Agsci Quarterly Exam

Question 1

Refers to the research practice of controlling plant diseases

Answer 1

Crop Protection

Question 2

Scientific study of insects

Answer 2

Entomology

Question 3

Also knows as phytopathology

Answer 3

Plant Pathology

Question 4

Chemicals sprayed on weeds to control or eliminate them from agricultural fields

Answer 4

Weedicides

Question 4

Involves the management of vegetation in agricultural production systems

Answer 4

Weed Science

Question 5

Involves methods to control unwanted plants

Answer 5

Weed management

Question 6

Any plant Growing where it is not wanted

Answer 6

Weeds

Question 7

The process of removing weeds manually to prevent their growth and spread in crop fields

Answer 7

Weeding

Question 7

A comprehensive approach that integrates various pest control methods

Answer 7

Integrated Pest Management (IPR)

Question 8

A practice involving the systematic planting of different crops to disrupt pest cycles

Answer 8

Crop Rotation

Question 9

Ecosystem approach to crop production and protection

Answer 9

Phytosanitary Management

Question 10

In 600BC they used Oil, Ash and Sulfur

Answer 10

Greek and Romans

Question 11

When did Greek and Romans used a concoction made from crushed olives, burnt sulfur and salt to control ants and weeds in their crops

Answer 11

600BC

Question 12

in 800AD, they used arsenic

Answer 12

Chinese

Question 13

Chinese used arsenic,
mixed with water used to control insects on their field crops and citrus orchards

Answer 13

800 AD

Question 13

used tobacco, uses tobacco infusions(nicotine) and range of herbs

Answer 13

1600’s

Question 14

in this era Compounds such as sulfur and copper are used

Answer 14

1800’s

Question 14

man-made era

Answer 14

1930’s

Question 15

the weed control is revolutionized with herbicides such as 2-4-D

Answer 15

1940’s

Question 16

2-4-D in full is

Answer 16

2,4-dichlorophenoxyacetic acid

Question 17

first generation of pyrethroids

Answer 17

1960’s

Question 18

widely used in agriculture to make insecticides

Answer 18

Pyrethroids

Question 19

era of glyphosate

Answer 19

1970’s

Question 19

era of seed treatment

Answer 19

1990’s

Question 20

how many new active ingredients as of 2000’s

Answer 20

112 new active ingredients

Question 21

in 3000BC they used sulfur to control insects

Answer 21

Sumerians

Question 22

Sumerians ,first recorded use of an insecticide who used sulfur to compounds to control insects and mites

Answer 22

3000BC

Question 22

Is dangerous to animals and humans

Answer 22

Arsenic

Question 23

in 1600’s, they used tobacco and tobacco infusions

Answer 23

Farmers

Question 24

in 1800’s these are compounds that were used to protect fruits

Answer 24

sulfur and copper

Question 25

era of synthetic crop protection begins

Answer 25

1930’s

Question 26

meaning of synthetic

Answer 26

man-made

Question 27

era that used Herbicides

Answer 27

1940’s

Question 27

commercialized and gains popularity for its broad spectrum weed control and low tenacity to animal life

Answer 27

glyphosate

Question 28

used to create a protective barrier around a seed

Answer 28

Seed treatments

Question 29

plants scientists discover new active ingredient

Answer 29

2000’s

Question 30

use of Research-based products and sustainability

Answer 30

present

Question 31

RnD stands for?

Answer 31

Research and Development

Question 32

one of the most significant disadvantages of their widespread use