Ch 5 Iowa Core Manual

Pesticide Formulation

A combination of active and inactive ingredients, including dyes, stabilizers, and solvents.

A

Aerosols

B

Bait

C

Concentrate

D

Dust

DF

Dry flowable

E or EC

Emulsifiable concentrate

F

Flowable

G

Granule

L

Liquid

LC

Liquid concentrate or low concentrate

M or ME

Microencapsulated

P or PS

Pellets

RTU

Ready-to-use

S

Solution

SP

Soluble powder or soluble packet

ULV

Ultra low volume

W or WP

Wettable powder

WDG

Water-dispersible granule

WSP

Water soluble powder or water-soluble packet

What factors should be considered when choosing a pesticide formulation?

Applicator safety, environment, plant/animal/surface protection, pest biology, application equipment, and cost.

What are some advantages of aerosols as a pesticide formulation?

Portable, easily stored, retain potency.

What are some disadvantages of aerosols?

Risk of inhalation, puncture or explosion, difficult to confine.

What is pesticide incompatibility?

A situation where pesticides do not mix properly to form a uniform solution or suspension.

What is physical incompatibility?

When a mixture separates, forms putty, or curdles due to incompatibility or mixing procedures.

What is chemical incompatibility?

When a chemical reaction alters the activity of pesticides when mixed in a spray tank.

What is the purpose of adjuvants in pesticide mixtures?

To improve mixing, application, or effectiveness of the pesticide.

What is the function of surfactants in pesticide formulations?

To alter surface tension and increase spread.

What do stickers do in pesticide formulations?

Increase bonding of particles to the target surface.

What are plant penetrants?

Adjuvants that improve pesticide penetration into the plant.