University of Nebraska Entomology - Insecticides for Control of Mites in Dry Beans

University of
Nebraska

Department
of Entomology

Insecticides for Control of Mites in Dry Beans

Updated March 11, 2003 by Gary Hein and John Thomas

Economic Threshold:
Mites seldom reach levels significant enough to justify treatments, and when they do, serious infestations are limited to borders or patches. Spot or border treatments would be most economical. Consider the yellowing caused by mite feeding to be similar to defoliation and use defoliation thresholds to determine the potential for impact on the beans. During vegetative growth stages, the level of defoliation that will result in economic losses ranges from 25-40%. For reproductive stages (flowering and pod fill), economic losses would be expected if defoliation exceeds 5-15%.

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.

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IRAC Mode of Action Classification:
Group 1 = Acetylcholine esterase inhibitors; 1A = Carbamates, 1B = Organophosphates un = Compound with unknown mode of action
R = Restricted-Use Product	* = Suitable for chemigation	ai = active ingredient	REI = Re-Entry Interval
PHI = Pre harvest interval

Mode of Action	Product Name	Common Name	Rate Formulation/Acre (unless otherwise noted)	Restrictions/Comments

1B R	Di-Syston 15%, 8	disulfoton	15%: 6 - 12 oz/1000 ft 8: 0.9 - 1.9 oz/1000 ft	PHI 60 days. REI 72 hrs.
1B R	Dibrom 8E	naled	1 pt	PHI 1 day. REI 24 hrs.
1B	Dimethoate* (Multiple products) Dimate 4EC*	dimethoate	0.25 - 0.5 lb ai see label for rates	See label for PHI. REI 48 hrs.
1B R	Declare	methyl parathion	1 - 3 pts	PHI 21 days. REI 5 days.
un R	Kelthane MF	dicofol	1 - 3 pts	PHI 21 days. REI 12 hrs.
1A R	Temik 15G	aldicarb	7 - 14 lbs	Apply at planting. Potential for groundwater contamination. See label for environmental precautions and restrictions. PHI 90 days. REI 48 hrs.
1B R	Phorate 20G, Thimet 20G	phorate	4.5 - 7 oz/1000 ft	At planting. PHI 60 days. REI 72 hrs.

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