HERBICIDEFLUAZIFOP-P-BUTYL
Systemic grass herbicide
Fluazifop-p-butyl was developed and commercialized by ISK in
the 1980’s and has been widely used numerous countries.
Fluazifop-p-butyl is highly effective against annual and perennial grasses and is non-toxic to broadleaf crops such as
soybean, peanut, cotton, oil palm, citrus, and vegetable, etc.

Physico-Chemical Properties

Toxicology & Ecotoxicology

Chemical structure
CH3

NF 3C

Rat LD50 (oral) : > 3,680 mg/kg (m), 2,451 mg/kg (f)Rat LD50 (dermal) : > 2,076 mg/kg (m/f)
Rat LC50 (inhalation) : > 5.24 mg/L (m/f)

OO

C

CO 2 (CH2)3 CH3Skin irritation : slight irritant (rabbit)
Eye irritation : slight irritant (rabbit)
Skin sensitization : not a sensitizer (guinea pig)

HClass : aryloxyphenoxypropionate
IUPAC name : butyl (R)-2-{4-[5-(trifluoromethyl)2-pyridyloxy]phenoxy}propionate
Molecular weight : 383.4
Molecular formula : C19H20F3NO4
Vapour pressure : 4.14x10-4 Pa (25˚C)
Water solubility : 1.75 mg/L (25˚C)
Form : Pale yellow liquid
Development code : SL-118

Fish LC50 : 6.83 mg/L (trout, 96 h)
Bees LD50 (oral) : > 50 μg/bee
Bees LD50 (contact) : > 100 μg/beeDaphnia magna EC50 : 11.1 mg/L (48h)Mode of Action
Plant Uptake Fluazifop-P-butyl is quickly absorbed into the leaf
surface, hydrolysed to fluazifop-P and translocated through thephloem and xylem, accumulating in the rhizomes and stolons of perennial grasses and the meristems of annual and perennial grasses.

Application
Uses Fluazifop-p-butyl is a post-emergence product and provides
excellent control of annual and perennial grasses, including wild
oat and volunteer cereals. Fluazifop-p-butyl is non-toxic to broadleaf
plants and is therefore registered for use in a variety of broadleaf crops,
such as soybean, oilseed rape, sugar beet, fodder beet, potatoes,
vegetables, cotton, pome fruit, stone fruit, bush fruit, citrus fruit, vines,pineapples, bananas, strawberries, sunflowers, alfalfa, ornamentals, andother broadleaf crops. Application rate ranges from 125-375 g ai/ha.

Symptoms Weeds treated with fluazifop-p-butyl stop growing withina few hours, show gradual discoloration on newer growth in 3 to 4days, and eventually necrosis, desiccation, and plant death occurs
within 2 to 3 weeks.
Selectivity Fluazifop-p-butyl inhibits acetyl CoA carboxylase(ACCase), which is an essential plant enzyme that acts in fatty acidsynthesis, and selectivity due to the difference of the enzyme sensitivity between gramineae and non-gramineae plants.

ProductTrade Names

ONECIDE, NEW ONECIDE, HACHE UNO SUPER, 新萬帥, ワンサイドP, etc.

Formulations

15%EC, 17.5%EC

Registered Countries

AsiaCambodia, China, Japan, South Korea, Philippines, Taiwan, Vietnam, etc.

Americas

Argentina, Chile, Peru, Uruguay, etc.

ISHIHARA SANGYO KAISHA, LTD.

URL : http://www.iskweb.co.jp

E-mail : isk.bio@iskweb.co.jp

1-3-15 Edobori, Nishi-ku, Osaka 550-0002 TEL +81-6-6444-7154

FLUAZIFOP-P-BUTYLHERBICIDE

Systemic grass herbicide

Visual Effect of Herbicidal Activity

2 days after application

7days after application

21days after application
Weed: Digitaria ciliaris

Characterisitics
Simple and convenient use instructions
Selective and systemic post-emergent herbicide
Controls annual and perennial weeds
Non-toxic to broadleaf crops
Resistant to wash-off by rain, due to systemic activity
Safe to birds, fish, bees, and other beneficial insectsWeed Spectrum
Fluazifop-P-butyl has excellent eﬃcacy against annual and perennial grass weeds.
Application rate and timing by each weed species
Weed Species

Application Timing(Post-emergence)Rate(g a.i./ha)Setaria virids
Eleusine indica
Digitaria ciliaris
Echinochloa sp.

up to 6 leaf-stage

131 – 175

Bromus catharticus
Cynodon dactylon
Paspalum thunbergii

up to 20 cm

175 – 263

Imperata cylindrica
Miscanthus sinensis
Lolium perenne

up to 30 cm

263

Phragmites australis

up to 100 cm

263

ISHIHARA SANGYO KAISHA, LTD.

URL : http://www.iskweb.co.jp

E-mail : isk.bio@iskweb.co.jp

1-3-15 Edobori, Nishi-ku, Osaka 550-0002 TEL +81-6-6444-7154