Corn insect control
Francis P.F. Reay-Jones
R = Restricted use pesticide; REI = re-entry interval; PHI = pre-harvest interval; PGI = pre-grazing interval.
Insect |
Pesticide |
Rate |
REI |
PHI |
PGI |
COMMENTS |
Armyworm (seed insecticide) |
Bt-resistant corn HERCULEX I |
Insecticide in plant |
- |
- |
- |
See dealers for refuge requirements for Bt corn. |
Armyworms (post-emergence insecticides) |
Beta-cyfluthrin |
1.6-2.8 oz/ac |
12 |
21 |
0 (green) |
|
|
Bifenthrin CAPTURE 1.15G |
2.1-6.4 oz/ac 3.5-8.7 oz/ac |
12
12 |
30
30 |
30
30 |
Apply broadcast in at least 10 gal/ac of water by ground. Apply broadcast when insects first appear. |
|
Carbaryl
4F, XLR Plus |
1.25-2.5 lb/ac
1-2 qts/ac |
12
12 |
14 (silage) |
14 (green) |
|
|
Deltamethrin |
1.5-1.9 oz/ac |
12 |
21 |
12 (green) |
For ground application, use at least 5 gal/ac of water. |
|
Esfenvalerate |
5.8-9.6 oz/ac |
12 |
21 |
- |
|
|
Gamma-cyhalothrin |
2.56-3.84 oz/ac |
24 |
21 |
1 (green) |
For control of 1st and 2nd instars only. |
|
Lambda-cyhalothrin |
2.56-3.84 oz/ac |
24 |
21 |
1 (green) |
Use higher rates for large larvae. |
|
Chlorpyrifos and Lambda-cyhalothrin |
13-38 oz/ac |
24 |
30 |
30 |
|
|
Methomyl
LANNATE SP |
0.75-1.5 pts/ac
0.25-0.5 lbs/ac |
48
48 |
21 (ears)
21 (ears) |
3 (green) 3 (green) |
|
|
Methoxyfenozide |
4-8 oz/ac |
4 |
21 |
21 |
Use only for true armyworm. Apply at first sign of egg hatch. |
|
Methyl parathion |
0.5 pts/ac
2-3 pts/ac |
60
60 |
12
12 |
12
12 |
|
|
Permethrin POUNCE 3.2EC |
4-8 oz/ac
4-8 oz/ac |
12
12 |
30
30 |
0 (green) |
Apply at first sign of egg hatch. |
|
Permethrin |
6.7-13.3 oz/ac |
12 |
30 |
0 (green) |
Apply at first sign of egg hatch. |
|
Spinosad |
2-3 oz/ac |
4 |
28 |
7 |
Apply at peak egg hatch of each generation. |
|
Zeta-cypermethrin |
3.2-4.0 oz/ac |
12 |
30 |
60 |
|
Billbugs (seed insecticide) |
Clothianidin PONCHO 1250 |
0.25 mg (ai)/seed |
- - |
- - |
- - |
Seed treatment |
|
Thiomethoxam |
0.25 mg (ai)/seed |
12 12 |
- - |
- - |
Seed treatment |
Billbugs (at planting) |
Terbufos |
6 to 8 oz/1000 ft of row |
48 |
60 |
30 |
Apply either in 7 inch band or in furrow |
|
Telfluthrin |
4 to 5 oz/ 1000 ft of row |
0 |
- |
- |
Apply as band or T-band. |
|
Fipronil |
0.24 oz/ 1000 ft of row |
0 |
90 |
90 |
Apply in furrow using a direct injection liquid system. |
Chinch bug (seed insecticide) |
Thiomethoxam |
0.25 mg (ai)/seed |
12 12 |
- - |
- - |
Seed treatment |
Chinch bug (at planting) |
Telfluthrin |
