These figures belong to the named source and method. Historical costs are not current quotations. A value without its stage, material basis or measurement location is not a farm instruction.
| What is measured | Value and basis | Source and limitation |
|---|---|---|
| Bacterial blotch: cap spots enlarge at | 20 °C and above | ICAR-DMR manual, 2011. Only with a free water film on the cap. |
| Water film allowed on caps | 3 hours maximum | ICAR-DMR manual, 2011. Dry the caps within this time after watering. |

