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Agricultural Science Theory The diagrams below illustrate three different crops.  Study them and answer the questions that follow….

The diagrams below illustrate three different crops. 

Study them and answer the questions that follow.

 

a) State the method of propagating each crop. 

 

b) List three varieties of oil palm. 

 

c) Mention three diseases of okro.. 

 

d) State three pre-planting operations that are generally carried out when cultivating okro. 

 

e) List three uses of cashew. 

Explanation

(a)(i) Method of propagating the crops

  • Cashew – seed
  • Oil palm – seed
  • Okra – seed

                                           (b)  Varieties of Oil palm

  • Dura
  • Tenera
  • Pisifera

                                                                         

(c)  Diseases of Okro

  • Leaf curl
  • Leaf spot
  • Powdery mildew
  • Damping off
  • Fusarium wilt
  • Damping off
  • Root knot disease
  • Mosaic disease

(d)Pre-planting operations carried out before cultivating Okro

  • Land clearing
  • Stumping
  • Ploughing
  • Harrowing
  • Ridging/making of heaps

 

(e)  Uses of Cashew

  • The nuts and fruits are used as food by man
  • Cashew nut cake is used for livestock feed
  • Oil from kernel is used for cosmetics
  • Oil from seed is used for cooking