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Presented by
Chandrakant
(Microbiology)
Content
 Introduction
 Characteristics
 Types of Bio-pesticide
 Microbial pesticide
 Biochemical pesticide
 Plant Incorporated protectants
 Production of Bio pesticide
 Advantages
 Disadvantages
Introduction of pesticide
 Pesticide are chemical substances that are meant to kill
pests
 In general a pesticides is a chemical or a biological
agent such as a virus , bacterium , anti microbial
Type of pesticide
 These are grouped according to the types of pests which
they kill
 Insecticide – insects
 Herbicide – plants
 Rodenticide – rodent (rate & mice)
 Bactericide – bacteria
 Fungicide – fungi
 Larvicides - larvae
Benefits of pesticides
 Protecting crops from insects and other
pests
 Controlling pests and plant disease
vector
 Controlling organisms that harm other
human activities and structures
Effect of pesticide
 Any harmful effects that occur from small doses repeated
over a period of time are termed “chronic effects “
 Suspected chronic effects from exposure to certain
pesticides include-:
 Birth defects
 Toxicity to a fetus
 Genetic changes
 Blood disorders
 Nerve disorders
Function of pesticide
 Protect plant or plant products against pests/disease
before or after harvest
 Influence the life processes of plants
 Preserve plant products
 Destroy or prevent growth of undesired plants or parts
of plants
Bio-pesticide
Introduction
 Bio pesticide are certain type pesticides derived from
such natural material
 Ie- plants , animals , microbes or any other biologically
available source
 Plant protection agents
 Control pets by non toxic mechanisms
Characteristics
 They have a narrow target range and highly specific
mode of action
 They are slow acting
 They suppress pest populations
 They are often used as part of integrated pest
management program (IPM)
 They are generally safer to humans and the
environment than conventional pesticides
Types
 Microbial pesticide
 Bio chemical pesticide
 Plant incorporated protectants
 Microbial Pesticide-it consist’s of a
microorganisms such as , bacterium
fungus , virus & protozoan etc as
the active ingredients
 it can control many different kinds
of pets although each separate
active ingredient is relatively
specific for it’s target pest
 Ie- Bacillus Thuringiensis
Bacillus Thuringiensis
 Bacillus thuringiensis (BT) is a soil
borne bacteria
 BT was first discovered in 1901 by a
japanese scientist investigating the
decline in silkworm moth populations
which he attributed to the rode
shaped , gram-positive bacterium
 Has been used since the 1950s for
natural insect control
 It consists of a spore which gives it
persistence and a protein crystal
within the spore which is toxic
 that toxic protein differs depending on the subspecies it
makes proteins that are toxic to some insect when eaten
, but not others
 BT action is very specific
 Different strain of BT are specific to different receptors
in insect gut wall
 Bt toxicity depends on recognising receptors damage to
the gut by the toxic occurs upon binding to a receptor
each insect species possess different types of receptors
that will match only certain toxin proteins like a lock to
key
How Does BT Work
 Insect eats Bt crystals and spore’s
 The toxin binds to specific receptors in the gut and the
insects stops eating
 The crystals cause the gut wall to break down allowing
spore’s and normal gut bacteria to enter the body
 The insect dies as spore’s and gut bacteria proliferation in
the body
Bio chemical pesticides
 Biochemical pesticides are naturally
occurring substances that pests by non-
toxic mechanisms.
 Conventional pesticides by contrast are
generally synthetic material that directly
kill or inactivate the pest.
 Eg- neem oil extract
Plant incorporated protectants
 Pips are pesticidal substance that
plants produce from genetic material
that has been added to the plant.
 For ex- The gene from the BT
pesticidal protein and introduce the
gene into the plants own genetic
material.
 Then the plant instead of the
bacterium manufactures the
substance that destroys the peats.
Production of bio pesticide
Raw Material-:
 May be Organic or inorganic compound
 Different raw material for different pesticide
Reactor System-:
 Chemical process takes place in the presence of chemicals such ass
Oxidation nitration condensation etc
Fractioning system-:
 Separation process in which certain quantity of a mixture (solid ,
liquid , solute suspension or isotopes) is divide up in a number of
fractions in which composition change
Dryer-:
 Removal of water or other solvent by evaporation
from solid , semi- solid or liquid
 Final production steps before selling or packaging
products
Scrubber -:
To remove priority pollutants from pesticide using
scrubbing liquor
Waste water go to treatment plant
Packaging -:
 packed in dry and clean containers eg- drums type
depend on type of pesticide
 Capacity is 10, 25,50 ,100 ,200 lits.
Advantage of Bio-pesticide
 These are usually less toxic than conventional pesticide
 It affects only the target pests and closely related
organisms
 No harmful residue
 Environmental friendly
 Cost effective
 Improve food quality
Disadvantage of Bio-pesticide
 Bio-pesticide are high specific in action that it requires
an exact identification of the pest
 Slow speed of action that is unsuitable in an immediate
treatment of crops
 Difficult in culturing in a large quantity
Reference
 Slide share
 You tube
 Google , byju

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Biopesticide. pptx.

