a minimum of one year with a rotation of the correct cover crops.
  4. Identify possible sources of re-infection (nearby infected vineyards)
  5. Set up mealy bug traps and check regularly
  6. Keep ants out of the vineyards and schedule regular inspections
  7. Know how to identify virus infected vines
  8. Remove and replace any questionably vines for the first four years.
  9. control weeds and plants that are mealy bug hosts
  10. Monitor infection rates and correlate them with Quality/yield to determine what level of infection makes a vineyard uneconomic.