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How to Manage Pests

UC Pest Management Guidelines

| More pests | More crops | About guidelines |

Cabbage looper moth.

Cotton

Summary of Characteristics of Key Cotton Insecticides/Miticides

(Reviewed 1/08, updated 1/08)

In this Guideline:
Trade Name Common Name Restricted Entry Interval Preharvest Interval Chemical Class Mode of Action1 Hazards to Adult Bees
Acramite bifenazate 12 hours 60 days — 25 mod
Ammo cypermethrin 12 hours 14 days pyrethroid 3 high: <1 day
Asana esfenvalerate 12 hours 21 days pyrethroid 3 high: <1 day
Assail acetamiprid 12 hours 28 days neonicotinoid 4A none
B.t. (various) Bacillus thuringiensis ssp. aizawai 4 hours 0 biological 11.B1 none
B.t. (various) Bacillus thuringiensis ssp. kurstaki 4 hours 0 biological 11.B2 none
Baythroid cyfluthrin 12 hours 0 pyrethroid 3 high: >1 day
Capture, etc. bifenthrin 24 hours2 14 days pyrethroid 3 high: 1 day
Carbine flonicamid 12 hours 30 days selective feeding blockers 9C low
Centric thiamethoxam 12 hours 21 days neonicotinoid 4A —
Comite propargite 7 days 50 days sulfite 14 none
Courier buprofezin 12 hours 21 days insect growth regulator 16 none
Cruiser thiamethoxam (seed trt.) 12 hours — neonicotinoid 4A none
Curacron prophenofos 2-3 days3 14 days organophosphate 1B mod: 0.5 day
Danitol fenpropathrin 24 hours 21 days pyrethroid 3 high: 1 day
Diamond novaluron 12 hours 30 days chitin inhibitor 15 high
Dibrom naled 48-72 hours — 4 organophosphate 1B high: 1.5 days
Dimethoate dimethoate 48 hours 14 days organophosphate 1B high: 3.5 days
Dimilin diflubenzuron 12 hours 14 days benzoylphenyl urea 15 none
Fujimite fenpyroximate 12 hours 14 days METI acaricide 21 —
Fulfill pymetrozine 12 hours 21 days — 9B mod: <2 hours
Gaucho imidacloprid (seed trt.) — — neonicotinoid 4A none
Intrepid methoxyfenozide 4 hours 14 days insect growth regulator 18 none
Kelthane dicofol 12 hours 30 days dicofol 20 none
Knack pyriproxyfen 12 hours 28 days insect growth regultor 7C none
Lannate methomyl 72 hours 15 days carbamate 1A high: 1.5 days
Larvin thiodicarb 48 hours 28 days carbamate 1A high: <2 hours
Leverage imidacloprid/cyfluthrin 12 hours 14 days neonicotinoid/pyrethroid 4A/3 —
Lorsban chlorpyrifos 24 hours 14 days organophosphate 1B high: 3.5 days
malathion malathion 12 hours 0 organophosphate 1B high: 2 days
MSR oxydemeton-methyl 2-3 days3 14 days organophosphate 1B mod: 0.5 day
Monitor methamidophos 2-3 days3 50 days organophosphate 1B high: >5 days5
M-Pede soaps 12 hours 0 miscellaneous — none
Mustang zetacypermethrin 12 hours 14 days pyrethroid 3 high: <1 day
Neemix azadirachtin 12 hours 0 botanical 26 none
Oberon spiromesifen 12 hours 30 days tetronic acid derivatives 23 —
oil oils 4 hours 0 miscellaneous — none
Onager hexythiazox 12 hours 35 days thiazolidinone 10A none
Orthene acephate (foliar) 24 hours 21 days organophosphate 1B high: 2.5 days
Provado, etc. imidacloprid 12 hours 14 days neonicotinoid 4A high: 3.5 days
Steward indoxacarb 12 hours 14 days oxadiazine 22 high
Success spinosad 4 hours 28 days naturalyte 5 mod: <2 hours
sulfur sulfur 24 hours 0 miscellaneous — none
Supracide methidathion 14-48 hours6 14 days organophosphate 1B mod: 2.5 days
Temik aldicarb 48 hours 90 days carbamate 1A none
Thimet phorate 2-3 days3 60 days organophosphate 1B low: 1 day
Thionex, etc. endosulfan 24 hours — 4 cyclodiene organochlorine 2A mod: 2 days
Venom dinotefuran 12 hours 14 days neonicotinoid 4A high
Vydate C-LV oxamyl 48 hours 14 days carbamate 1A high: 4 days
Warrior, etc. lambda-cyhalothrin 24 hours 21 days pyrethroid 3 high
Zeal etoxazole 12 hours 28 days — 10C low
Zephyr, etc. abamectin 12 hours 20 days avermectin 6 mod: 0.5 day
—  = Information not available.
> = greater than
< = less than
   
1 Rotate chemicals with a different mode-of-action Group number, and do not use products with the same mode-of-action Group number more than twice per season to help prevent the development of resistance. For example, the organophosphates have a Group number of 1B; chemicals with a 1B Group number should be alternated with chemicals that have a Group number other than 1B. Mode of action Group numbers are assigned by IRAC (Insecticide Resistance Action Committee). For additional information, see their Web site at http://www.irac-online.org/.
2 Restricted entry interval is 7 days for cotton scouts.
3 Determined by amount of yearly rainfall; see label.
4 Do not apply after bolls open.
5 Brood poison at lower doses.
6 Determined by rate applied.

[Precautions]

PUBLICATION

[UC Peer Reviewed]

UC IPM Pest Management Guidelines: Cotton
UC ANR Publication 3444
General Information
L. D. Godfrey, Entomology, UC Davis
P. B. Goodell, UC IPM Program, Kearney Agricultural Center, Parlier
E. T. Natwick, UC Cooperative Extension, Imperial Co.
D. R. Haviland, UC IPM Program, Kern Co.

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Statewide IPM Program, Agriculture and Natural Resources, University of California
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