BIOLOGICAL SCIENCES 432

CHEMICAL PESTICIDES AND THE ENVIRONMENT

99-3

PROFESSOR: Dr. R.A.Nicholson                                                                                      OFFICE: B8278

PREREQUISITES: BICH 321 or BICH 322 or permission of the Department.



TOPICS TO BE COVERED

INTRODUCTION Pesticides: classification, historical aspects, economic aspects,  benefits / adverse effects, toxicological
considerations.

PESTICIDE FORMULATION AND APPLICATION TECHNOLOGY

ENVIRONMENTAL PROCESSING OF PESTICIDES I: biotransformation and its significance.

INSECTICIDES Organochlorines, Organophosphorus compounds, Carbamates,   Pyrethroids and others will be examined in the context of chemistry, uses, interactions with living systems (including cellular and molecular mechanisms),toxicity, selectivity and resistance.

FUNGICIDES Inorganic fungicides and organic fungicides (both systemic and  non-systemic) - chemistry, uses, modes of action selectivity and resistance.

HERBICIDES Foliar applied herbicides, translocated vs. contact herbicides and   soil acting herbicides - chemistry, uses, modes of action, selectivity and resistance.

PESTICIDE RESIDUES Profiles in some environmental compartments.

ENVIRONMENTAL PROCESSING OF PESTICIDES II: Physicochemical properties of pesticides; movement, fate, and persistence in the environment;   pesticides and groundwater.

IMPACT OF PESTICIDES ON AQUATIC ORGANISMS

PESTICIDE LEGISLATION IN CANADA

FINAL GRADING:

Letter grade will be assigned from marks achieved in the
following exams:

MIDTERM EXAM (in Monday lecture period) 40% total
FINAL EXAM      60% total

EACH EXAM WILL BE BASED ON LECTURES, TUTORIALS AND ASSIGNED READINGS.

NOTES

1)  There is no textbook which adequately covers the full spectrum of topics. Detailed course notes ($10 fee) will be made available.

2)  As many of the topics are closely related they will not necessarily be covered in the order given.