Lecture 8- Pesticides Flashcards by Lizzy Clarke | Brainscape

Q

What is a herbicide?

A

Kills weeds leaving crops unharmed

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Q

What is a fungicide?

A

Protects from fungal pathogens

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Q

What are insecticides?

A

Kills target pest but protects beneficials

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Q

Give an example of a beneficial

A

Ladybird

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Q

What do nematocides kill?

A

Nematodes

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Q

What does a molluscicide kill?

A

Slugs

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Q

What does a rodenticide kill?

A

Mice and rats

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Q

What does a acaricide kill?

A

Mites

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Q

What percentage of farmers use pesticides?

A

97%

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Q

What are the 4 types of pesticides?

A

Contact
Residual
Translocated
Translaminar

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Q

How does contact pesticides work?

A

Limited within the plant

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Q

How does residual work?

A

Soil applied active for months or weeks

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Q

How does translocation work?

A

Moves within the plant in the xylem and phloem

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Q

How does translaminar work?

A

Moves one side of the leaf to the other

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Q

What are the two types of herbicides?

A

Selective

Non selective

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Q

What is a selective herbicide?

A

Kills target weeds

Q

What is non selective?

A

Kills any plant