Agricultural Pesticides Application Quiz

Play an AI-generated podcast conversation about this lesson

What is the primary requirement for a chemical to be used as a pesticide?

It should be stable and tenacious (correct)

It should be inexpensive

It should be effective for a long time

It should be compatible with other pesticides

What is the main concern with applying chemical pesticides over a large area?

It may not be compatible with other pesticides

It may adversely affect the biological equilibrium of the area (correct)

It may be too expensive

It may not be stable under normal conditions

What is the key requirement for pesticides that are mixed and applied simultaneously?

They should be applied accurately and effectively

They should be inexpensive

They should be compatible and not reduce each other's effectiveness (correct)

They should be stable under normal conditions

What is the main benefit of using broad-spectrum/non-selective pesticides?

They are active on a multitude of different pests Signup and view all the answers

What is the main characteristic of narrow-spectrum/selective pesticides?

They are only active on certain types of pests Signup and view all the answers

What is the primary economic consideration for using pesticides?

They should be as inexpensive as possible Signup and view all the answers

What is the abbreviation for suspension concentrate?

SC Signup and view all the answers

Which type of formulation is characterized by slow release of the active ingredient?

Microencapsulated (M or ME) Signup and view all the answers

What is the main feature of ready-to-use aerosol formulations?

Self-contained units Signup and view all the answers

Which formulation type is often used for pest control operations similar to Emulsifiable Concentrates (ECs)?

Flowable (F) Signup and view all the answers

What might cause residues to remain longer than expected on treated plants or surfaces?

Dry or cool weather conditions Signup and view all the answers

Which type of formulation uses an inert pressurized gas to propel pesticide through a fine opening?

Aerosol (A) Signup and view all the answers

What type of pesticide is effective for the control of sucking insects?

Contact poison Signup and view all the answers

What is the mode of action for stomach poisons?

Absorbed through the digestive tract Signup and view all the answers

How do translaminar pesticides work?

Forming a reservoir of active ingredient within the leaf Signup and view all the answers

What is the method of application for systemic pesticides?

Applying as a drench or granule to the growing medium Signup and view all the answers

Which type of pesticide is effective against insects with chewing-type mouthparts?

Stomach poison Signup and view all the answers

What is the main difference between contact poisons and systemic pesticides?

Contact poisons are applied directly to the insect's body, while systemic pesticides are applied to the growing medium. Signup and view all the answers

What is the main reason why pesticides can be incompatible when mixed?

Their pest control activity changes Signup and view all the answers

Which type of adjuvant helps to reduce excessive foaming of spray mixtures?

Antifoaming agent Signup and view all the answers

What should be done first when using a buffer or pH modifier?

Ensure the water is pH neutral or slightly acidic Signup and view all the answers

Which of the following is NOT a reason for pesticide incompatibility?

Increased effectiveness Signup and view all the answers

What do compatibility agents help with?

Mixing pesticides effectively Signup and view all the answers

When should you consult the pesticide product label regarding adjuvants?

Before using the adjuvant Signup and view all the answers

What type of surfactants are most often used with contact pesticides?

Anionic surfactants Signup and view all the answers

Which type of surfactants should not be used as stand-alone surfactants due to potential phytotoxicity?

Cationic surfactants Signup and view all the answers

What type of surfactants are often used with systemic products to help pesticides penetrate plant cuticles?

Nonionic surfactants Signup and view all the answers

What does acute exposure refer to in the context of pesticide poisoning?

A one-time contact with a pesticide for 24 hours or less Signup and view all the answers

How is chronic toxicity studied in experimental animals?

By exposing them to a pesticide for more than three months Signup and view all the answers

Which type of surfactants are compatible with most pesticide products?