WEST VIRGINIA APPLE CROP PROFILE
Redbanded leafroller, Argyrotaenia velutinana Walker: Redbanded
leafroller was once the most important leafroller in the eastern U.S., reaching its
greatest severity in the mid-Atlantic states. It is generally controlled effectively by
growers using conventional organophosphate-based spray programs, but occasional outbreaks
still occur.Chemical control: Insecticides are typically applied for the control of redbanded leafroller at petal fall (first generation), latter part of June to early July (second generation) and August (third generation). |
Amount used |
|||
Insecticide |
% of acres treated |
lb a.i./acre/application |
lb a.i./acre/year |
Azinphos-methyl |
80 |
0.44 - 0.75 |
0.44 - 2.82 |
Methomyl |
66 |
0.34 - 0.45 |
0.34 - 1.80 |
Methyl parathion |
60 |
0.38 - 0.75 |
0.38 - 3.0 |
Phosmet |
9 |
1.1 - 1.4 |
1.1 - 1.4 |