Question

Explain different genetic methods of pest management with special reference to genetic engineering.

28 Jan 2026
Answer :
Word Count : 452
Genetic methods of pest management aim to reduce pest populations or modify pest behavior by manipulating genetic traits. These approaches are part of Integrated Pest Management (IPM) strategies, emphasizing environmentally safe, sustainable, and target-specific control measures. One key genetic method involves the development of pest-resistant crop varieties. Traditional breeding techniques use the natural genetic variability of plants to select and propagate individuals that exhibit resistance to specific pests. By introducing resistant genes from wild relatives or other crop varieties, plants can express traits such as production of secondary metabolites, anti-feedant compounds, or physical barriers like thicker cuticles, which reduce pest damage without relying heavily on chemical pesticides. With the advancement of molecular biology and genetic engineering, more precise genetic methods have been developed. Transgenic crops, or genetically modified organisms (GMOs), carry specific genes that confer resistance to pests. One well-known example is the introduction of Bacillus thuringiensis (Bt) genes into crops such as cotton, maize, and rice. Bt genes encode insecticidal proteins that target the gut of specific insect pests, causing mortality while remaining safe for humans, beneficial insects, and other
_________ ________ ________ _________ _______ _____.
___ ______ _________ ______ ________ _____.
_______ _____ ___ _____ ________.
______ _______ ___ __________ _________ _________ ______ _______.
______ ______ ______ ________ ______ _______ _________.
_____ ____ _______ ________ ________ _________ ________ __________.
_______ ___ _____ ________ _____ ____ ________ _______ _________ __________ _________.
________ ___ ________ _________ ____.
________ ______ _________ _________ ________ _______ ________ _____.
__________ _________ __________ ______ ______ __________ _________ ________ _________ ___.
___ ________ _______ ___ ___ ______.
______ ______ _________ ___ ___ __________ ________ _________ _________ _____ ____ __________.
______ _____ ____ _______ _______ ______ ____ _______ _____.
___ ___ ___ _____ ___ ____.
_______ __________ _______ _________ _____ _____.
_______ _________ ___ ____ ____ ______ ___ ______ __________.
__________ __________ __________ ____ ________ ________ _______ _________.
____ _________ _______ _______ ___ ______ _______ _____ ________ _____ ________.
________ ___ ___ ___ _________ _________ ___ __________ ___ _________ __________ _____.
________ _____ _________ _____ _____ ____ _____ ________.
_______ ______ ____ ________ ___ ___ ___ ______ _____ ________.
_______ ______ ____ ________ ___ _______ ____ ______ __________ _____ __________.
______ ______ _________ _____ ___ ____ __________ __________.
____ ________ ____ ____ ____ ___ __________ _________ _____ _________.
__________ ___ ___ __________ _________ _________ _________ _____ ______ _____ ___ ______.
_________ _________ ___ ________ ____ ________ _______ ______ ____ ______.
__________ ________ _______ ____ ________ ________ ___ _______ ______ _________.
__________ _____ _________ _____ _________ ______ ____ _____.
________ ____ ______ ___ ___.
_______ _________ _____ _____ _______.
_____ __________ _________ _______ ____ ______ _________.
_______ _______ __________ _______ __________ _______ __________ _______ _____ __________.
________ ____ _____ _______.
IGNOU ACADEMY
Your IGNOU journey, made easier.
  • Solved Assignments
  • Study Notes
  • Guess Papers
  • Question Papers
Skip in 10
Top
📞
Call Support Instant phone assistance IGNOU APM 1 2026 - Explain different genetic methods of pest management with special refe | IGNOU Academy
→
🟢
WhatsApp Chat Fast live messaging
→
Email Us Business enquiries & support
→