The following explanations of cumulative temperatures are added: ‘Minimum cumulative temperatures at the F2 stage of 1750 °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.
Ajout des explications de la somme des températures: «Une somme des températures au stade F2 de 1750°c minimum, (annexe 6: protocole de maturité): A partir du stade 50 % de fleurs ouvertes, on cumule la température moyenne de chaque jour.