Answers to Matching activities

Control measures

Chemical control…

involves the use of pesticides to control pests.

Biological control…

includes the use of natural enemies in the fight against pests.

Management control…

decisions for controlling pests are based on the changing of normal practices such as crop rotation.

Physical control…

includes tillage and manual removal.

Genetic control…

includes Bt cotton.

Noxious weed classification

W1

A notifiable weed that must be fully and continuously suppressed and destroyed.

W2

A weed that must be fully and continuously suppressed and destroyed.

W3

A weed that must be prevented from spreading its numbers and that should be reduced in its distribution.

W4

A weed that requires the action specified in the declaration to be undertaken.

Weed classification

Weed

A plant that is unwanted.

Noxious weed

A plant identified by legislation.

Environmental weed

A plant that affects the natural ecosystem.

Agricultural weed

A plant that affects the production of grain crops and pasture.

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