4 to 5 oz/ 1000 ft of row |
0 |
- |
- |
Apply as band or T-band. |
|
Fipronil |
0.24 oz/ 1000 ft of row |
0 |
90 |
90 |
Apply in furrow using a direct injection liquid system. |
|
Chlorpyrifos LORSBAN 15G |
1-2 pts/acre 1-2 pts/acre 8 oz/ 1000 ft of row. |
24 24
24 |
35 35
35 |
14 14
14 |
Apply as preplant broadcast granules or a preplant broadcast spray in 20 gal spray/ac or more. |
Chinch bug (post-emergence insecticides) |
Bifenthrin |
2.1-6.4 oz/ac |
12 |
30 |
30 |
Apply broadcast in at least 10 gal/ac of water by ground. |
|
Carbaryl
4F, XLR Plus |
1.25-2.5 lb/ac
1-2 qts/ac |
12
12 |
14 (silage) |
14 (green) |
Use ground equipment to apply at least 20 gal/ac of water and direct spray towards stalk. |
|
Chlorpyrifos |
1-2 pts/acre 1-2 pts/acre |
24 24 |
35 35 |
14 14 |
|
|
Beta-cyfluthrin |
1.6-2.8 oz/ac |
12 |
21 |
0 (green) |
|
|
Deltamethrin |
1.5-1.9 oz/ac |
12 |
21 |
0 (green) |
For ground application, use at least 5 gal/ac of water. |
|
Esfenvalerate |
5.8-9.6 oz/ac |
12 |
21 |
- |
Spray needs to be directed towards base of plant. |
|
Gamma-cyhalothrin |
3.84 oz/ac |
24 |
21 |
1 (green) |
|
|
Lambda-cyhalothrin |
3.84 oz/ac |
24 |
21 |
1 (green) |
|
|
Zeta-cypermethrin |
3.2-4.0 oz/ac |
12 |
30 |
60 |
|
Corn earworm (seed insecticide) |
Bt-resistant corn HERCULEX I |
Insecticide in plant |
- |
- |
|
See dealers for refuge requirements for Bt corn. |
Corn earworm (post-emergence insecticides) |
Bifenthrin |
2.1-6.4 oz/ac |
12 |
30 |
30 |
Apply broadcast in at least 10 gal/ac of water by ground. |
|
Carbaryl
4F, XLR Plus |
1.25-2.5 lb/ac
1-2 qts/ac |
12
12 |
14 (silage) |
14 (green) |
|
|
Chlorpyrifos |
1-2 pts/acre 1-2 pts/acre |
24 24 |
35 35 |
14 14 |
|
|
Beta-cyfluthrin |
1.6-2.8 oz/ac |
12 |
21 |
0 (green) |
|
|
Deltamethrin |
1.5-1.9 oz/ac |
12 |
21 |
12 (green) |
For ground application, use at least 5 gal/ac of water. |
|
Gamma-cyhalothrin |
1.92-3.2 oz/ac |
24 |
21 |
1 (green) |
Use before larvae enter stalk or ear. |
|
Lambda-cyhalothrin |
1.92-3.2 oz/ac |
24 |
21 |
1 (green) |
Use before larvae enter stalk or ear. |
|
Methomyl
LANNATE SP |
0.75-1.5 pts/ac
0.25-0.5 lbs/ac |
48
48 |
21 (ears)
21 (ears) |
3 (green) 3 (green) |
|
|
Permethrin POUNCE 3.2EC |
4-8 oz/ac
4-8 oz/ac |
12
12 |
30
30 |
0 (green) |
Apply just before silking. |
|
Spinosad |
2-3 oz/ac |
4 |
28 |
7 |
|
|
Zeta-cypermethrin |
1.76-4.0 oz/ac |
12 |
30 |
60 |
|
Cutworm (seed insecticide) |
Bt-resistant corn |
Insecticide in plant |
- |
- |
- |
