University of Nebraska Entomology - Postemergence Treatments for Soil Cutworms in Soybeans

University of
Nebraska

Department
of Entomology

Suggested Postemergence Treatments for Soil Cutworms in Soybeans

Updated April 13, 2007

Economic Threshold:
Treat when 5% of plants are damaged or cut, and larvae are less than 1 inch long.
Cutworms longer than one inch are likely to pupate (i.e. cease feeding) before causing significant additional damage.

This list is not inclusive. See http://www.greenbook.net or other resources for additional registrations.
This information is presented in abbreviated form. Be sure to consult the label for additional information and restrictions.

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R =Restricted-Use Product

Product
Name

Common
Name

Rate
(Formulation/Acre)

Restrictions/Comments

R Asana XL esfenvalerate 5.8-9.6 fl oz Do not exceed 0.2 lb ai. per acre per season. Do not feed or graze livestock on treated plants. 21 day harvest interval.

R Baythroid 2 cyfluthrin 0.8 - 1.6 fl. oz 45 day pre-harvest interval or period before feeding of dry vines. Green foliage may be fed 15 days after last application.

Dimethoate 400 dimethoate 1 pint 21-day harvest interval. Do not feed or graze within 5 days of last application.

R Furadan 4 F carbofuran ¼-½ pint Do not make more than 2 foliar applications per season. Do not apply within 21 days of harvest

R Lorsban 4 E chlorpyrifos 1-2 pints Do not apply more than 6 pints per acre per season. Do not apply last treatment within 28 days before harvest, nor apply last two treatments closer than 14 days apart. Do not allow livestock to graze in treated areas or otherwise feed treated forage, hay, and straw to meat or dairy animals.

Larvin 3.2 F thiodicarb 20-30 fl oz Apply in a minimum spray volume of 3 gal per acre by air or 15 gal per acre by ground. Do not feed forage hay or straw to livestock.

R Mustang zeta-cypermethrin 1.4-4.3 oz/A Do not graze or harvest treated soybean forage, straw, or hay for livestock. Do not apply more than 0.3lbs. a.i. per acre per season. 21 day harvest interval.

R Pounce 3.2 EC permethrin 2-4 oz Do not apply more than 0.4 lb ai per acre per season. Do not graze or feed soybean forage or hay. 60-day preharvest interval.

R Pounce 25 WP permethrin 3.2-6.4 oz Do not apply more than 0.4 lb ai per acre per season. Do not graze or feed soybean forage or hay. 60-day preharvest interval.

R Proaxis gamma-cyhalothrin 1.92-3.20 fl oz Do not apply within 30 days of harvest or more than 0.48 pints per acre per season.

R Scout 0.3 EC tralomethrin 2.28-3.41 fl oz Do not graze or harvest treated soybean forage, straw or hay for livestock feed. Do not apply more than 17 fl. oz per acre in one growing season. Do not apply within 21 days of harvest

Sevin XLR Plus, 4 F carbaryl 1 quart Do not apply with 14 days of grazing or harvest for forage, or within 21 days of harvest. Do not apply more than 6 quarts per acre per crop.

Sevin 80 S carbaryl 1 1/2 - 1 7/8 lb Do not apply with 14 days of grazing or harvest for forage, or within 21 days of harvest. Do not apply more than 7.5 lb per acre per crop.

R Warrior 1.0 EC lambda-
cyhalothrin 1.92-3.20 fl oz Do not graze or harvest treated soybean forage, straw or hay for livestock feed. Do not apply within 45 days of harvest. Do not apply more than 0.48 pints per acre per season.

	Product Name	Common Name	Rate (Formulation/Acre)	Restrictions/Comments

R	Asana XL	esfenvalerate	5.8-9.6 fl oz	Do not exceed 0.2 lb ai. per acre per season. Do not feed or graze livestock on treated plants. 21 day harvest interval.
R	Baythroid 2	cyfluthrin	0.8 - 1.6 fl. oz	45 day pre-harvest interval or period before feeding of dry vines. Green foliage may be fed 15 days after last application.
	Dimethoate 400	dimethoate	1 pint	21-day harvest interval. Do not feed or graze within 5 days of last application.
R	Furadan 4 F	carbofuran	¼-½ pint	Do not make more than 2 foliar applications per season. Do not apply within 21 days of harvest
R	Lorsban 4 E	chlorpyrifos	1-2 pints	Do not apply more than 6 pints per acre per season. Do not apply last treatment within 28 days before harvest, nor apply last two treatments closer than 14 days apart. Do not allow livestock to graze in treated areas or otherwise feed treated forage, hay, and straw to meat or dairy animals.
	Larvin 3.2 F	thiodicarb	20-30 fl oz	Apply in a minimum spray volume of 3 gal per acre by air or 15 gal per acre by ground. Do not feed forage hay or straw to livestock.
R	Mustang	zeta-cypermethrin	1.4-4.3 oz/A	Do not graze or harvest treated soybean forage, straw, or hay for livestock. Do not apply more than 0.3lbs. a.i. per acre per season. 21 day harvest interval.
R	Pounce 3.2 EC	permethrin	2-4 oz	Do not apply more than 0.4 lb ai per acre per season. Do not graze or feed soybean forage or hay. 60-day preharvest interval.
R	Pounce 25 WP	permethrin	3.2-6.4 oz	Do not apply more than 0.4 lb ai per acre per season. Do not graze or feed soybean forage or hay. 60-day preharvest interval.
R	Proaxis	gamma-cyhalothrin	1.92-3.20 fl oz	Do not apply within 30 days of harvest or more than 0.48 pints per acre per season.
R	Scout 0.3 EC	tralomethrin	2.28-3.41 fl oz	Do not graze or harvest treated soybean forage, straw or hay for livestock feed. Do not apply more than 17 fl. oz per acre in one growing season. Do not apply within 21 days of harvest
	Sevin XLR Plus, 4 F	carbaryl	1 quart	Do not apply with 14 days of grazing or harvest for forage, or within 21 days of harvest. Do not apply more than 6 quarts per acre per crop.
	Sevin 80 S	carbaryl	1 1/2 - 1 7/8 lb	Do not apply with 14 days of grazing or harvest for forage, or within 21 days of harvest. Do not apply more than 7.5 lb per acre per crop.
R	Warrior 1.0 EC	lambda- cyhalothrin	1.92-3.20 fl oz	Do not graze or harvest treated soybean forage, straw or hay for livestock feed. Do not apply within 45 days of harvest. Do not apply more than 0.48 pints per acre per season.

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