UPSC MainsAGRICULTURE-PAPER-I201212 Marks150 Words
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Q30.

Plant biosecurity

How to Approach

This question requires a concise yet comprehensive explanation of plant biosecurity. The approach should be to first define biosecurity and its relevance to agriculture. Then, detail the threats posed by plant pests and diseases, the measures employed for prevention and control, and the role of institutions and policies. Finally, briefly discuss the challenges and future directions in plant biosecurity, highlighting the need for international cooperation and technological advancements. A structured response with clear headings and bullet points will be crucial for clarity and within the word limit.

Model Answer

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Introduction

Plant biosecurity is a critical aspect of ensuring food security and agricultural sustainability. It encompasses measures to protect plants from pests and diseases, preventing economic losses, environmental damage, and threats to human health. Recent events, such as the rapid spread of Fall Armyworm (FAW) across Africa and Asia, underscore the vulnerability of agricultural systems to biosecurity threats. The Indian agricultural sector, heavily reliant on rain-fed agriculture and with a vast diversity of crops, faces significant challenges in maintaining plant biosecurity. This response will outline the key elements of plant biosecurity and the measures necessary to safeguard India's agricultural landscape.

What is Plant Biosecurity?

Plant biosecurity refers to a set of measures designed to protect a country's plant resources (crops, forests, and native flora) from pests, diseases, and invasive species. It's a proactive approach, focusing on prevention, early detection, and rapid response to minimize the impact of biosecurity risks.

Threats to Plant Biosecurity

  • Pests: Insects (e.g., FAW, Pink Bollworm), nematodes, and mites can devastate crops.
  • Diseases: Fungal, bacterial, and viral diseases can significantly reduce yields and quality. Example: Banana Bunchy Top Virus (BBTV) severely impacting banana production in Kerala.
  • Weeds: Invasive weeds compete with crops for resources and can harbor pests and diseases.
  • Contamination: Introduction of pathogens via seeds, planting material, or contaminated agricultural equipment.

Measures for Prevention and Control

Pre-Border Measures (Prevention)

  • Risk Assessment: Identifying potential pests and diseases based on their origin, host range, and potential impact.
  • Import Regulations: Strict quarantine measures and phytosanitary certificates for imported plants and plant products.
  • Awareness Campaigns: Educating farmers and the public about biosecurity risks and preventive measures.

At-Border Measures (Detection & Response)

  • Surveillance & Monitoring: Regular inspections of imported plants and crops.
  • Diagnostic Laboratories: Accurate and timely identification of pests and diseases.
  • Rapid Response: Implementing control measures (e.g., quarantine, eradication) to contain outbreaks.
  • Integrated Pest Management (IPM): Utilizing a combination of biological, cultural, and chemical control methods.

Key Institutions and Policies in India

Several institutions and policies are crucial for plant biosecurity in India:

  • Department of Agriculture & Farmers Welfare (DA&FW): Responsible for overall policy and coordination.
  • National Plant Protection Board (NPPB): Coordinates plant protection activities and provides technical support.
  • Plant Quarantine Act, 2003: Regulates the import of plants and plant products.
  • The Seed Act, 1966: Ensures the quality of seeds.
  • Bacterial Leaf Blight (BLB) Management Strategy: A specific plan to tackle BLB in rice.

Challenges and Future Directions

  • Climate Change: Altered pest and disease distribution patterns.
  • Globalization & Trade: Increased risk of introduction of new pests and diseases.
  • Limited Resources: Insufficient funding and trained personnel for surveillance and control.
  • Farmer Awareness: Need for better farmer education on biosecurity practices.
  • Technological Advancement: Utilizing drones for surveillance, developing diagnostic tools, and employing CRISPR technology for disease resistance.
Measure Description
Risk Assessment Evaluating potential biosecurity risks before allowing imports.
Quarantine Isolation of plants/materials to prevent spread of pests/diseases.
IPM Sustainable approach combining various control methods.

Conclusion

Plant biosecurity is an ongoing challenge demanding a multifaceted approach. Strengthening pre-border measures, enhancing surveillance capabilities, and fostering international collaboration are vital. Investing in research and development of innovative technologies, coupled with increased farmer awareness, is crucial for building a resilient and sustainable agricultural sector in India. A proactive and adaptive biosecurity system is essential to safeguard food security and protect India's agricultural heritage.

Answer Length

This is a comprehensive model answer for learning purposes and may exceed the word limit. In the exam, always adhere to the prescribed word count.

Additional Resources

Key Definitions

Phytosanitary Certificate
A certificate issued by the national plant protection organization of an exporting country, certifying that plants or plant products meet phytosanitary import requirements.
Invasive Species
An alien species whose introduction causes or is likely to cause harm to the environment, human health, or the economy.

Key Statistics

Pest damage costs India an estimated USD 60 billion annually (Source: Knowledge cutoff - Data may have changed).

Source: Various agricultural economic reports

India ranks among the top 10 countries globally in terms of the number of invasive alien species (Source: Knowledge cutoff - Data may have changed).

Source: IUCN reports

Examples

Fall Armyworm (FAW) Impact

FAW, first detected in India in 2018, has impacted maize, sorghum, and other crops, causing significant yield losses and economic hardship for farmers. Its rapid spread highlights vulnerabilities in biosecurity systems.

Frequently Asked Questions

What is the difference between quarantine and biosecurity?

Quarantine is a specific measure involving isolation, while biosecurity is a broader concept encompassing all measures to protect plants from pests and diseases.

Topics Covered

AgricultureEnvironmentPolicyPest ManagementDisease ControlQuarantine Measures