See dealers for refuge requirements for Bt corn. |
|
Clothianidin PONCHO 1250 |
0.25 mg (ai)/seed |
- - |
- - |
- - |
Seed treatment |
|
Thiomethoxam |
0.25 mg (ai)/seed |
12 12 |
- - |
- - |
Seed treatment |
Cutworm (at planting) |
Bifenthrin CAPTURE 1.15G |
0.15-0.30 oz/ 1000 ft of row 6.4-8 oz/1000 ft |
12
12 |
30
30 |
30
30 |
Apply broadcast in at least 10 gal/ac of water by ground. |
|
Chlorpyrifos LORSBAN 15G |
2 pts/acre 2 pts/acre
8 oz/ 1000 ft of row |
24 24
24 |
35 35
35 |
14 14
14 |
Apply as preplant broadcast granules or a preplant broadcast spray in 20 gal spray/ac or more. |
|
Esfenvalerate |
0.45 oz/ 1000 ft of row |
12 |
21 |
- |
Apply in band, T-band, or in furrow. |
|
Gamma-cyhalothrin |
0.66 oz/ 1000 ft of row |
24 |
21 |
1 (green) |
Apply in band, T-band, or in furrow. |
|
Lambda-cyhalothrin |
0.66 oz/ 1000 ft of row |
24 |
21 |
1 (green) |
Apply in band, T-band, or in furrow |
|
Permethrin
POUNCE 3.2EC |
4-8 oz/ac 4-8 oz/ac |
12
12 |
30
30 |
0 (green) 0 (green) |
Apply in band, T-band, or in furrow |
|
Permethrin |
8 oz/1000 ft of row |
12 |
30 |
0 (green) |
Apply in band, T-band, or in furrow |
|
Terbufos |
6 to 8 oz/1000 ft of row |
48 |
60 |
30 |
Apply either in 7 inch band or in furrow. Supression only. |
|
Zeta-cypermethrin |
0.16 oz/1000 ft of row |
12 |
30 |
60 |
|
Cutworm (post-emergence insecticides) |
Beta-cyfluthrin |
0.8-1.6 oz/ac |
12 |
21 |
0 (green) |
|
|
Bifenthrin |
2.1-6.4 oz/ac |
12 |
30 |
30 |
Apply broadcast in at least 10 gal/ac of water by ground. |
|
Carbaryl
4F, XLR Plus |
2.5 lb/ac
2 qts/ac |
12
12 |
14 (silage) |
14 (green) |
Apply in 12-inch band over the row using sufficient volume of water to obtain thorough coverage. For broadcast, use at least 20 gal/ac of water by ground. |
|
Deltamethrin |
1-1.5 oz/ac |
12 |
21 |
12 (green) |
For ground application, use at least 5 gal/ac of water. |
|
Esfenvalerate |
5.8-9.6 oz/ac |
12 |
21 |
- |
|
|
Gamma-cyhalothrin |
1.92-3.84 oz/ac |
24 |
21 |
1 (green) |
|
|
Lambda-cyhalothrin |
1.92-3.84 oz/ac |
24 |
21 |
1 (green) |
|
|
Methomyl
LANNATE SP |
1.5 pts/ac
0.5 lbs/ac |
48
48 |
21 (ears)
21 (ears) |
3 (green) 3 (green) |
|
|
Methyl parathion |
0.5 pts/ac
4 pts/ac |
60
60 |
12
12 |
12
12 |
|
|
Permethrin POUNCE 3.2EC |
4-8 oz/ac
4-8 oz/ac |
12
12 |
30
30 |
0 (green) |
|
|
Permethrin |
6.7-13.3 oz/ac |
12 |
30 |
0 (green) |
|
|
Zeta-cypermethrin |
1.28-2.8 oz/ac |
12 |
30 |
60 |
|
European corn borer (seed insecticide) |
