Updated February 15, 2017
Economic Threshold:
More than 50% of plants with armyworm feeding damage, and live armyworms less than 1.25 inches long are numerous (Purdue University).
See https://www.greenbook.net or other resources for additional registrations.
*Consult product label for specific information and restrictions.
IRAC Mode of Action Classification: |
|
Mode Of
Action |
Product
Name |
Common
Name |
Rate
(Formulation/Acre) |
Restrictions/Comments
|
---|---|---|---|---|
3 R | Ambush 2EC | permethrin | At Planting: 0.5 fl oz/1000 row ft Pre-Emergence, and Post-Emergence: 6.4-12.8 fl oz |
Apply in an infurrow, band, or t-band at planting in a minimum of a 4-inch band. PHI 30 days for grain or fodder (stover). Forage may be harvested on the day of application. |
3 R | Arctic 3.2EC | permethrin | At Planting: 0.3 fl oz/1000 row ft Pre-Plant Incorporated or Pre-Emergence: 0.3-0.6 fl oz/1000 row ft or 4-6 fl oz/acre Post Emergence: 4-6 fl oz/acre |
Planting time: apply as an infurrow, band or t-band treatment using a minimum 4 inch band. Pre-Plant Incorporated and Pre-Emergence: apply in time period from 5 days prior to planting up to emergence of the crop. PHI 30 days for harvest of grain or fodder (stover). Forage may be harvested on the day of application. |
3 R | Asana XL | esfenvalerate | 5.8-9.6 fl oz | PHI 21 days. |
3 R | Baythroid XL | cyfluthrin | 1.6-2.8 fl oz | PHI 21 days for grain or fodder and 0 days for green forage. Recommended for use against 1st and 2nd instar larvae. |
28 | Belt SC | flubendiamide | 2-3 fl oz | PHI 1 day for green forage and silage and 28 days for grain or stover. |
3, 28 R | Besiege | lambda-cyhalothrin, chlorantraniliprole |
6-10 fl oz | PHI 21 days. Do not feed treated corn fodder or silage to meat or dairy animals within 21 days after last treatment. Use higher listed rates witin the listed rate range for large larvae. |
11 | Biobit, Deliver, Dipel, Lepinox, XenTari, etc. |
Bacillus thuringiensis | See Product Label | PHI 30 days. |
3R | Brigade 2EC, Fanfare 2EC, Bifenture EC, Discipline 2EC, Sniper, Tundra EC |
bifenthrin | At Planting: 0.15-0.30 fl oz/1000 row ft Pre-Plant Incorporated: 3-4 fl oz/acre Pre-Emergence: 2.56 fl oz/acre Post Emergence: 2.1-6.4 fl oz/acre |
PHI 30 days. Do not graze livestock in treated area or cut treated crops for feed within 30 days of treatment. Do not apply to soil where there is greater than 30% cover of crop residue remaining. |
3 R |
Capture LFR
|
bifenthrin
|
At Planting: 0.20-0.39 fl oz/1000 row ft Pre-Plant Incorporated: 4.0-5.3 fl oz/acre Pre Emergence: 3.4 fl oz/acre |
Capture LFR insecticide is for mixing directly with liquid fertilizer to control soil insect pests. Do not apply to soil where there is greater than 30% cover of crop residue remaining. |
1B, 3 R | Cobalt | chlorpyrifos and gamma cyhalothrin |
PrePlant, At-Plant, or Pre-Emergence: 13-38 fl oz Post-Emergence: 13-26 fl oz |
PHI 21 days for grain, ears, forage or fodder. |
1B, 3 R | Cobalt Advanced | chlorpyrifos and gamma cyhalothrin |
PrePlant, At-Plant, or Pre-Emergence: 11-38 fl oz Post-Emergence: 11-26 fl oz |
PHI 21 days for grain, ears, forage or fodder. |
3 R | Delta Gold | deltamethrin | 1.5-1.9 fl oz | PHI 21 days for grain or fodder. PHI 12 days for cutting or grazing for forage. |
11B2 | Dipel ES | Bacillus thuringiensis kurstaki strain ABTS-351 |
2.0-4.0 pts | Treat when plants first exhibit feeding signs in the whorl of leaves. |
