| Fungicide | Resistance risk (FRAC group number)1 | Botrytis Fruit Rot |
|---|---|---|
| BioSpectra**/CeraFruta**, *** | medium (48) | 3 |
| Scholar*** | high (12) | 4 |
| Oso | medium (19) | 4 |
| Vangard | high (9)3 | 4 |
Rating: 5 = excellent and consistent, 4 = good and reliable, 3 = moderate and variable, 2 = limited and/or erratic,
1 = minimal and often ineffective, 0 = ineffective, NL = not on label, and ND = no data.
| ** Not registered, label withdrawn or inactive in California. |
| *** For postharvest use only. |
| 1 Group numbers are assigned by the Fungicide Resistance Action Committee (FRAC) according to different modes of actions. Fungicides with a different group number are suitable to alternate in a resistance management program. In California, make no more than one application of fungicides with mode-of-action group numbers 9 and 19, before rotating to a fungicide with a different mode-of-action group number. |
Acknowledgment: Adaskaveget al., 2025. Fungicides, Bactericides, Biocontrols, and Natural Products for Deciduous Tree Fruit and Nut, Citrus, Strawberry, and Vine Crops in California.