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Insecticides for Control of Spider Mites in Soybean

Updated December 21, 2011


Economic Threshold:

Iowa State University Extension specialists have suggested that control may be warranted when infested plants have
substantial spotting or leaf yellowing and live mites, but before mites cause browning and leaf drop.

This list is not inclusive. See http://www.greenbook.net or other resources for additional registrations.
This information is presented in abbreviated form. Be sure to consult the label for additional information and restrictions.

For information on the biology and management of the spider mites,
refer to NebGuide G93-1167-A, Spider Mites Management in Corn and Soybeans.


IRAC Mode of Action Classification:
  • Group 1 = Acetylcholine esterase inhibitors; 1B = Organophosphates
  • Group 3 = Sodium channel modulators
R = Restricted-Use Product


Mode Of
Action
Product
Name
Common
Name
Rate
(Formulation/Acre)
Restrictions/Comments

3 R Brigade 2EC,
Fanfare 2EC
bifenthrin 5.12-6.4 fl oz Do not apply within 18 days of harvest.
1B, 3 R Cobalt chlorpyriphos + cyhalothrin 13 - 26 fl oz PHI 30 days. Maximum allowed per crop season 85 fl oz. Do not allow meat or dairy animals to graze in treated areas or feed treated forage, hay, and straw to meat or dairy animals.
1B Dimethoate 400 dimethoate 1 pt PHI 21 days. 7-day reapplication interval.
1B R Lorsban Advanced chlorpyrifos 0.5 - 1 pt Do not apply more than 6 pints per acre per season. Do not apply last treatment within 28 days before harvest, nor apply last two treatments closer than 14 days apart. Do not graze or otherwise feed treated soybeans, forage, hay, or straw to meat or dairy animals.
1B R Methyl 4 EC methyl parathion 0.75 - 1 pt PHI 20 days for harvest and grazing.
3 R Proaxis gamma-cyhalothrin 3.84 fl oz Suppression only. Do not apply within 45 days of harvest or more than 0.48 pints per acre per season.
3 R Warrior w/
Zeon Technology,
Silencer
lambda-
cyhalothrin
3.84 fl oz Suppression only. PHI 30 days. Do not graze or harvest treated soybean forage, straw or hay for livestock feed.
3 R Warrior II w/
Zeon Technology
lambda-
cyhalothrin
1.92 fl oz Suppression only. PHI 30 days. Do not graze or harvest treated soybean forage, straw or hay for livestock feed.