Banana – Yellow Sigatoka

Crop(s):          Banana

Disease(s):     Yellow Sigatoka

Resistance management strategy for:

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 to 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 to 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 to 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
9. Apply a minimum of two sprays from a different activity group between sprays of a Group 7 or 11
10. Do not apply more than six Group 9 sprays in any 12-month period.
11. 1. Do not apply more than two consecutive sprays of a 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

    Group	Maximum number of applications per year	Maximum number of consecutive sprays	Restricted (no-spray) periods
    3	6 (& no more than 2 of 3 sprays)	2	June to September inclusive
    7	4 (& no more than 1 of 3 sprays)	Not allowed	June to September inclusive
    9	6 (& no more than 2 of 4 sprays)	2	No restriction
    11	2 (& no more than 1 of 3 sprays)	Not allowed	May to September inclusive

     

    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
    5. Apply a minimum of two sprays from a different activity group between sprays of a Group 7 or 11
    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