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COS 222: Introduction to Crop Diseases
• Fungi, Nematodes, Bacteria, Viruses, Insects and Weeds in Tropical Crop Disease Systems
17
Notes
0
CBT Exams
Curriculum
5 Sections
17 Lessons
10 Weeks
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Introduction to Crop Diseases
4
1.1
What is a Crop Disease?
1.2
The Disease Pyramid
1.3
Symptoms and Signs: The First Language of Diagnosis
1.4
Biotic versus Abiotic Problems
Safe Practical Laboratory and Field Practice
Part B
2
2.1
Minimum Safety Rules
2.2
Basic Equipment and Materials
Practical Demonstrations and Workbook Tasks
6
3.1
Practical 1: Field Diagnosis of Crop Disease Symptoms
3.2
Practical 2: Isolation of Fungal Pathogens from Diseased Tissue
3.3
Practical 3: Isolation of Bacterial Pathogens
3.4
Practical 4: Extraction and Observation of Plant-Parasitic Nematodes
3.5
Practical 5: Virus Disease Recognition and Sample Handling
3.6
Practical 6: Demonstrating Koch’s Postulates Safely
Management Principles for Nigerian and Tropical Farming Systems
Part D
1
4.1
Management Principles for Nigerian and Tropical Farming Systems
Assessment Tasks
Part E
4
5.1
Assessment Tasks
5.2
Marking Rubric
5.3
Appendix 1: Diagnostic Question Bank
5.4
Appendix 2: Quick Symptom-to-Cause Guide
COS 121: Cropping Systems, Farming Systems, Crop Diseases, and Pests
8
Notes
1
CBT Exam
0
Student
Etimbuk Umanah
September 5, 2026
COS 121: Introduction To Crop Science
10
Notes
0
CBT Exam
0
Student
Etimbuk Umanah
September 5, 2026
ARG 222: Description Of Breeds Of Farm Animals
6
Notes
0
CBT Exam
0
Student
Etimbuk Umanah
September 4, 2026
COS 214: Migratory Pests
3
Notes
0
CBT Exam
0
Student
Etimbuk Umanah
May 21, 2026
COS 221
0
Note
0
CBT Exam
0
Student
Etimbuk Umanah
May 5, 2026
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