Insecticides for Small-Scale Sweet Corn Production


Insecticides registered for small-scale use on sweet corn in Utah, organized by Mode of Action (MoA).

Primary Active Ingredient

Brand Name

MoA

Residual Days

Aphid

Corn Earworm

Armyworm/Cutworm

Earwig

Sap Beetle

Seedcorn Maggot

Spider Mite

Corn Rootworm

bifenthrin

Ferti-lome Broad Spectrum Insecticide,               Ferti-lome Broad Spectrum  Insecticide RTS

3A

2-3 wks

X

X

X

X

X

X

Hi-Yield Vegetable & Ornamental Insect Control Granules, Bonide Eight Flower & Vegetable Soil Insect Granule

X

X

X

X

X

cyfluthrin

BioAdvanced Tomato & Vegetable Insect Killer RTU, BioAdvanced Tomato & Vegetable Killer RTS

3A

10-14

X

X

X

X

X

X

deltamethrin

Hi-Yield Multi-Use Dust

3A

14

X

X

X

X

X

lambda-cyhalothrin

GardenTech Insect Killer Lawn Granules

3A

10-14

X

X

X

X

X

X

Bonide Eight Garden & Home RTU, Spectracide Triaziscide Insect Killer for Lawn & Landscapes RTU

X

X

X

X

X

X

X

permethrin

Bonide Eight Vegetable, Fruit, & Flower Concentrate, Bonide Eight Yard & Garden RTS, Bonide Insect Control Garden Dust, Hi-Yield Garden & Farm Insect Control

3A

14

X

X

X

X

X

pyrethrins

Monterey Bug Buster

3A

5-7

X

X

X

X

X

X

X

X

zeta-cypermethrin

GardenTech Sevin Insect Killer Concentrate, GardenTech Sevin Insect Killer RTS

3A

10-14

X

X

X

X

X

X

bifenthrin + zeta-cypermethrin

GardenTech Insect Killer Lawn Granules

3A

2-3 wks

X

X

X

X

X

X

pyrethrins + canola oil

Epsoma Organic Insect Control

3A/UN

5-7

X

X

X

pyrethrins + neem oil

Ferti-lome Triple Action, Ferti-lome Triple Action Plus RTU

3A/UN

5-7

X

X

X

X

X

X

malathion

Bonide Malathion Concentrate

3B

5-7

X

X

X

Spectracide Malathion Insect Spray Concentrate

X

X

X

spinosad

Bonide Captain Jack’s Deadbug Brew Concentrate, Bonide Captain Jack’s Deadbug Brew Dust, Bonide Colorado Potato Beetle Beater, Monterey Garden Insect Spray, Natural Guard Spinosad Concentrate, Natural Guard Spinosad RTS

5

7-10

X

X

X

X

Bacillus thuringiensis

Monterey B.T., Monterey B.T. RTU

11

5-7

X

X

Bacillus thuringiensis var. Kurstaki

Natural Guard Caterpillar Killer Spray with BT RTU

11

5-7

X

X

sulfur + pyrethrins

BioAdvanced & Vegetable 3-in-1 Solution Concentrate, BioAdvanced & Vegetable 3-in-1 Solution RTU, Natria Insect, Disease, and Mite Control RTU, Natria Insect, Disease, and Mite Control RTS

UN/3A

10-14

X

X

X

X

X

X

X

Ortho Insect, Mite, & Disease 3-in-1 RTU

X

X

X

X

X

X

X

X

canola oil

Natural Guard Horticultural Oil Concentrate, Natural Guard Horticultural Oil Concentrate RTS

UN

3

X

eggs

X

neem oil

BioAdvanced Organics Neem Oil RTU, Epsoma Organic Neem Oil 3n1, Monterey Neem Oil RTU, Monterey 70% Neem Oil, Natria Neem Oil Concentrate, Natria Neem Oil RTU, Natural Guard Neem Concentrate, Natural Guard Neem RTU

UN

3

X

eggs

X

Safer Brand Neem Oil Concentrate

UN

X

X

cotton seed oil + clove oil + garlic oil

Bonide Mite X RTU

UN

3

X

eggs

X

potassium salts of fatty acids

Bonide Insecticidal Soap RTU, BioAdvanced Organics Insecticidal Soap RTU, Epsoma Organic Insect Soap, Monterey Insecticidal Soap RTU, Natria Insecticidal Soap RTU

UN

5-7

X

X

X

Natural Guard Insecticidal Soap

X

X

X

X

potassium salts of fatty acids + seaweed extract

Safer Brand Insect Killing Soap RTU Spray

UN/5

X

X

iron phosphate + spinosad

Bonide Captain Jack’s Bug & Slug Killer, Monterey Sluggo Plus

UN/5

2-4 wks

X

X

Natural Guard Bug, Slug, & Snail Bait

X

X

X

potassium salts of fatty acids + spinosad

Bonide Insecticidal Super Soap RTU,  BioAdvanced Organic Tomato, Vegetable, & Fruit RTU

UN/5

5-7

X

X

X

X

X

Monterey Garden Insect Spray RTU, Natural Guard Spinosad Soap Concentrate, Natural Guard Spinosad Soap RTS, Natural Guard Spinosad Soap RTU

X

X

X

X

X

X

potassium salts of fatty acids + sulfur

Safer Brand Insect Killing Soap Concentrate

UN

5-7

X

X

X

X

X

mineral oil

Safer Brand Horticultural & Dormant Spray Oil Concentrate

UN

3

X

X

X

silicon dioxide

Bonide Diatomaceous Earth

UN

7-14

X

X

X

X

X

X

X

Note: All products listed in this table are registered trademarks. The list is not all-inclusive, but provides examples of products that are available for small acreage and home use. Always review the product label for the specific crop you are treating, targeted pests, safety information, and preharvest intervals. All product information was reference in 2023 from various major personal-use pesticide suppliers.
O = Organic Active Ingredient