VITICULTURE

Elgin block soil profile (left), Helderberg block profile (right)

Elgin block soil profile (left), Helderberg block profile (right)

ELGIN VIOGNIER block VR1 – 2.87ha – planted 2004

BWI Champion

GPS 34˚10’58.00″ S 19˚00’15.52″ E
Altitude 269m
Size 2.87ha
Clone/s VR1
Rootstock 101-14
Year planted 2004
Trellising system VSP
Cordon wire at 1m
2×3 foliage wire
Poles 2.4m
shoot length 1.6m
bunch zone 25cm
Planting 2.5m w x 1.8m spacing
2,222 vines/ha
Irrigation drip system x 15mmpoly pipe
dripper 600mm apart
delivery of 2.3L per hour
Cover crop korrog (Oats) – alternate rows
weedicide twice a year on bankie’s
cover crop & pruned shoots mulched 50% middle 50% bankie
Pruned 2 weeks before budburst
bud break 20th september
pruned according to strength of shoot
Suckering 2 shoots per spur only
sucker at 10cm shoot length
Fruit thinning thinned before bunch closure
no.of bunches per shoot according to length of shoot
no bunches touch each other
Leaf Removal at fruit set – 70% of leafs removed on the morning side
between 1st and 2nd foliage wire – 20% removal
light leaf plucking done at veraison
Tipping throughout season to encourage younger healthier leaves
keeping internode space short
topping only when necessary
Lateral shoots removing all morning side in bunch side
removing the afternoon side bunch zone to improve
bud fertility and increase efficiency of botrytis sprays
ensure sufficient sunlight on bunches for thicker skins
sufficient air movement in canopy
Climate summer average min. – 11.05 celcius
summer average max. – 23.07 celcius
Daily mean summer temp.17.05 celcius
Daily mean annual temp.15.2 celcius
average annual rainfall 1,250mms
vineyards on banks of Palmiet River where cold air gathers
Soil Table Mountain Sandstone
Cartref (coarse sand)
Kroonstad
Tukulu (clay)
Row direction South to North
Gradient 6-12%
Aspect Northwest
Sun hours 10hrs a day

HELDERBERG SYRAH – 4ha – planted in 2002

BWI Champion

GPS
Altitude 128m
Size 4 ha
Clone/s 99b, 99c, 22f, 9c
Rootstock 101-14
Year planted 2002
Trellising system VSP
Cordon wire at 1.2m
2×4 foliage wire
Poles 2.4m
shoot length 1.6m
bunch zone 20-25cm
Planting 2.5m w x 1.6m spacing
2,500 vines/ha
Irrigation drip system x 15-20mm poly pipe
dripper 600mm apart
delivery of 2.3L per hour
Cover crop rye
weedicide twice a year on bankie’s
no mulching – the cover is rolled.
Pruned 2-3 weeks before budburst
bud break first week of september
pruned according to strength of shoot
Suckering 2 shoots per spur only
sucker at 5cm shoot length, done twice for best selection
Fruit thinning 10-14 days after veraison
2
no bunches touch each other
Leaf Removal 100% below the bunch
between 1st and 2nd foliage wire – if necessary
light leaf plucking done at veraison
Tipping when first shoots are above the top wire
topping only when necessary
Lateral shoots removing all morning side in bunch side
removing the morning side bunch zone to improve
bud fertility and increase efficiency of botrytis sprays
ensure sufficient sunlight on bunches for thicker skins
sufficient air movement in canopy
Climate summer average min. – 17 celcius
summer average max. – 34 celcius
Daily mean summer temp.33 celcius
Daily mean annual temp.20 celcius
average annual rainfall 700mms
Soil Koffieklip (ferricrete)
kroonstad (clay)
Estcourt
Gravel Hutton
Row direction North-west to South-east
Gradient 3-5%
Aspect South-west
Sun hours 11.5hrs a day
A window to the Helderberg

A window to the Helderberg