Infection & ResponseDeep Dive
Agricultural Impact and Crop Protection
Part of Plant Diseases and Defenses — GCSE Biology
This deep dive covers Agricultural Impact and Crop Protection within Plant Diseases and Defenses for GCSE Biology. Plant pathogens, defense mechanisms, disease identification, crop protection It is section 10 of 17 in this topic. Use this deep dive to connect the idea to the wider topic before moving on to questions and flashcards.
Topic position
Section 10 of 17
Practice
18 questions
Recall
20 flashcards
Agricultural Impact and Crop Protection
Economic Consequences of Plant Disease
Direct Losses
- Reduced crop yields
- Lower quality produce
- Complete crop failure
- Cost of replacement planting
Indirect Costs
- Disease control measures
- Resistant variety development
- Processing and storage losses
- Market price fluctuations
Social Impact
- Food security threats
- Rural community effects
- International trade disruption
- Consumer price increases
Disease Prevention Strategies
Genetic Approaches
- Resistant varieties: Breeding plants with natural disease resistance
- Gene pyramiding: Combining multiple resistance genes
- Genetic diversity: Using diverse crops to prevent widespread disease
Cultural Practices
- Crop rotation: Breaking disease cycles by changing crops
- Plant spacing: Adequate spacing for air circulation
- Sanitation: Removing infected plant debris
- Water management: Avoiding overwatering and leaf wetness
Chemical Control
- Fungicides: Chemicals that kill or inhibit fungi
- Bactericides: Compounds effective against bacteria
- Preventive application: Applied before disease appears
- Integrated management: Combined with other strategies
Biological Control
- Beneficial microorganisms: Bacteria and fungi that fight pathogens
- Natural predators: Insects that eat disease vectors
- Plant extracts: Natural compounds with antimicrobial properties