Bt-resistant corn HERCULEX I |
Insecticide in plant |
- |
- |
|
See dealers for refuge requirements for Bt corn. |
European corn borer (post-emergence insecticides) |
Bifenthrin CAPTURE 1.15G |
2.1-6.4 oz/ac
3.5-8.7 oz/ac |
12
12 |
30
30 |
30
30 |
Apply broadcast in at least 10 gal/ac of water by ground. |
|
Carbaryl
4F, XLR Plus |
1.875-2.5 lb/ac
1.5-2 qts/ac |
12
12 |
14 (silage) |
14 (green) |
Use ground equipment to apply at least 15 gal/acre of water and direct spray towards stalk. |
|
Chlorpyrifos LORSBAN 15G
2nd generation |
2 pts/acre 2 pts/acre
3.5-8 oz/ 1000 ft of row |
24 24
24
24 |
35 35
35
35 |
14 14
14
14 |
|
|
Beta-cyfluthrin |
1.6-2.8 oz/ac |
12 |
21 |
0 (green) |
Application must be made before larvae enter plant. |
|
Deltamethrin |
1.5-1.9 oz/ac |
12 |
21 |
12 (green) |
For ground application, use at least 5 gal/ac of water. |
|
Esfenvalerate |
7.8-9.6 oz/ac |
12 |
21 |
- |
Spray when eggs are in blackhead stage or before larvae enter whorl. |
|
Gamma-cyhalothrin |
2.56-3.84 oz/ac |
24 |
21 |
1 (green) |
Use before larvae enter stalk or ear. |
|
Lambda-cyhalothrin |
2.56-3.84 oz/ac |
24 |
21 |
1 (green) |
Use before larvae enter stalk or ear. |
|
Methomyl
LANNATE SP |
0.75-1.5 pts/ac
0.25-0.5 lbs/ac |
48
48 |
21 (ears)
21 (ears) |
3 (green) 3 (green) |
|
|
Methoxyfenozide |
4-8 oz/ac |
4 |
21 |
21 |
Apply at first sign of egg hatch. Direct application at whorl for early season (1st generation). Apply as broadcast over row mid and late season. |
|
Methyl parathion |
2-4 pts/ac |
60 |
12 |
12 |
Broadcast application at 2 pts/ac for 1st generation by ground. |
|
Permethrin POUNCE 3.2EC |
4-8 oz/ac
4-8 oz/ac |
12
12 |
30
30 |
0 (green) |
|
|
Permethrin |
6.7-13.3 oz/ac |
12 |
30 |
0 (green) |
|
|
Spinosad |
1-3 oz/ac |
4 |
28 |
7 |
Apply at peak egg hatch of each generation. |
|
Zeta-cypermethrin |
2.72-4.0 oz/ac |
12 |
30 |
60 |
|
Flea beetle (post-emergence insecticides) |
Bifenthrin |
2.1-6.4 oz/ac |
12 |
30 |
30 |
Apply broadcast in at least 10 gal/ac of water by ground.
|
|
Carbaryl
4F, XLR Plus |
1.25-2.5 lb/ac
1-2 qts/ac |
12
12 |
14 (silage) |
14 (green) |
|
|
Chlorpyrifos |
1-2 pts/acre |
24 24 |
35 35 |
14 14 |
|
|
Beta-cyfluthrin |
0.8-1.6 oz/ac |
12 |
21 |
0 (green) |
|
|
Deltamethrin |
1.0-1.5 oz/ac |
12 |
21 |
12 (green) |
For ground application, use at least 5 gal/ac of water. |
|
Esfenvalerate |
5.8-9.6 oz/ac |
12 |
21 |
- |
|
|
Gamma-cyhalothrin |
2.56-3.84 oz/ac |
24 |
21 |
1 (green) |
|
|
