Division (9)

The following explanations of cumulative temperatures are added: ‘Minimum cumulative temperatures at the F2 stage of 1 750 °C (Annex 6: ripeness guide): From the point at which 50 % of the flowers are open, a cumulative count is kept of each day's average temperature. It has been shown that the Mirabelle 1510 variety is ripe at around 1 850 °C. The early strains are ripe at around 1 750 °C.’