AUD 2b Lect #4 (applying pesticides correctly)

What group are pesticides regulated with

FIFRA (Federal Insecticide Fungicide Rodenticide Act)

What group are pesticides required to be registered with

EPA (Environmental Protection Agency)

What common information is on the labels of the products we use (5 of them)

• first aid info

• active ingredient info / inert ingredient %

• environmental hazard info

• treatment instructions / rates

• storage info

What is the PPE we need to wear when using our products

• rubber gloves

• safety goggles

• long sleeves

• long pants

• close toed rubber boots

What are some examples of specialized PPE we sometimes need to wear

• coveralls

• face shield

• respirator/face mask

• ear plugs

List the safety gear that is kept in our trucks

• eye wash

• ear plugs

• first aid kit

• plastic apron

• eye protection

• face masks

• coveralls

What are some everyday useful things to have with you

• pocket knife

• water

• bug spray

• sunscreen

• portable charger

• hat

• change of clothes

What is the best way to pour pesticides

tilt container sideways to limit splash back

What is the best way to pour dye

• directly from the bottle

• measure out over water or on grass

• watch the wind - don’t be stupid

What should we know about copper sulfate (granular)

• one of the oldest (1950s)/most effective algaecides

• overuse kills non-target fauna

• don’t use with koi

What is the max rate and minimum days between treatments for copper sulfate

• max rate: 4 ppm

• wait 14 days

What should we know about chelated copper (Cutrine Plus, Captain XTR, Clearigate)

• most have spray adjuvants

• good for hard water

• harmful to fish

What is the max rate and minimum days between treatments for chelated copper

• max rate: 1 ppm

• wait 14 days

What should we know about peroxides (GreenClean)

• considered organic

• don’t leave residue in envt

• few negative impacts on non-targets

• highly reactive (never mix)

What should we know about diquat (tribune, alligare)

• turbidity will decrease effectiveness

• synergistic with algaecides

• restrictions with drinking/irrigation water

What should we know about endothall (aquathol K)

• can be selective on submersed plant control

• some impact on algae

• broad spectrum use

What should we know about flumioxazin (flumigard)

• great for floating plants (duckweed, lilies)

• prefers acidic pH

• good with submersed plants

What should we know about glyphosate (aquaneat)

• systemic

• great for emergent/floating plants

• inactive in soils

• potentially carcinogenic

What is product synergy (good vs bad)

• good: 2 products work great together

• bad: 2 products become ineffective when combined

List some examples of products that have good synergy

• copper sulfate & diquat

• copper sulfate & flumioxazin

• chelated copper & diquat

• chelated coper & flumioxazin

• granular peroxides & granular copper sulfate

• chelated copper & Aquathol K

List some examples of products that have bad synergy

• chelated copper & peroxides

• copper sulfate & peroxides (wet)

• diquat & peroxides

• Aquathol/Hydrothol & copper sulfate

• glyphosate & tactic