How to Manage Pests

UC Pest Management Guidelines

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Cabbage looper moth.

Cotton

Summary of Characteristics of Key Cotton Insecticides/Miticides

(Reviewed 5/13, updated 5/13)

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 bifenazate — 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
Agri-Mek 0.15 EC abamectin 12 hours 20 days avermectin 6 mod: 0.5 day
Various Bacillus thuringiensis ssp. Aizawai 4 hours 0 biological 11 none
Various Bacillus thuringiensis ssp. kurstaki 4 hours 0 biological 11 none
Baythroid beta–cyfluthrin 12 hours 0 pyrethroid 3 high: >1 day
Belt flubendiamide 12 hours 28 days flubendiamide 28 high
Brigade bifenthrin 12 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 6–7 days 50 days sulfite 14 none
Courier buprofezin 12 hours 14 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 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 21A —
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
Dicofol dicofol 12 hours 30 days dicofol — none
Knack pyriproxyfen 12 hours 28 days insect growth regulator 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 Max zeta-cypermethrin 12 hours 14 days pyrethroid 3 high: <1 day
Neemix azadirachtin 4 hours 0 botanical — 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 imidacloprid 12 hours 14 days neonicotinoid 4A high: 3.5 days
Steward indoxacarb 12 hours 14 days oxadiazine 22A high
Success spinosad 4 hours 28 days naturalyte 5 mod: <2 hours
sulfur sulfur 24 hours 0 miscellaneous — none
various aldicarb 48 hours 90 days carbamate 1A none
Thimet phorate 2-3 days3 60 days organophosphate 1B low: 1 day
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 — 10B low
— = 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 and Kearney Agricultural Research and Extension Center, Parlier
  • E. T. Natwick, UC Cooperative Extension - Desert Research and Extension Center, Imperial County
  • D.R. Haviland, UC Cooperative Extension, Kern County and UC IPM Program

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