Pests and Diseases of Crop Plants (Primary 4)

 

BASIC SCIENCE

BASIC SCIENCE AND TECHNOLOGY 

SECOND TERM 

WEEK 6

PRIMARY 4

THEME –  LEARNING ABOUT OUR ENVIRONMENT 

 PREVIOUS LESSON – PLANTS WEEDS

TOPIC – PESTS AND DISEASES OF CROP PLANTS 

 

PERFORMANCE OBJECTIVES

By the end of the lesson, the pupils should have attained the following objectives (cognitive, affective and psychomotor) and should be able to –

  1. define and identify common pests on our farm.
  2. describe the damages caused by pests.
  3. state ways of controlling pests.
  4. list the causes of plant diseases.
  5. state how the disease can be controlled.

 

 

ENTRY BEHAVIOUR

 

INSTRUCTIONAL MATERIALS

The teacher will teach the lesson with the aid of:

  1. Samples of crops infected by pests and diseases.
  2. Samples/charts of pests and diseases

 

METHOD OF TEACHING – Choose a suitable and appropriate methods for the lessons.

Note – Irrespective of choosing methods of teaching, always introduce an activities that will arouse pupil’s interest or lead them to the lessons. 

 

REFERENCE MATERIALS

  1. Scheme of Work
  2. 9 – Years Basic Education Curriculum
  3. Course Book
  4. All Relevant Material
  5. Online Information

 

CONTENT OF THE LESSON  

LESSON 1

PUPIL’S ACTIVITIES 1 – DIFFERENTIATE BETWEEN CROPS AND WEEDS 

Weeds are unwanted plants while crops are wanted plants.

 

PUPIL’S ACTIVITIES 2 – EXAMINE THE CHART AND DISCUSS 

  1. A basin of bean with weevils.
  2. Termites on a long of wood.
  3. Bird eating fruits on a tree.
  4. Grasshoppers and monkeys feeding on a maize plants.
  5. Cow feeding on farmland.

 

Teacher’s remark – Fruits, beans, mazes, etc. are crops eating by termites, weevils, monkeys, cows and bird called pests. 

 

PUPIL’S ACTIVITIES 3 – EXPLAIN THE MEANING OF PLANT’S PESTS?

Pests are insects and small animals that are harmful or damage crops.

 

PUPIL’S ACTIVITIES 4 – NAME FOUR OTHER PESTS YOU KNOW 

  1. Goats
  2. Rabbits
  3. Rats
  4. Butterfly

 

 

LESSON 2

PUPIL’S ACTIVITIES 4 – EXAMINE THE TOMATOES ON THE CHARTS

 

The tomatoes are spoiled.

 

Teacher’s remark – The tomatoes are not eaten by pest but infected by diseases. Other crops like yams, maize, fruits, etc. can be affected by diseases. Common plant’s diseases are fungi, bacteria and viruses. 

 

TEACHER’S/PUPIL’S ACTIVITIES 4 – DISCUSS THE PLANT’S DISEASES 

Plant’s diseases are microorganisms that damage the plants.

 

PESTS AND DISEASES CONTROL MEASURES 

  1. Biological methods
  2. Cultural methods
  3. Prohibition
  4. Quarantine

 

 

PRESENTATION

To deliver the lesson, the teacher adopts the following steps:

1. To introduce the lesson, the teacher revises the previous lesson. Based on this, he/she asks the pupils some questions;

2. Asks the pupils to differentiate between crops and weeds.

Pupil’s Activities – Differentiate between crops and weeds.

3. Lets the pupils examine the chart of plant’s pests and diseases.

Pupil’s Activities – examine the charts of pests and diseases and discus.

4. Guides the pupils to explain plant’s pests and diseases.

Pupil’s Activities – Explain plant’s pests and diseases.

5. Discuss the control measures of pests and diseases.

Pupil’s Activities – Participate Actively in the discussion.

 

CONCLUSION

  • To conclude the lesson for the week, the teacher revises the entire lesson and links it to the following week’s lesson.

 

LESSON EVALUATION 

Pupils to:

  1. define and identify common pests on our farm.
  2. describe the damages caused by pests.
  3. state ways of controlling pests.
  4. list the causes of plant diseases.
  5. state how the disease can be controlled.

 

 

 

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