Quiz - Flavescence Dorée

1) Which pathogen is responsible for Flavescence Dorée disease?

2) How is transmitted Flavescence Dorée (FD) (several answer possible)

3) Which insect type transmits Flavescence Dorée phytoplasma?

4) Scaphoideus titanus acquires the phytoplasma by feeding on a contaminated vinestock. Then, it spreads the disease from vinestock to another in every food grap. The insect is:

5) Can leafhopper Scaphoideus titanus transmits the phytoplasma to its descendants?

6) How many phytoplasma strains are found in Europe?

7) How can transmission by grafting be limiting? (several answers possible)

8) How Flavescence Dorée (FD) symptoms can be characterized?( several answers possible):

9) This discoloration is characteristic of Flavescence Dorée symptoms for:

10) Only some cultivar are sensitive to Flavescence dorée

11) Flavescence Dorée is classified as a(several answer possible):

12) Click on the photo corresponding to the following insects