1.
Introduction
Biopesticides are pesticides made from natural materials like bacteria, animals, plants, and
some minerals. Canola oil and baking soda, for instance, are Biopesticides because they can be
used as pesticides. There were approximately 780 registered Biopesticides products and 195
registered active ingredients at the end of 2001.

2.
Biopesticides fall into three major classes:
Microbial Pesticides:
Microbial pesticides contain a microorganism like a bacterium, fungus, virus, or protozoan as their
active ingredient. Microbial pesticides have the ability to control a wide variety of pests, but each
active ingredient is very specific to the pest it is intended to kill. Fungi, for example, kill specific
insects and control particular weeds. The most frequently used microbial pesticides are strains
and subspecies of Bacillus thuringiensis. This bacterium specifically kills a few related insect larvae
species and produces distinct proteins in each strain.

3.
Plant-Incorporated-Protectants (PIPs):
Plant-Incorporated-Protectants (PIPs) are pesticides made from genetic material incorporated into the
plant. These substances are referred to as pesticides. By taking the gene, scientists can, for instance,
incorporate the gene for the Bt pesticides protein into the plant's own genetic material. The plant, not the
bacterium, produces the substance that kills the pest. The protein and its genetic material are regulated by
the EPA, but not the plant itself.

4.
Biochemical Pesticides:
Substances that naturally occur and control pests through non-toxic mechanisms are known as
biochemical pesticides. Conventional pesticides, on the other hand, typically consist of synthetic
substances that kill or incapacitate the pest immediately. Insect sex pheromones, which prevent insects
from mating, and various scented plant extracts, which attract insects to traps, are examples of
biochemical pesticides. Because it can sometimes be difficult to tell, the Environmental Protection
Agency (EPA) has established a special committee to decide whether a substance meets the criteria for
being classified as a biochemical pesticide.

5.
Need for Biopesticides:
Since a long time ago, farmers have been using pesticides (chemicals) to control
pests and eradicate plant diseases. Between 1950 and 2000, it has been estimated
that the price of chemical pesticides increased by 250 to 3,000 times. As a result, it
is beyond the means of India's resource-poor farmers, particularly those who
cultivate high-risk rainfed crops and cannot afford to invest in costly chemical
pesticides. On the other hand, the cost of biological control agents will be well
within their means, and the cost would be even lower given that these agents live
on in nature and control the pest's subsequent generations. Pesticides based on
hazardous petroleum are expensive, and some of them are now losing their
effectiveness due to the development of resistant strains. Pesticides can't break
down and pollute the environment in some cases.

6.
Advantages of Using Biopesticides:
•Most of the time, Biopesticides are less harmful than conventional pesticides.
• In contrast to broad-spectrum, conventional pesticides, which may affect organisms as
diverse as birds, insects, and mammals, Biopesticides typically only affect the target pest and
closely related organisms.
•Biopesticides frequently only have a limited effect and rapidly decompose, reducing
exposures and largely avoiding the pollution issues brought on by conventional pesticides.

7.
• Biopesticides can significantly reduce the amount of conventional pesticides used in Integrated Pest
Management (IPM) programs while maintaining high crop yields.
• However, effective use of Biopesticides necessitates extensive pest management knowledge.

8.
Pesticides for the Garden:
Plant materials naturally occur in these quantities. Botanical pesticides can be crudely prepared from
ground plant parts to produce a dust or powder that can be used full strength or diluted in a carrier like
clay, talc, or diatomaceous earth in their simplest form. Dust from the Pyrethrum daisy flower, cube
roots (rotenone), Sabadilla seeds, Ryania stems, or neem leaves, fruit, or bark, and water extracts or
organic solvent extracts of the insecticidal component of plants are examples of such preparations.

9.
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