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PEST AND VECTOR CONTROL Tutor PEST AND VECTOR CONTROL Tutor

PEST AND VECTOR CONTROL Tutor - PowerPoint Presentation

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PEST AND VECTOR CONTROL Tutor - PPT Presentation

B4 Athari Dini Desmona Hidayatussalamah Pusfakencanasari Muhammad Zulfikar Azhar Nadia Iswandari Rafsae Iqbal Akbar Rani Monica R Regina Melia Reynaldi H Sheilla Selvina Syaiful Anwar ID: 673927

pest control breeding vector control pest vector breeding insects effective killing insecticides vectors mosquito reduce populations water areas disease

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Slide1

PEST AND VECTOR CONTROL

Tutor

B4

:

Athari

Dini Desmona

Hidayatussalamah Pusfakencanasari

Muhammad Zulfikar Azhar

Nadia Iswandari

Rafsae Iqbal Akbar

Rani Monica R.

Regina Melia

Reynaldi H.

Sheilla Selvina

Syaiful AnwarSlide2

Definition

Pest Control refers to the regulation or management of a species defined as a pest, usually because it is perceived to be detrimental to a person's health, the ecology or the economy. Vector Control

any method to limit or eradicate the mammals, birds, insects or other arthropods which transmit disease pathogens. The most frequent type of vector control is mosquito control using a variety of strategies.Slide3

History

AgentEnvironmentHost

Vector

At the end of the 19

th

century, it was discovered that

certain species of insects, other arthropods & freshwater snails

were

responsible for

the

transmission of some important diseases

effective

vaccines or drugs were not always available for the prevention or treatmen

t of these diseases, control of transmission often had to rely mainly on

control of the vectorSlide4

Early control programs included

: the screening of houses the use of mosquito nets the drainage or filling of swamps and other water bodies used by insects for breeding

the application of oil or Paris green to breeding placesSlide5

Pest control is at least as old as agriculture, as there has always been a need to keep crops free from pests. The conventional approach was probably the first to be employed, since destroy weeds by burning them or plowing them under, kill larger competing herbivores, such as crows and other birds eating seeds. Techniques

such as crop rotation, companion planting (also known as intercropping or mixed cropping), and the selective breeding of pest-resistant cultivars have a long history.

Chemical pesticides

date back 4,500 years, when the Sumerians used sulfur compounds as insecticides.

The Rig Veda, which is about 4,000 years old, also mentions the use of

poisonous plants for pest control.

It was only with the industrialization and mechanization of agriculture

in the 18th and 19th century

, and the introduction of the insecticides pyrethrum and derris that chemical pest control became widespread

. In the 20th century, the discovery of several synthetic insecticides, such as DDT, and herbicides boosted this development.

Chemical pest control is still the predominant type of pest control today.Slide6

dichlorodiphenyltrichloro

- ethane (DDT) in the 1940s was a major breakthrough in the control of vector-borne diseases,the advantages: highly effective for killing indoor-resting mosquitoes cheap to produce

remained active over a period of many months.

effective and economical in the control of other

biting flies and midges and of infestations with

fleas, lice, bedbugs and

triatomine

bugs.Slide7

Methods of Control

Habitat Control Removing or reducing areas where vectors can easily breed can help limit population growth. For example, stagnant water removal, destruction of old tires and cans which serve as mosquito breeding habits and good management of used water can reduce areas of excessive vector incidence. Reducing Contact Limiting exposure to insects or animals that are known disease vectors can reduce infection risks significantly. For example, bed nets, window screens on homes, or protective clothing can help reduce the likelihood contact with vectors. To be effective this requires education and promotion of methods amongst the population to raise the awareness of vector threats.Slide8

Continiue.......Chemical control Insecticides, larvicides, rodenticides and repellents can be used to control vectors. For example, larvicides can be used in mosquito breeding zones; insecticides can be applied to house walls or bed nets, and use of personal repellents can reduce incidence of insect bites and thus infection. Biological Control

The use of natural vector predators, such as bacterial toxins or botanical compounds, can help control vector populations. Using fish that eat mosquito larvae or reducing breeding rates by introducing sterilized male tsetse flies have been shown to control vector populations and reduce infection risks. Slide9

Importance of Vector Control

For diseases where there is no effective cure, such as West Nile Virus and Dengue fever, vector control remains the only way to protect populations. Both prevention through vector control and treatment are needed to protect populations. As the impacts of disease and virus are devastating, the need to control the vectors in which they carried is prioritized. Vector control in many third world areas can have tremendous impacts as it increases mortality rates, especially among infants.Because of the high movement of the population, disease spread is also a greater issue in these areas.Slide10

-Pest Control-

Types of Pest Control

Biological Pest Control

T

he control of one through the control and management of natural predators and parasites

.

The point of biological pest control, or any natural pest control, is to eliminate a pest with minimal harm to the ecological balance of the environment in its present form.Slide11

2. Elimination of breeding grounds

Proper waste management and drainage of still water, eliminates the breeding ground of many pests.3. Poisoned bait Poisoned bait is a common method for controlling rat populations, however is not as effective when there are other food sources around, such as garbage. Poisoned meats have been used for centuries for killing off wolves, birds that were seen to threaten crops, and against other creatures. Slide12

4.

Field burning Traditionally, after a sugar cane harvest, the fields are all burned, to kill off any insects or eggs that might be in the fields.5. Hunting In some nations, teams of rat catchers work at chasing rats from the field, and killing them with dogs and simple hand tools.Slide13

6. Poison Spray

Spraying poisons by planes, hand held units, or trucks that carry the spraying equipment, is a common method of pest control.7. Space Fumigation A project that involves a structure be covered or sealed airtight followed by the introduction of a penetrating, deadly gas at a killing concentration a long period of time (24-72hrs.). Although expensive, space fumigation targets all life stages of pests.Slide14

8. Space Treatment

A long term project involving fogging or misting type applicators. Liquid insecticide is dispersed in the atmosphere within a structure. Treatments do not require the evacuation or airtight sealing of a building, allowing most work within the building to continue but at the cost of the penetrating effects. Contact insecticides are generally used, minimizing the long lasting residual effects9. Sterilization Laboratory studies conducted with U-5897 (3-chloro-1,2-propanediol) where attempted in the early 1970s although these proved

unsuccessful.Research

into sterilization bait is ongoing.

Another effective method of soil sterilization is soil steaming. Pest is killed through hot steam which is induced into the soil.Slide15

10. Destruction of Infected Plants

Forest services sometimes destroy all the trees in an area where some are infected with insects, if seen as necessary to prevent the insect species from spreading. Farms infested with certain insects, have been burned entirely, to prevent the pest from spreading elsewhere.11. Natural Rodent Control12. Repellents13. Trap Traps have been used for killing off mice found in houses, for killing wolves, and for capturing raccoons and stray cats and dogs for disposal by town officials.Slide16

Thank you