Crop Insecticide Update

Crop Insecticide Update

March 21, 2008

Several new insecticide products/formulations are available for Nebraska field crops this year. Further details are outlined below:

FMC

  • Brigade EC; active ingredient bifenthrin

  • — Replaces Capture 2EC. Capture LFR still labeled for use at planting in corn.
  • Hero 1.24 EC; active ingredients bifenthrin and zeta-cypermethrin

  • — Labelled on corn and various vegetable crops
  • Mustang Max EC; new formulation of Mustang Max

  • — Same use rates, amount of active ingredient (ai), crops, pests as before
    — Goes from "Warning" to "Caution" with new formulation
    — Now labeled for use on pasture/range and other grass crops, sunflowers, potatoes, and a number of other crops

Dow AgroSciences

 

  • Lorsban 15G, 4E, and 75WG; label changes for field corn uses
    — Preharvest interval drops from 35 to 21 days
    — 1.0 lb ai per acre maximum application with exception of 1.3 lb ai per acre Lorsban 15G at-plant application
  • Cobalt
    — Active ingredients 2.5 lb chlorpyrifos + 0.045 lb gamma-cyhalothrin per gallon
    — Registered for use on alfalfa, field corn, sweet corn and seed corn, sorghum, soybeans, sunflowers and wheat against a variety of insect pests

Bayer Corporation

 

  • Leverage 2.7
    — Active ingredients1.6 lbs imidacloprid and 1.1 lb cyfluthrin per gallon
    — Registered for soybeans November 2007
    — May be registered for other crops in the future
    — 3.8 oz/acre rate on soybeans, 45-day pre-harvest interval


Insecticide use tables organized by crop are available online at http://entomology.unl.edu/fldcrops/pestipm.shtml. They now include information on insecticide product modes of action for use in avoiding resistance development.

Bob Wright
Extension Entomologist