Periods of onset of symptoms on foliage of the main wood diseases




Phenological stages Eutypiose Esca Decline in Botryospheria
A - Winter bud      
B - Cotton bud      
C - Green tip      
D - Leaving the leaves      
E - Spread leaves      
F - Visible clusters      
G - Separate bunches      
H - Separate flower buds      
I - Flowering      
J - Fruit set      
K - Green peas      
L - Closed bunches      
M - Veraison      
N - Maturity      
O - Aoûtement      
P - Falling leaves      



  = Significant manifestation of symptoms
                    = moderate manifestation of symptoms
Last change : 04/19/21