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 9 of 18 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 9 of 18
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