Riceee

Question 1

Xanthomonas oryzae pv. oryzae

Answer 1

Bacterial leaf blight

Question 2

tiny water-soaked spots on lower
leaves; spots enlarged, turn yellow and dry rapidly;
seedling wilt

Answer 2

Xanthomonas oryzae pv. oryzae

Question 3

Magnaporthe grisea

Answer 3

rice blast

Question 4

Thanatephorus cucumeris

Answer 4

Sheath blight

Question 5

Cochliobolus
miyabeanus)

Answer 5

Brown spot

Question 6

common in plants in the
shaded area, in potash deficient and saline fields

Answer 6

Cochliobolus
miyabeanus

Question 7

Magnaporthe salvinii

Answer 7

Stem rot

Question 8

Acrocylindrium
oryzae)

Answer 8

Sheath rot

Question 9

Acrocylindrium
oryzae)

Answer 9

Sheath rot

Question 10

Bacterial leaf streak

Answer 10

Xanthomonas oryzae pv. oryzicola

Question 11

fine translucent streaks that enlarge
lengthwise; coalesce (‘merging lesions’) form large
brown affected leaves; later stage, entire leaf turns
brown and withers

Answer 11

Xanthomonas oryzae pv. oryzicola

Question 12

Spread commonly by green leaf hopper

Sometimes by brown leaf hopper

Answer 12

Tungro

Question 13

Stunted and ragged plants
Favored by BPH populatiom

Answer 13

Grassy ragged stunt