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.

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