  • 2. Content  Introduction  Characteristics  Types of Bio-pesticide  Microbial pesticide  Biochemical pesticide  Plant Incorporated protectants  Production of Bio pesticide  Advantages  Disadvantages
  • 3. Introduction of pesticide  Pesticide are chemical substances that are meant to kill pests  In general a pesticides is a chemical or a biological agent such as a virus , bacterium , anti microbial
  • 4. Type of pesticide  These are grouped according to the types of pests which they kill  Insecticide – insects  Herbicide – plants  Rodenticide – rodent (rate & mice)  Bactericide – bacteria  Fungicide – fungi  Larvicides - larvae
  • 5. Benefits of pesticides  Protecting crops from insects and other pests  Controlling pests and plant disease vector  Controlling organisms that harm other human activities and structures
  • 6. Effect of pesticide  Any harmful effects that occur from small doses repeated over a period of time are termed “chronic effects “  Suspected chronic effects from exposure to certain pesticides include-:  Birth defects  Toxicity to a fetus  Genetic changes  Blood disorders  Nerve disorders
  • 7. Function of pesticide  Protect plant or plant products against pests/disease before or after harvest  Influence the life processes of plants  Preserve plant products  Destroy or prevent growth of undesired plants or parts of plants
  • 9. Introduction  Bio pesticide are certain type pesticides derived from such natural material  Ie- plants , animals , microbes or any other biologically available source  Plant protection agents  Control pets by non toxic mechanisms
  • 10. Characteristics  They have a narrow target range and highly specific mode of action  They are slow acting  They suppress pest populations  They are often used as part of integrated pest management program (IPM)  They are generally safer to humans and the environment than conventional pesticides
  • 11. Types  Microbial pesticide  Bio chemical pesticide  Plant incorporated protectants  Microbial Pesticide-it consist’s of a microorganisms such as , bacterium fungus , virus & protozoan etc as the active ingredients  it can control many different kinds of pets although each separate active ingredient is relatively specific for it’s target pest  Ie- Bacillus Thuringiensis
  • 12. Bacillus Thuringiensis  Bacillus thuringiensis (BT) is a soil borne bacteria  BT was first discovered in 1901 by a japanese scientist investigating the decline in silkworm moth populations which he attributed to the rode shaped , gram-positive bacterium  Has been used since the 1950s for natural insect control  It consists of a spore which gives it persistence and a protein crystal within the spore which is toxic
  • 13.  that toxic protein differs depending on the subspecies it makes proteins that are toxic to some insect when eaten , but not others  BT action is very specific  Different strain of BT are specific to different receptors in insect gut wall  Bt toxicity depends on recognising receptors damage to the gut by the toxic occurs upon binding to a receptor each insect species possess different types of receptors that will match only certain toxin proteins like a lock to key
  • 14. How Does BT Work  Insect eats Bt crystals and spore’s  The toxin binds to specific receptors in the gut and the insects stops eating  The crystals cause the gut wall to break down allowing spore’s and normal gut bacteria to enter the body  The insect dies as spore’s and gut bacteria proliferation in the body
  • 15.
  • 16. Bio chemical pesticides  Biochemical pesticides are naturally occurring substances that pests by non- toxic mechanisms.  Conventional pesticides by contrast are generally synthetic material that directly kill or inactivate the pest.  Eg- neem oil extract
  • 17. Plant incorporated protectants  Pips are pesticidal substance that plants produce from genetic material that has been added to the plant.  For ex- The gene from the BT pesticidal protein and introduce the gene into the plants own genetic material.  Then the plant instead of the bacterium manufactures the substance that destroys the peats.
  • 18. Production of bio pesticide
  • 19. Raw Material-:  May be Organic or inorganic compound  Different raw material for different pesticide Reactor System-:  Chemical process takes place in the presence of chemicals such ass Oxidation nitration condensation etc Fractioning system-:  Separation process in which certain quantity of a mixture (solid , liquid , solute suspension or isotopes) is divide up in a number of fractions in which composition change
  • 20. Dryer-:  Removal of water or other solvent by evaporation from solid , semi- solid or liquid  Final production steps before selling or packaging products Scrubber -: To remove priority pollutants from pesticide using scrubbing liquor Waste water go to treatment plant Packaging -:  packed in dry and clean containers eg- drums type depend on type of pesticide  Capacity is 10, 25,50 ,100 ,200 lits.
  • 21. Advantage of Bio-pesticide  These are usually less toxic than conventional pesticide  It affects only the target pests and closely related organisms  No harmful residue  Environmental friendly  Cost effective  Improve food quality
  • 22. Disadvantage of Bio-pesticide  Bio-pesticide are high specific in action that it requires an exact identification of the pest  Slow speed of action that is unsuitable in an immediate treatment of crops  Difficult in culturing in a large quantity
  • 23. Reference  Slide share  You tube  Google , byju