Pesticides,lavacides, insecticide

1. Name- Tushar Kanojiya
Course - B.sc (PCM)
Paper name - Pesticide Chemistry
Topic- Pesticides and their benifits and adverse effects

2. Inrtroduction of pesticides
what is pesticides
?
Pesticidesarechemicalsubstancesthataremeanttokill
pests..
TheFood and AgricultureOrganization(FAO)hasdefined pesticide
as:
Any substance or mixture of substances intended for preventing,
destroying,or controllinganypest.
what are pests?
Organismwhichdamagescultivatedplantsorplantproductsor
makethemunfitforhumanconsumptionisknownaspest.
Add a subhea

3. • Insecticides – insects
• Herbicides – plants
• Rodenticides – rodents (rats &
mice)
• Bactericides – bacteria
• Fungicides – fungi
• Larvicides – larvae
Types of Pesticides
These are grouped according to the types of pests which they
kill:
Grouped by Types of Pests They Kill:

4. Classification of pesticides
Natural or Biological
pesticides
Synthetic
pesticides
Pesticidesderivedfromnaturalresources.
Anexampleispyrethrin,anaturalinsecticide
whichcanbeextractedfrom
chrysanthemums.Manyorganicpesticides
includeingredientssuchassoaps,lime-sulfur,
fermentedvinegarand
hydrogenperoxide.
Pesticidesthatare prepared inlaboratory
throughChemicalprocess.
Syntheticpesticidesareman-madechemicals
thataredesignedtokillorrepelpests.
SomeSyntheticpesticidesareGlyphosate,
Acephate,Deet,Propoxur,Metaldehyde,Boric
acid,Diazinon,Dursban,DDT,Malathion.

5. Renewable
energy
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Energy
efficiency
Green
cities
Sustainable
transportation
Circular
economy
working of pesticides
Pesticides work in following ways
• By blocking the cellular processes of the target organisms
in a purely mechanical way e.g., Spray oils, petroleum oils.
• By destroying or altering the pest's metabolism e.g.,
Rotenone and cyanide which disrupt respiratory function
in pests.
• By disrupting enzyme processes or denature proteins e.g.
Inorganic Copper compounds.
• By disrupting photosynthesis and preventing the weed
plant from producing or storing energy e.g., Triazine.

6. Benefits of using pesticides
• Improving productivity of
crops.
• Increased profits for farmers.
• Improve quality of
food.
• Pesticides can also help control
harmful pests, diseases, and
invasive plants that can impact
crops.

8. Projects that inspire:
Global success stories
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85%
Adverse effect or disadvantage of using pesticides
• The pesticide industries cause pollution of soil, water and air.
• The pesticidal residue washed along with rain water, is added to
the nearby water resources making it unfit for drinking.
• Various health problems are found in humans due to the use of
pesticides in crops like skin deseases,cancer,neurologic illness.
• Some farmers use excess amounts of pest repellents, increasing
their residues going into the ecosystem and polluting the
environment

9. Strategy

10. Conclusion
• Pesticides play a crucial role in increasing agricultural
productivity by controlling pests and diseases that can damage
crops.
• Pesticides can have adverse effects on human health, such as
acute poisoning and long-term chronic health issues.
• There are environmental concerns associated with pesticides,
including their impact on non-target organisms, water quality,
and soil health.
• Continued research and regulation are essential to minimize the
adverse effects of pesticides while maximizing their benefits in
agriculture.