Fungicide efficacy and use
Fungicide |
Botrytis grey mould (BGM) |
Ascochyta blight (AB) |
Critical use periods' |
||
Efficacy |
Use if BGM risk |
Efficacy |
Use if AB risk |
When to use |
|
(1) Carbendazim |
*** |
Med-high |
- |
Nil |
First to third |
(2) Procymidone |
*** |
Med-high |
- |
Nil |
First to third |
(3) Chlorothalonil |
** |
Low-med |
*** |
Low-high |
First to third |
(4) Mancozeb |
* |
Low-med |
** |
Low-high |
First to third |
(5) Carbendazim + chlorothalonil |
*** |
Med-high |
*** |
Med-high |
Second and third |
(6) Carbendazim + mancozeb |
*** |
Med-high |
** |
Low-med |
Second and third |
(7) Procymidone + chlorothalonil |
*** |
Med-high |
*** |
Med-high |
Second and third |
(8) Procymidone + mancozeb |
*** |
Med-high |
** |
Low-med |
Second and third |
- No efficacy |
*Low efficacy |
** Medium efficacy |
*** High efficacy |