Lambda-cyhalothrin |
2.56-3.84 oz/ac |
24 |
21 |
1 (green) |
|
|
Methyl parathion |
2-3 pts/ac |
60 |
12 |
12 |
|
|
Permethrin POUNCE 3.2EC |
4-8 oz/ac
4-8 oz/ac |
12
12 |
30
30 |
0 (green) |
|
|
Zeta-cypermethrin |
2.72-4.0 oz/ac |
12 |
30 |
60 |
|
Grasshoppers (post-emergence insecticides) |
Bifenthrin |
2.1-6.4 oz/ac |
12 |
30 |
30 |
Apply broadcast in at least 10 gal/ac of water by ground. |
|
Chlorpyrifos |
0.5-1 pts/acre 0.5-1 pts/acre |
24 24 |
35 35 |
14 14 |
|
|
Beta-cyfluthrin |
2.1-2.8 oz/ac |
12 |
21 |
0 (green) |
|
|
Deltamethrin |
1.0-1.5 oz/ac |
12 |
21 |
12 (green) |
For ground application, use at least 5 gal/ac of water. |
|
Esfenvalerate |
5.8-9.6 oz/ac |
12 |
21 |
- |
For 1st and 2nd instar nymph, use 3.9-5.8 oz/ac. Timing and good coverage is critical. |
|
Gamma-cyhalothrin |
2.56-3.84 oz/ac |
24 |
21 |
1 (green) |
|
|
Lambda-cyhalothrin |
2.56-3.84 oz/ac |
24 |
21 |
1 (green) |
|
|
Methyl parathion |
1 pts/ac
2-3 pts/ac |
60
60 |
12
12 |
12
12 |
|
|
Zeta-cypermethrin |
2.72-4.0 oz/ac |
12 |
30 |
60 |
|
Lesser corn stalk borer (seed insecticide) |
Bt-resistant corn HERCULEX I |
Insecticide in plant |
- |
- |
- |
See dealers for refuge requirements for Bt corn. |
Lesser corn stalk borer (at planting) |
Chlorpyrifos |
8 oz/ 1000 ft of row |
24 |
35 |
14 |
Apply in T-band. |
|
Gamma-cyhalothrin |
0.66 oz/ 1000 ft of row |
24 |
21 |
1 (green) |
Apply in 5-7 inch T-band, or in furrow. Use a minimum of 3 gal/ac. |
|
Lambda-cyhalothrin |
0.66 oz/ 1000 ft of row |
24 |
21 |
1 (green) |
Apply in 5-7 inch T-band, or in furrow. Use a minimum of 3 gal/ac. |
|
Terbufos |
6 to 8 oz/1000 ft of row |
48 |
60 |
30 |
Apply either in 7 inch band or in furrow. Supression only. |
|
Telfluthrin |
4 to 5 oz/ 1000 ft of row |
0 |
- |
- |
Apply as band or T-band. |
Lesser corn stalk borer (post-emergence insecticides) |
Chlorpyrifos |
1-2 pts/acre 1-2 pts/acre |
24 24 |
35 35 |
14 14 |
Apply as broadcast spray in at least 15 gal/ac for ground equipment. |
|
Lambda-cyhalothrin |
2.56-3.84 oz/ac |
24 |
21 |
1 (green) |
|
Wireworm (seed treatment) |
Clothianidin PONCHO 1250 |
0.25 mg (ai)/seed |
- - |
- - |
- - |
Seed treatment |
|
Thiomethoxam |
0.25 mg (ai)/seed |
12 12 |
- - |
- - |
Seed treatment. |
Wireworm (at planting) |
Bifenthrin |
0.15-0.30 oz/ 1000 ft of row |
12 |
30 |
30 |
Apply in 5-7 inch T-band. Or in furrow. |
|
Bifenthrin |
6.4-8 oz/ 1000 ft of row 3.2-8 oz/ 1000 ft of row |
12 |
30 |
30 |
Apply in 5-7 inch T-band.