3 R | Fastac EC | alpha-cypermethrin | 3.2-3.8 fl oz | PHI 30 days for grain and stover. PHI 60 days for forage. |
3 R | Hero | zeta-cypermethrin and bifenthrin |
4.0-10.3 fl oz | Labelled for at planting-time and foliar applications. For armyworm spp. at planting, apply on the soil surface in a 5-7 inch band in a minimum of 3-7 gallons per acre. PHI 30 days for grain and stover and 60 days for forage. |
18 | Intrepid 2F | methoxyfenozide | 4-16 fl oz | PHI 21 days. |
1A R | Lannate LV | methomyl | 0.75-1.50 pts | PHI 21 days for ears and stover, and 3 days for forage. |
1A R | Lannate SP | methomyl | 0.25-0.50 lb | PHI 21 days for ears and stover, and 3 days for forage. |
1B R | Lorsban Advanced, Lorsban 4E, Govern 4E, Hatchet, Warhawk, Yuma 4E |
chlorpyrifos | 1-2 pts | PHI 21 days before harvest of grain, ears, forage or fodder. |
1B R | Methyl 4EC | methyl parathion | 0.5 pt | PHI 12 days. Do not apply during the pollen shed period. |
3 R | Mustang Maxx, Respect |
zeta-cypermethrin | 3.2-4.0 fl oz | PHI 30 days for grain and stover. PHI 60 days for forage. |
1B R | Lorsban Advanced, Lorsban 4E, Govern 4E, Hatchet, Nufos 4E, Warhawk, Yuma 4E |
chlorpyrifos | 1-2 pts | For aerial applications use 2 - 5 gal of spray per acre. Do not apply within 35 days of harvest of grain. |
1B R | Penncap-M | microencapsulated methyl parathion |
2-3 pts | PHI 12 days for harvest, forage and grazing. |
3 R | Pounce 1.5G | permethrin | 6.7-10.0 lbs broadcasted, 8 oz/1000 row ft |
May be applied as a pre-plant incorporated, pre-emergence, planting time or foliage use application. Do not make treatments less than 7 days apart. PHI 30 days for grain and fodder (stover). Forage may be harvested on the day of application. |
3 R | Pounce 25WP | permethrin | 6.4-9.6 oz | Up to 0.6 lb ai per acre may be used per season. |
3 R | Proaxis | gamma- cyhalothrin |
2.56-3.84 fl oz | For control of 1st and 2nd instars only. PHI 21 days. |
5 | Radiant SC | spinetoram | 3-6 fl oz | *Not labelled for control of yellowstriped armyworm or western yelllowstriped armyworm. PHI 28 days for grain and 3 days for fodder or forage. |
1A | Sevin XLR Plus | carbaryl | 1-2 qts | PHI 48 days for grain and fodder or 14 days for grazing and silage. |
1B, 3 R | Stallion | chlorpyrifos + zeta-cypermethrin |
9.25-11.75 fl oz | PHI 30 days for grain or stover and 60 days for forage. |
3 R | Steed | zeta-cypermethrin and bifenthrin |
3.5-4.7 fl oz | PHI 30 days for grain or stover and 60 days for forage. Do not graze livestock in treated areas or cut treated crops for feed within 30 days of the last application. |
5 | Tracer | spinosad | 1-3 fl oz | PHI 28 days for grain and 3 days for fodder or forage harvest. |
3 R | Tombstone | cyfluthrin | 1.6-2.8 fl oz | PHI 21 days for grain or fodder and 0 days for green forage. Recommended for use against 1st and 2nd instar larvae. |
1B, 3 R | Tundra Supreme | chlorpyrifos and bifenthrin |
At Planting: 0.4-0.8 fl oz Post-Emergence: 5.6-16.8 fl oz |
PHI 30 days for grain and silage. Shallow incorporation using a rotary hoe or other equipment may improve control. |
3 R | Warrior w/ Zeon Technology, Silencer |
lambda-cyhalothrin | 2.56-3.84 fl oz | Recommended for control of 1st and 2nd instars only. PHI 21 days for harvest, grazing or cutting treated crops for feed. |
3 R | Warrior II w/ Zeon Technology |
lambda-cyhalothrin | 1.28-1.92 fl oz | Recommended for control of 1st and 2nd instars only. PHI 21 days for harvest, grazing or cutting treated crops for feed. |