DESCRIPTION OF COURSES

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AC 602 CHEMISTRY OF BIOPESTICIDES                                                                            (3L+1P) III

Objective
  To teach chemistry of conventional biopesticides, semiochemicals and allelochemicals, phytoalexins, pesticides of microbial origin and application of biotechnology in pest management.

Theory

UNIT I
  Sources of biopesticides and extraction (ASE, SFE /solvent extraction

UNIT II
  Isolation, characterization, properties and mode of action of important groups of naturally occurring insecticides (pyrethroids, nicotinoids, rotenoids, limonoids, microbial macrolides).

UNIT III
  Bacillus thuringiensis and nuclear polyhedrosis virus based insecticides and other biopesticides.

UNIT IV
  Semiochemicals, insect hormones, insect growth regulators, feeding deterrents and repellents etc

UNIT V
  Natural nematicides, fungicides, mollusicides and rodenticides

UNIT VI
  Alleochemicals. Anti JH / JH mimics and moulting agonists.

Practicals
  Extraction by hydrodistillation, isolation of pure compounds, their characterization, Extraction of tobacco leaves, isolation of nicotine and its identification, Extraction of neem seed kernels, enrichment of azadirachtin, analysis of azadirachtin and its analysis.

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