Winegrowers Supplies
- Spraying schedule
'Low Volume' mist spraying, volumes for 1 hectare (approx 2.5 acres) with 1000 vines/acre,
3.1 miles/hour (5.0 kilometers/hour) at 2240 rpm tractor pto speed.
The following development 'stages' are from Eichorn and Lorenz, dates are approximate for England & Wales:-
Winter dormancy (stage 01) 1st December - 31st January
Optional - against Phomopsis: 300 - 400 litres per hectare
#1 Bud-burst (stage 05-07) 9th April - 11th May
Very important against Oidium - disease spores are in the vine-bark, also
against Phomopsis, Oidium, Roter Brenner
300 - 400 litres per hectare; both sides of vine rows
#2 Two to three leaves (stage 09) 15th May - 30th May
Against: Peronospora, Oidium, Botrytis, Phomopsis, Roter Brenner
200 - 300 litres per hectare; alternate rows
#3 Inflorescences appear (stage 12-15) 29th May - 13th June
Against: Peronospora, Oidium, Botrytis; + foliar feed, with some Nitrogen
200 - 300 litres per hectare; alternate rows
#4 Inflorescences extended (stage 17>) 13th June - 27th June
Against: Peronospora, Oidium, Botrytis; + foliar feed, with Nitrogen
300 - 400 litres per hectare; both sides of vine rows
#5 Pre-flowering (stage 19) 26th June - 15th July (also top the foliage)
Against: Peronospora, Oidium, Botrytis; + foliar feed, no Nitrogen
330 - 440 litres per hectare; both sides of vine rows
#6 Post-flowering (stage 25) 9th July - 2nd August
Against:
Peronospora,
Oidium, Botrytis
440
- 600 litres per hectare; both sides of vine rows
#7 Berries set (stage 27) 21st July - 8th August
Against:
Peronospora,
Oidium, Botrytis; + foliar feed, low Nitrogen
440 - 700 litres per hectare; both
sides of vine rows
#8 Berries swelling (stage 29) 9th August - 24th August
Against:
Peronospora,
Oidium, Botrytis; + foliar feed (low nitrogen)
440 - 700
litres per hectare; both sides of vine rows
#9 Bunches close (stage 31-33) 9th August – 7th September
Against:
Peronospora,
Oidium, Botrytis
550 - 800
litres per hectare; both sides of vine rows
Post-harvest spray (stage 41) 23rd October
Optional – only after bad fungal attack - leaves must be green and functioning.