Learning Objectives
5 objectives- Identify common pests and diseases affecting plants in agricultural and horticultural contexts.
- Understand and apply the principles of Integrated Pest Management (IPM) for sustainable pest control.
- Develop skills in monitoring, diagnosing, and managing plant pests and diseases effectively.
- Evaluate various cultural, biological, chemical, and organic control strategies for pest and disease management.
- Analyze the impact of climate change on pest and disease dynamics and adapt management strategies accordingly.
Content Outline
PreviewUnit 2226: Pest and Disease Management in Agriculture and Horticulture
1. Overview of Common Pests and Diseases
- Introduction to plant pests and diseases
- Common agricultural and horticultural pests
- Insects (e.g., aphids, caterpillars, beetles)
- Mites and nematodes
- Common plant diseases
- Fungal (e.g., powdery mildew, rusts)
- Bacterial (e.g., bacterial blight)
- Viral diseases
- Symptoms and signs of pest and disease damage
- Impact on crop yield and quality
2. Integrated Pest Management (IPM)
- Principles of IPM
- Prevention, monitoring, and control
- Components of IPM
- Biological methods
- Cultural methods
- Physical/mechanical methods
- Chemical methods
- Decision-making and threshold levels
- Benefits of sustainable pest management
3. Cultural Practices for Pest and Disease Prevention
- Crop rotation and diversification
- Sanitation practices
- Removal of infected plant material
- Cleaning tools and equipment
- Proper plant spacing and pruning
- Soil health management
- Selection of resistant varieties
4. Biological Control Methods
- Natural enemies of pests
- Predators (lady beetles, lacewings)
- Parasitoids (wasps, flies)
- Pathogens (bacteria, fungi, viruses)
- Conservation and augmentation of beneficial organisms
- Introduction and release strategies
- Advantages and limitations of biological control
5. Chemical Control Strategies
- Types of pesticides and fungicides
- Selection criteria for chemical controls
- Safe handling and application techniques
- Environmental and health considerations
- Resistance management
6. Monitoring and Scouting Techniques
- Importance of regular monitoring
- Visual inspection methods
- Use of traps (pheromone, sticky traps)
- Sampling techniques and population assessment
- Recording and interpreting data
7. Disease Diagnosis and Management
- Identifying symptoms and signs
- Laboratory diagnostic methods
- Management strategies
- Sanitation and hygiene
- Pruning and removal of infected parts
- Use of resistant varieties
- Chemical treatments
8. Climate Change and Pest/Disease Dynamics
- Effects of climate change on pest biology and ecology
- Changes in pest distribution and population dynamics
- Emerging pests and diseases
- Adapting management strategies to climate variability
9. Organic Pest and Disease Management
- Principles of organic pest control
- Use of natural products (botanical insecticides, oils)
- Enhancing beneficial insect populations
- Cultural practices supporting organic management
- Certification and regulatory considerations
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