Physical and Mechanical Control

Question 1

The blending of all effective, economical, practical and environment and ecologically sound pest control methods into a single but flexible approach in managing pests.

Answer 1

Integrated pest management

Question 2

IPM maintains the population of any pest, or pests at or below the level that causes damage or loss, and which minimizes adverse impacts on society and environment.

Answer 2

True

Question 3

Different tactics of IPM?

Answer 3

chemical, biological, cultural, physical, genetic, and regulatory procedures.

Question 4

To optimize pest control in relation to the total plant production system in the light of economic, social, and environmental conditions

Answer 4

Integrated pest management goal

Question 5

____ is the modern arsenal of pest control weapon is large and diverse. It encompasses not only the methods that cause direct mortality, but also a variety of other tactics that reduce the reproductive potential of a pest population or modify its behavior.

Answer 5

Pest control tactics

Question 6

_____ refers to the tactics use to kill a pest. It is part of the integrated pest
management.

Answer 6

control method

Question 7

____ refers to the mixed practices or mixture of control methods used to suppress the pest population. It is a mixture or programmed strategy to circumvent pests.
It contains different strategies that generally address an endemic, pandemic or any pestiferous issues.

Answer 7

Integrated pest management

Question 8

What are the different control methods and or procedures applicable in preparing an integrated pest management?

Answer 8

1. Physical/Mechanical Control
2. Cultural control
3. Biological control
4. Behavioral Control
5. Chemical Control
6. Genetic Control
7. Host Plant Resistance
8. Regulatory Control

Question 9

___ refers to direct or indirect methods that destroy pests outright or make the environment unsuitable for entry, dispersal, survival and reproduction. It includes a wide variety of devices that exclude, entrap, entangle, or electrocute insects.

Answer 9

Physical/Mechanical Control

Question 10

___ involves the use of mechanic force or manual labor and mechanical device such as mechanical barrier, ex, use of nylon net to control diamond back moth, flea beetle, cabbage web worm etc, of crucifers.

Answer 10

Mechanical Control

Question 11

___ involves the use of physical factors such as temperature, moisture, light and sound. Man uses physical control where he can, but difficult or impossible, except in controlled environment.

Answer 11

Physical Control

Question 12

What are the Physical Control Techniques

Answer 12

A. Temperature Manipulation
B. Moisture Manipulation
C. Light Manipulation

Question 13

PROVISION OF LIGHT CAUSES:

1. Mating frequency reduction-
2. Reduce fertility-
3. Diapause disruption-

Answer 13

1. Red hairy caterpillar
2. Indian meal moth
3. All diapausing insect

Question 14

___It serves many purposes like monitoring initial infestation. seasonal incidence, pest-weather, relationship, pest intensity, pest survey, trapping and killing.

Answer 14

Light Trapping

Question 15

What are the Mechanical Control Techniques?

Answer 15

A. Manual Labor
A.1. Handpicking
A.2. Shaking the plant
B. Mechanical Force
B.1. Entoleter
B.2 Hopped Dozer
B.3. Tillage Implements
C. Mechanical Exclusion
1.Banding
2. Wrapping/Bagging
3.Netting
4.Trenching
5.Water Barrier
6. Tim Barrier
7. Trapping
8. Insect Proof packing (stored pests)
9. Electric fencing

Question 16

What are two basic types of physical control,?

Answer 16

Active methods and Passive methods

Question 17

____use some form of energy to destroy, injure, or induce stress in crop pests or to remove them from the environment. This type of approach has an effect at the time of application, with virtually no residual action.

Answer 17

Active methods

Question 18

cause changes in the environment and have a more lasting effect.

Answer 18

Passive methods,

Question 19

Physical methods of control also can be classified according to the mode of energy use:

Answer 19

1.thermal shock (heat),
2.electromagnetic radiation (microwaves, infrared and radiofrequencies),
3.mechanical shock,
4.and pneumatic control (blowing or vacuuming tools)

Question 20

______to keep pests out, combined with physical suppression techniques, are the cornerstone of the approach adopted by industrialized countries to replace_____

Answer 20

Mechanical barriers
methyl bromide.

Question 21

Other techniques such as diatomaceous earth, hydrophilic particle films, sticky traps, and oils also are _____

Answer 21

passive techniques.

Question 22

This type of approach is based on the premise that the commodity or crop to be protected will be less sensitive than the target pest to an abrupt change in temperature.

Answer 22

thermal shock

Question 23

_____ kills insects by raising their internal temperature.

Answer 23

Nonionizing electromagnetic radiation

Question 24

The utilization of radio, microwave, and infrared frequencies is based on a principle similar to that of thermal shock methods except that, with applications involving electromagnetic radiation, the transfer of energy occurs without using a heat transfer fluid.

Answer 24

true

Question 25

Technologies that harness electromagnetic radiation are often too expensive for use in the field.

Answer 25

true

Question 26

Passive methods should be used whenever possible, because they extend the length of the treatment. For example, plastic-lined trenches along field boundaries trap potato beetles during the whole migration period.

Answer 26

true

Question 27

Pneumatic control consists in using an airstream to dislodge insect pests. Insects that are removed by vacuum pressure are killed when they pass through the moving parts of the blower (mechanical shock). After being dislodged by a blowing device, individuals of some insect species are injured and die because they are unable to climb back onto the host plant.

Answer 27

true

Question 28

EXAMPLE PHYSICAL ENERGY/CONTROL

Answer 28

Shaking the tree Light Trap Heat Sterilization Hand Picking Use of Reflectors Fruit Bagging Sticky Trap Trap Nets

Question 29

Examples of Physical Barrier

Answer 29

Fencing Banding Floating row covers

Question 30

Example of MECHANICAL MEANS

Answer 30

Mechanical Weed Control Forceful Water Spray

Question 31

Some Physical/Mechanical Control Practices:

Answer 31

Use of various types of mulches Pinching off diseased parts Hand destruction or removal of insects Mechanical traps and attractants Forceful stream of water Physical removal Physical exclusion Grain drying Light trapping Removal of insects and damaged plants

Question 32

______Centrifugal force is applied to kill insects of stored grain pest.

Answer 32

Entoleter

Question 33

Kill nymphs of locusts by herding into trenches and filling with soil.

Answer 33

Hopped Dozer

Question 34

Soil-borne insects, pupae of many insects.

Answer 34

Tillage Implements

Question 35

_____the removal of infestation foci such as commodity residues, secondary or unproductive primary hosts for field crops.

Answer 35

Physical removal

Question 36

_____this method is highly applicable in the storage facilities by excluding the treated grains to avoid re-infestations by pest insects.

Answer 36

Physical exclusion

Question 37

_____this is a practice to reduce the grain moisture content and therefore become less prune to insect pests attack especially the beetles of rice in the storage.

Answer 37

Grain drying

Question 38

____ this method of control is highly applicable to pest nocturnal insects by attracting/trapping them by the use of lights at night time.

Answer 38

Light trapping

Question 39

Problems with Physical and Mechanical Control

Answer 39

Labor intensive Cumbersome Inefficient Often viewed as inhumane