Bacterial soft rot disease in plants is caused by……….
a) Pseudomonad spp
b) Ralstonia solanacearum
c) Erwinia carotovora
d) Agrobacterium tumefaciens
Bacterial soft rot disease occurs in……
a) potato, sweet potato and onion
b) carrot, tomato and beans
c) corn, cotton and crucifers
d) all of these
Which of the following is/are the preventive measure/s to control bacterial soft rot disease in plants?
a) preparation of properly drained soil
b) control of nematodes
c) removal of infected plants and crop rotation
d) all of these
Bacterial crown gall is caused by……..in plants.
a) Pseudomonad spp
b) Ralstonia solanacearum
c) Erwinia carotovora
d) Agrobacterium tumefaciens
Bacterial blights is caused by…in plants.
a) Pseudomonad spp
b) Xanthomonas campestris pv. phaseoli
c) Erwinia carotovora
d) Agrobacterium tumefaciens
Which of the following is/are the favorable condition/s for the development of bacterial blight disease?
a) high moisture
b) frequent rains and use of diseased seeds
c) high humidity
d) both a and c
