A major symptom of onion/twister is
Appearance of dark brown spots on leaves
Motting of leaves
Rottening of roots
Rottening of bulds
Premature drying of leaves
Correct answer is B
No explanation has been provided for this answer.
Which of the following insect pests of crops is usually controlled by fumigation?
Bean weevil
Capsid bug
Cotton stainer
Grasshopper
Yam beetle
Correct answer is A
No explanation has been provided for this answer.
The major pest of maize in Southern Nigeria is called
Budworm
Stem borer
Leaf worm
Aphid
Mealy bug
Correct answer is B
No explanation has been provided for this answer.
The physiological changes that show up during disease attack on crop plants are referred to as
Signs
Symptoms
Necrosis
Deformations
Abnormalities
Correct answer is B
No explanation has been provided for this answer.
The system of growing arable crops at the early stage of forest establishment is referred to as
Selective exploitation
Regeneration
Afforestation
Taungya system
Forest regulation
Correct answer is D
No explanation has been provided for this answer.