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3 marksCrop Management

CSEC Agricultural Science · May/June 2012 · Paper 2 · Question 8(c)

A new forage legume from Africa arrived at the airport but had to be destroyed by the Plant Quarantine Officer.

Suggest THREE possible reasons why the seeds had to be destroyed by the Plant Quarantine Officer.

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Other parts of this question

  1. 8(a)(i)Briefly describe the manual method of controlling pests and diseases in agriculture.[1 mark]
  2. 8(a)(ii)Briefly describe the mechanical method of controlling pests and diseases in agriculture.[1 mark]
  3. 8(a)(iii)Briefly describe the chemical method of controlling pests and diseases in agriculture.[1 mark]
  4. 8(b)(i)State THREE conclusions that can be drawn from the information in Table 3.[3 marks]
  5. 8(b)(ii)Suggest THREE OTHER methods that can be used to control white flies in tomato production.[3 marks]

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