Scouting time
Scout during seedling emergence.
Sampling method
Visually observe presence of grasshoppers and their chewing damage in seedlings, focusing on field margins.
Thresholds
None listed.
Chemical control
|
Chemical Name (Product) |
Rate |
|
Bifenthrin (Capture 2EC) |
0.033 - 0.04 LB/AI/A; 2.1 - 2.6 FL OZ/A |
|
Deltamethrin (Decis 1.5) |
.009 Pounds AI/A, 0.8 Fl. Oz./A |
|
Lambda-cyhalothrin (Warrior with Zeon Technology) |
0.015–0.03 lb. a.i./A; 1.92–3.84 fl. oz./A |
|
Gamma-cyhalothrin (Proaxis) |
0.0075 - 0.015 lb ai/acre, 1.92- 3.84 fl oz/acre |
|
4F Carbaryl (Sevin)** |
.5 - 1.5 qt/acre |
**Apply 1/2 to 3/4 quarts per acre of this product for nymphs on small plants or sparse vegetation. Apply 1 to 1 1/2 quarts per acre for mature grasshoppers or applications to dense foliage. Be certain spray volumes are appropriate to assure adequate coverage.
Pesticide label directions and restrictions are subject to change, and some may have changed since this publication was written. Kansas State University entomologists assume no responsibility for product performance, personal injury, property damage, or other types of loss resulting from the handling or use of the pesticides listed. Remember, it is illegal to use a pesticide in a manner that is inconsistent with the label. The user bears responsibility for correct use. Always read and follow label directions carefully.