Table. Factors to Consider When Choosing a Corn Rootworm Soil Insecticide* | |||||||||
Insecticide Class | Organophosphates** |
Pyrethroids |
Fiproles |
Nicotinoids |
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Chemical Name | chlorethoxyphos |
chlorpyrifos |
tebupirimphos & cyfluthrin |
terbufos |
bifenthrin |
tefluthrin |
tefluthrin |
fipronil |
imadicloprid |
Trade Name & Formulation(s) | Fortress 2.5 5G Fortress 5G (SmartBox) |
Lorsban 15G Lorsban 4E generics |
Aztec 2.1G Aztec 4.6G (SmartBox) |
Counter CR Counter 15G |
Capture 2E |
Force 3G |
ProShield (treated seed) |
Regent 4SC |
Prescribe (treated seed) |
Factors: | |||||||||
Performance: test plots- |
Fortress 5G 2.9 77 |
Lorsband 15G 2.8 82 |
Aztec 2.1G 2.2 93 |
Counter CR 2.2 94 |
Capture 2E -- -- |
Force 3G 2.2 100 |
n/a |
n/a |
n/a |
Performance: test plots - infurrow application Root damage rating(1) Consistency of performance (%)(2) |
Fortress 5G 2.9 82 |
Lorsban 15G 2.7 83 |
Aztec 2.1G 2.3 91 |
Counter CR 2.5 83 |
n/a |
Force 3G 2.2 100 |
n/a |
Regent 4SC 3.0 83 |
n/a |
Performance: test plots - treated seed Root damage rating(1) Consistency of performance (%)(2) |
n/a |
n/a |
n/a |
n/a |
n/a |
n/a |
ProShield -- -- |
n/a |
Prescribe -- -- |
Technical information Registered for use at cultivation Registered for popcorn/seed corn/sweet corn Human hazard (signal word) Granular formulation Liquid formulation Restricted-use pesticide Labeled for control of other soil pests at the rootworm rate(3) billbugs cutworms nematodes seedcorn beetle seedcorn maggot white grubs wireworms |
N
|
Y
|
N
|
Y
Y |
N
|
N
N |
n/a
N |
N
N |
n/a
N |
*Key to symbols: -- = inadequate information, n/a = not applicable, D = danger, W = warning, C = caution; Y = yes, N = no; P = popcorn, E = seed corn, S = sweet corn. |
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