Apply in furrow. |
|
Carbofuran |
2.5 oz/ 1000 ft of row |
48 |
30 |
30 |
Apply in 7 inch T-band in in-furrow. |
|
Chlorpyrifos LORSBAN 15G |
4 pts/acre
8 oz/ 1000 ft of row |
24
24 |
35
35 |
14
14 |
Apply as a preplant broadcast spray in at least 10 gal spray/ac. Apply in T-band or in furrow. |
|
Fipronil |
0.24 oz/ 1000 ft of row |
0 |
90 |
90 |
Apply in furrow using a direct injection liquid system. |
|
Gamma-cyhalothrin |
0.66 oz/ 1000 ft of row |
24 |
21 |
1 (green) |
Apply in 5-7 inch T-band, or in furrow. Use a minimum of 3 gal/ac. Suppression only. |
|
Lambda-cyhalothrin |
2.56-3.84 oz/ac |
24 |
21 |
1 (green) |
Apply in 5-7 inch T-band, or in furrow. Use a minimum of 3 gal/ac. |
|
Permethrin POUNCE 3.2EC |
0.3 oz/ 1000 ft of row 0.3 oz/ 1000 ft of row |
12
12 |
30
30 |
0 (green) |
Apply in furrow, band or T-band using at least a 4 inch band. |
|
Permethrin |
8 oz/ 1000 ft of row |
12 |
30 |
0 (green) |
|
|
Phorate |
4.5-6 oz/ 1000 ft of row |
48 |
30 |
30 |
Apply either in 7 inch band. |
|
Terbufos |
6 to 8 oz/1000 ft of row |
48 |
60 |
30 |
Apply either in 7 inch band or in furrow |
|
Telfluthrin |
4 to 5 oz/ 1000 ft of row |
0 |
- |
- |
Apply as band or T-band. |
Seed corn maggot (seed treatment) |
Clothianidin PONCHO 1250 |
0.25 mg (ai)/seed |
- - |
- - |
- - |
Seed treatment |
|
Thiomethoxam |
0.25 mg (ai)/seed |
12 12 |
- - |
- - |
Seed treatment. |
Seed corn maggot (at planting) |
Bifenthrin |
0.15-0.30 oz/ 1000 ft of row |
12 |
30 |
30 |
Apply in 5-7 inch T-band. Or in furrow. |
|
Bifenthrin |
6.4-8 oz/ 1000 ft of row 3.2-8 oz/ 1000 ft of row |
12 |
30 |
30 |
Apply in 5-7 inch T-band.
Apply in furrow. |
|
Carbofuran |
2.5 oz/ 1000 ft of row |
48 |
30 |
30 |
Apply in 7 inch T-band in in-furrow. |
|
Chlorpyrifos LORSBAN 15G |
4 pts/acre
8 oz/ 1000 ft of row |
24
24 |
35
35 |
14
14 |
Apply as a preplant broadcast spray in at least 10 gal spray/ac. Apply in T-band or in furrow. |
|
Fipronil |
0.24 oz/ 1000 ft of row |
0 |
90 |
90 |
Apply in furrow using a direct injection liquid system. |
|
Gamma-cyhalothrin |
0.66 oz/ 1000 ft of row |
24 |
21 |
1 (green) |
Apply in 5-7 inch T-band, or in furrow. Use a minimum of 3 gal/ac. |
|
Lambda-cyhalothrin |
2.56-3.84 oz/ac |
24 |
21 |
1 (green) |
Apply in 5-7 inch T-band, or in furrow. Use a minimum of 3 gal/ac. |
|
Permethrin POUNCE 3.2EC |
0.3 oz/ 1000 ft of row 0.3 oz/ 1000 ft of row |
12
12 |
30
30 |
0 (green) |
Apply in furrow, band or T-band using at least a 4 inch band. |
|
Permethrin |
8 oz/ 1000 ft of row |
12 |
30 |
0 (green) |
|
|
Phorate |
4.5-6 oz/ 1000 ft of row |
48 |
30 |
30 |
Apply either in 7 inch band. |
|
Terbufos |
6 to 8 oz/1000 ft of row |
48 |
60 |
30 |
Apply either in 7 inch band or in furrow |
|
Telfluthrin |
4 to 5 oz/ 1000 ft of row |
0 |
- |
- |
Apply as band or T-band. |
Southern corn rootworm (seed treatment) |
Bt-resistant corn HERCULEX RW |
Insecticide in plant |
- |
- |
- |
See dealers for refuge requirements for Bt corn. |
|
Clothianidin |
1.25 mg (ai)/seed |
- |
- |
- |
Seed treatment. |
|
Thiomethoxam |
1.25 mg (ai)/seed |
12 |
- |
- |
Seed treatment. |
Southern corn rootworm larvae (at planting) |
Bifenthrin |
0.30 oz/ 1000 ft of row |
12 |
30 |
30 |
Apply in 5-7 inch T-band. Or in furrow. |
|
Bifenthrin |
6.4-8 oz/ 1000 ft of row 3.2-8 oz/ 1000 ft of row |
12 |
30 |
30 |
Apply in 5-7 inch T-band.
