Banana – Yellow Sigatoka

Crop(s):          Banana

Disease(s):     Yellow Sigatoka

Resistance Management Strategy for:

Group 3              Demethylation inhibitors (DMI);
Group 7               Succinate dehydrogenase inhibitors (SDHI);
Group 7 + 3        SDHI + DMI;
Group 9               Anilinopyrimidines (AP); and
Group 11             Quinone outside inhibitors (QoI).

FAR NORTH QUEENSLAND

1. De-leafing must be conducted in accordance with industry guidelines.
2. Apply a regular schedule of protectant sprays.
3. When disease potential is high, apply a maximum of two consecutive Group 3 sprays before changing to a fungicide of a different activity group.
4. Do not apply more than six Group 3 sprays in any 12-month period. Do not apply any Group 3 sprays in the months of June, July, August and September.
5. Do not apply more than two Group 11 sprays in any 12-month period. Do not apply Group 11 sprays in the months of May, June, July, August and September.
6. Do not apply more than four Group 7 sprays in any 12-month period. Do not apply Group 7 sprays in the months of June, July, August and September.
7. Group 7 or 11 fungicides should be applied in mixture with another fungicide from a different activity Group registered for the control of Yellow Sigatoka at the full registered rate.
8. Do not apply consecutive sprays of Group 7 or 11 fungicides.
9. Apply a minimum of two sprays from a different activity group between sprays of a Group 7 or 11 fungicide.
10. Do not apply more than six Group 9 sprays in any 12-month period.
11. Do not apply more than two consecutive sprays of Group 9 fungicide before changing to a fungicide of a different activity group. When using consecutive applications of Group 9 fungicides, follow with at least as many different activity group fungicides before resuming with a Group 9 fungicide.

EVERYWHERE EXCEPT FAR NORTH QUEENSLAND

1. When using Group 3 fungicides, apply a maximum of two consecutive Group 3 sprays before changing to a fungicide of a different activity group.
2. Do not apply more than six Group 3 sprays in any 12-month period.
3. Do not apply more than four Group 7 or 11 sprays in any 12-month period
4. Do not apply consecutive sprays of Group 7 or 11 fungicides.
5. Apply a minimum of two sprays from a different activity group between sprays of a Group 7 or 11 fungicide.
6. Do not apply more than six Group 9 sprays in any 12-month period.
7. Do not apply more than two consecutive sprays of Group 9 fungicides before changing to a fungicide of a different activity group. When using consecutive applications of Group 9 fungicides, follow with at least as many different activity group fungicides before resuming with a Group 9 fungicide.