(a) ldentify specimens J, K, L, and M.
(b) Enumerate four types of damages done to crops by each of specimens K and L.
(c) State five methods of controlling specimen J.
Explanation
(a) ldentification of specimens:
- J - Leaf eating beetle,
- K - Aphid,
- L - Callosobruchus spp (bean beetle),
- M - Termites or Mole Cricket
(b) Damage done to crops by specimens K and L are;
Specimen K (Aphid);
- causes stunted growth
- It causes galls on loaves,
- It is a vector of diseases,
Specimen L (Callosobruchus spp);
- They bore holes into grains and eat them up.
- They reduce the quality of stored products,
- They reduce grains to powder.
(c)(i) Spray with insecticides.
(ii) Hand pick them.
(iii) Use resistant varieties.
(iv) Early planting.
(v) Crop rotation.