Fungicide application guide
Fungicide application guide*
by variety, disease**, risk, critical period*** and rainfall (>400mm and <400mm)
Critical period *** |
Nipper |
Digger, Nugget, Boomer |
Tiara, Aldinga, Matilda, Cobber |
Northfield |
---|---|---|---|---|
First (10-14 WAE) |
> 400 mm only • If BGM risk high 1, 2, 3, 4 * |
> 400 mm only • If BGM risk med/high 1, 2, 3, 4 * |
All rainfalls • If BGM risk med/high 1, 2, 3, 4 * |
All rainfalls • BGM risk is med/high 1, 2, 3, 4 * |
Second (14-16 WAE) |
> 400 mm only
|
> 400 mm
< 400 mm
|
> 400 mm
< 400 mm
|
> 400 mm
< 400 mm
|
Third (16-18 WAE) |
- |
> 400 mm only • If AB present and risk high 3, 4 |
> 400 mm only • If AB present and risk high 3, 4 |
> 400 mm only • If BGM present 1, 2, 3, 4 |
* Fungicides: 1 = carbendazim; 2 = procymidone; 3 = chiorothaionil; 4 = mancozeb; 5 = 1+3, 6 = 1+4, 7 = 2+3, 8 = 2+4 (see Fungicide efficacy and use under Disease Management for efficacies)
** AB = Ascochyta blight and BGM = Botrytis grey mould
*** WAE = weeks after emergence (see Fungicide spraying program under Disease Management for critical periods)