Apply in furrow. |
|
Carbofuran |
2.5 oz/ 1000 ft of row |
48 |
30 |
30 |
Apply in 7 inch T-band in in-furrow. |
|
Chlorpyrifos LORSBAN 15G |
6 pts/acre
8 oz/ 1000 ft of row |
24
24 |
35
35 |
14
14 |
Apply as a preplant broadcast spray in at least 10 gal spray/ac. Apply in T-band or in furrow. |
|
Fipronil |
0.24 oz/ 1000 ft of row |
0 |
90 |
90 |
Apply in furrow using a direct injection liquid system. |
|
Gamma-cyhalothrin |
0.66 oz/ 1000 ft of row |
24 |
21 |
1 (green) |
Apply in 5-7 inch T-band, or in furrow. Use a minimum of 3 gal/ac. |
|
Lambda-cyhalothrin |
2.56-3.84 oz/ac |
24 |
21 |
1 (green) |
Apply in 5-7 inch T-band, or in furrow. Use a minimum of 3 gal/ac. |
|
Phorate |
4.5-6 oz/ 1000 ft of row |
48 |
30 |
30 |
Apply either in 7 inch band. |
|
Terbufos |
6 to 8 oz/1000 ft of row |
48 |
60 |
30 |
Apply either in 7 inch band or in furrow |
|
Telfluthrin |
4 to 5 oz/ 1000 ft of row |
0 |
- |
- |
Apply as band or T-band. |
Southern corn rootworm beetles (post-emergence insecticides) |
Beta-cyfluthrin |
1.6-2.8 oz/ac |
12 |
21 |
0 (green) |
|
|
Bifenthrin |
2.1-6.4 oz/ac |
12 |
30 |
30 |
Apply broadcast. |
|
Carbaryl
4F, XLR Plus |
1.25-2.5 lb/ac
1-2 qts/ac |
12
12 |
14 (silage) |
14 (green) |
|
|
Deltamethrin |
1.5-1.9 oz/ac |
12 |
21 |
12 (green) |
|
|
Esfenvalerate |
5.8-9.6 oz/ac |
12 |
21 |
- |
Apply at first sign of silk feeding. |
|
Gamma-cyhalothrin |
2.56-3.84 oz/ac |
24 |
21 |
1 (green) |
|
|
Lambda-cyhalothrin |
2.56-3.84 oz/ac |
24 |
21 |
1 (green) |
|
|
Methomyl
LANNATE SP |
0.75-1.5 pts/ac
0.25-0.5 lbs/ac |
48
48 |
21 (ears)
21 (ears) |
3 (green) 3 (green) |
|
|
Methyl parathion |
0.5 pts/ac
1-2 pts/ac |
60
60 |
12
12 |
12
12 |
For silk clipping, 1-2 pt/ac |
|
Permethrin POUNCE 3.2EC |
4-8 oz/ac
4-8 oz/ac |
12
12 |
30
30 |
0 (green) |
|
|
Zeta-cypermethrin |
3.2-4.0 oz/ac |
12 |
30 |
60 |
Use at least 10 gal/ac for ground application. |
Stink bugs (post-emergence insecticides |
Beta-cyfluthrin |
1.6-2.8 oz/ac |
12 |
21 |
0 (green) |
|
|
Bifenthrin |
2.1-6.4 oz/ac |
12 |
30 |
30 |
Apply broadcast. |
|
Deltamethrin |
1.5-1.9 oz/ac |
12 |
21 |
12 (green) |
Use at least 5 gal/ac for ground application. |
|
Gamma-cyhalothrin |
2.56-3.84 oz/ac |
24 |
21 |
1 (green) |
|
|
Lambda-cyhalothrin |
2.56-3.84 oz/ac |
24 |
21 |
1 (green) |
|
|
Methyl parathion |
0.5 pts/ac
1-3 pts/ac |
60
60 |
12
12 |
12
12 |
|
|
Zeta-cypermethrin |
2.72-4.0 oz/ac |
12 |
30 |
60 |
Use at least 10 gal/ac for ground application. |
