Vigne Disease

Question 1

Fungal diseases ?

Answer 1

Powdery mildew
Donwny mildew
Eutypa dieback
Esca
Black rot
Bunch rot

Question 2

Bacterial disease

Answer 2

Pierce disease (sharpshooter)
Crown Gall
Bacterial blight

Question 3

Viral disease

Answer 3

Leafroll disease
Fanleaf degeneration

Question 4

Phytoplasma disease ?

Answer 4

Flavorescence doree > leafhoppers

Question 5

Bacterial disease

Answer 5

Pierce disease (sharpshooter)
Crown Gall
Bacterial blight

Question 6

Powdery

Question 7

What affect the powdery mildew ? Other names ?
Solution ?

Answer 7

Oidium, Green part, Sulfur and dioxyde

Question 8

Downy mildew ?
Solution ?

Answer 8

Same as powdery,
Copper sulphate, water and lime

Question 9

Eutypa dieback ?
Solution ?

Answer 9

Affect the yields, no solution

Question 10

Esca ?

Answer 10

Affect wood, no solution

Question 11

Black rot ?

Answer 11

Affect shoots, leave, berries

Fungicide

Question 12

Bunch rot

Answer 12

Affect berries, if enough humidity can become noble rot

Question 13

Pierce disease

Answer 13

Chlorophylle production

No solution

Question 14

Crown gall (black not)

Answer 14

Rotten the vines

Question 15

Bacterial blight

Answer 15

Kill young shoot

Bdx mixture

Question 16

Leafroll virus ?

Answer 16

Spread by bugs, delayed ripening affect the yield

Question 17

Fanleaf degeneration

Answer 17

Spread by nematods, deforms shoots and reduce yield

Question 18

Flavorescence dorée

Answer 18

Leafhoppers, affect leave and berries