Unlike other broadspectrum herbicides, paraquat leaves the grass roots intact that stabilize the paddy field bunds under the usual conditions of heavy rainfall on cleared fields. Review of incidents with wildlife related to paraquat. These reports can be downloaded from the website of bvl following the links pflan. Inhalation of paraquat can cause severe and even fatal pulmonary toxicity in humans. Cheminova paraquat herbicide, 60473 61725 1208t page 4 of 8 crop situation weeds rateha state critical comments general weed control hops annual grasses 1. Rice crop protection guide 201718 the irrigation research and. Many relied on manual weeding, which is slow, tedious, and backbreaking. Paraquat and the stop paraquat campaign the non selective herbicide paraquat a pesticide that kills a broad range of weeds is sold by syngenta and other producers in more than 100 countries mainly. I genfarm paraquat 250 herbicide text 23 july 20 page 6 of 16. Paraquat and the stop paraquat campaign the non selective herbicide paraquat a pesticide that kills a broad range of weeds is sold by syngenta and other producers in more than 100 countries mainly under the brand name gramoxone. The science of paraquat paraquat information center. Some used basic chemical herbicides, which often damaged the crop and caused.
References paraquat is highly acutely toxic and enters the body mainly by swallowing. Paraquat sl a soluble concentrate herbicide for the control of annual grasses and broadleaf weeds in crops as listed and for fire breaks. Paraquat is one of the most widely used herbicides in the world, controlling weeds in a huge variety of crops. Paraquat syngentas controversial herbicide public eye. In the united states, paraquat is available primarily as a liquid in various. Paraquat may also be found commercially as a methyl sulfate salt c 12 h 14 n 2 2ch 3 so 4. September 2012 fmcpara2501 section 4 first aid measures continued swallowed. Market expansion due to the substitution of manual labour in asia and increases in herbi cidetolerant crop plantings in the us. The prevalence of paraquat herbicide was correlated significantly with age p0. For some of you, the thought of using this herbicide thru your sprayer gives you the heebiejeebies. You may copy, distribute, display, download and otherwise freely deal with this. Have the product container or label with you when calling a poison control center or doctor, or going for treatment.
Paraquat, a viologen, is quickacting and nonselective, killing green plant tissue on contact. Firstly supplemental oxygen should be avoided due to the risk of developing oxygen free radicals. Agricultural herbicide for use as described on the product label. Over 25 million farmers in over 120 countries currently use paraquat. Do not give anything by mouth to a semiconscious or unconscious person. New changes to paraquat label penn state extension. Waicent faoinfoagricultagpagpppesticidjmprdownload2003. In some countries, a lowstrength granular formulation also containing diquat is available.
Paraquat is mainly formulated as an aqueous solution with surfaceactive agents. Paraquat, a quarternary nitrogen herbicide, is a highly toxic. Pdf effect of glyphosat and paraquat herbicides on weed control. It belongs to the bipyridylium family of herbicides. Willowood paraquat 3sl is a unique, fast acting, nonselective contact herbicide regsitered for use in a wide variety of crops including but not limited to. Paraquat is a quaternary ammonium herbicide that can produce active oxygen species and cause ards in humans, with fibrous tissue developing in the lungs, leading to asphyxiation up to 30 days after ingestion. Paraquat 200 sl page 2 of 5 material safety data sheet issued by.
Until paraquat was developed, farmers in hot, wet climates had a limited range of options for. Paraquat sl herbicide arysta lifescience south africa. The rochester team studied the effects of a mixture of two common agrochemicals, the herbicide paraquat and the fungicide maneb. Paraquat, chemically 1, 1 dimethyl44bipyridinium, is a green colored herbicide. Effects of paraquat ban on herbicide poisoningrelated mortality. References paraquat is highly acutely toxic and enters the body mainly by swallowing, or through damaged skin, but may also be inhaled. Paraquat toxicity litfl toxicology library toxicant. Thousands of deaths have occurred from ingestion often suicide or dermal exposure mainly.
Effects occur in two stages, immediate and delayed. Pdf effects of paraquat ban on herbicide poisoning. The product is diluted typically 200 times with water and. The herbicide paraquat has a long history of poisonings and deaths. Cdc niosh pocket guide to chemical hazards paraquat. Paraquat herbicide burning issues free pdf download. Page 2 of 35 first aid contains paraquat, a bipyridinium herbicide. Herbicides such as paraquat are important because weeds compete vigorously with crops for water, light and other nutrients. Active constituents 250gl paraquat present as paraquat dichloride. It was assumed that this label information was the most. Cont immediately transfer patient to nearest hospital or medical centre, warning by telephone of. Paraquat is a broad spectrum, nonselective herbicide. Epa, pesticides, label, paraquat sl herbicide, 782010. Paraquat and diquat national pesticide information center.
A 41yearold male with no prior comorbidities presented to the. Paraquat is used as a quaternary ammonium herbicide. If swallowed call a poison control center or doctor immediately for treatment advice. Paraquat, a quarternary nitrogen herbicide, is a highly toxic compound for humans and animals and many cases of acute poisoning and death have been reported over the. Pure paraquat salts are white and the technical products, yellow.
Ingestion drinking of paraquat has grown popular in thirdworld countries as a means of committing suicidedrinking a mere 2 ounces will kill you. As a result, if they are not suppressed they reduce crop yields by up to 80%. Paraquat is a toxic chemical that is widely used as an herbicide plant killer, primarily for weed and grass control. The use of herbicide paraquat killed around 170 people in the last two years in odishas burla district leading to demands for its ban. Paraquat is a chemical herbicide, or weed killer, thats highly toxic and used all over the world. Genfarm paraquat 250 herbicide is for the control of a wide range of grasses and broadleaf weeds as per directions for use. Paraquat is in the news because of toxicity concerns, discussed in an article in the december 20th new york times, so this is a good time to examine what paraquat does and doesnt do. It is one of the most lethal herbicide and is hazardous in very small. Paraquat is one of the most widely used herbicides in the u. To date, epidemiological and animal studies have linked some. Paraquat a unique contributor to agriculture paraquat information.
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