Multiple choice

Wildfire of tobacco is caused by

  1. Agrobacterium rhizogenes

  2. Erwinia carotovora

  3. Pseudomonas syringae

  4. Ralstonia solanacearum

  5. Rhodococcus fascians

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Wildfire of tobacco is caused by Pseudomonas syringae, a rod-shaped, Gram-negative bacterium with polar flagella. Symptoms of wildfire of tobacco include yellowish green spots on leaves. It causes losses in seedlings and field plants and occurs worldwide.