Insecticide Treatment Options for Stalk Borer in Field Corn

Updated February 14, 2017

Economic Threshold:

Go to https://www.greenbook.net or other resource for additional registrations.
*Consult product label for specific information and restrictions.

IRAC Mode of Action Classification:
  • Group 1 = Acetylcholine esterase inhibitors; 1B = Organophosphates
  • Group 3 = Sodium channel modulators
  • Group 28 = Ryanodine receptor modulators, Diamides
R = Restricted-Use Product

Mode Of
Action
Product
Name
Common
Name
Rate
(Formulation/Acre)
Restrictions/Comments
3 R Ambush 2EC permethrin Pre-Emergence,
and Post-Emergence:
6.4-12.8 fl oz		 PHI 30 days for grain or fodder (stover). Forage may be harvested on the day of application.
3 R Arctic 3.2EC permethrin 4-6 fl oz Apply prior to or when the larvae are moving into the corn from surrounding weeds and grasses. 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. Application must be made early in migration from grassy areas to corn, before borers enter the plant.
3 R Baythroid XL,
Tombstone		 cyfluthrin 1.6-2.8 oz PHI 21 days for grain or fodder and 0 days for green forage. Application must be made prior to the larva boring into the plant.
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. For control before the larva bores into the plant stalk or ear.
3 R Brigade 2EC,
Fanfare 2EC,
Bifenture EC,
Discipline 2EC,
Sniper,
Tundra EC		 bifenthrin 2.1-6.4 fl oz 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.
1B, 3 R Cobalt chlorpyrifos and
gamma cyhalothrin		 38-42 fl oz Do not use in combination with a burndown herbicide. Treat approximately 11 days after application of glyphosate or after burndown with paraquat herbicide is complete (3 to 5 days). PHI 21 days for grain, ears, forage or fodder.
1B, 3 R Cobalt Advanced chlorpyrifos and
gamma cyhalothrin		 32-42 fl oz Do not use in combination with a burndown herbicide. Treat approximately 11 days after application of glyphosate or after burndown with paraquat herbicide is complete (3 to 5 days). PHI 21 days for grain, ears, forage or fodder.
3 R Declare gamma-cyhalothrin 1.02-1.54 fl oz PHI 21 days for grain, livestock grazing or silage harvest.
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. Apply to early instar larvae prior to boring into the stalk.
3 R Fastac EC alpha-cypermethrin 2.7-3.8 fl oz PHI 30 days for grain and stover. PHI 60 days for forage.
3 R Hero zeta-cypermethrin
and bifenthrin		 2.6-6.1 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.
1B R Lorsban Advanced,
Lorsban 4E,
Govern 4E,
Hatchet,
Nufos 4E,
Warhawk,
Yuma 4E		 chlorpyrifos 2 pts Do not use in combination with a burndown herbicide. Treat approximately 11 days after application of glyphosate or after burndown with paraquat is complete (3 to 5 days). PHI 21 days before harvest of grain, ears, forage or fodder.
3 R Mustang Maxx,
Respect		 zeta-cypermethrin 2.72-4.0 fl oz PHI 30 days for grain and stover. PHI 60 days for forage.
3 R Pounce 1.5G permethrin 6.7-10.0 lbs
broadcasted,
8 oz/1000 row ft		 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 fl oz PHI 30 days for grain and fodder.
3 R Proaxis gamma-
cyhalothrin		 2.56-3.84 fl oz For control of larvae before they bore into the stalk. PHI 21 days.
1B, 3 R Stallion chlorpyrifos and
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		 2.5-3.5 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.
1B, 3 R Tundra Supreme chlorpyrifos
and bifenthrin		 5.6-16.8 fl oz PHI 30 days for grain and silage. Do not use this product in combination with a burndown herbicide for control of common stalk borer.
3 R Warrior w/
Zeon Technology,
Silencer		 lambda-cyhalothrin 2.56-3.84 fl oz For control before the larvae bores into the stalk. 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 For control before the larvae bores into the stalk. PHI 21 days for harvest, grazing or cutting treated crops for feed.