AGRO 304 :: Lecture 11 :: NOMENCLATURE OF COMMONLY AVAILABLE HERBICIDES IN INDIA

Prior to the widespread use of chemical herbicides, mechanical control and cultural controls, such as altering soil pH, salinity, or fertility levels were used to control weeds.
The first widely used herbicide was 2,4-dichlorophenoxyacetic acid, often abbreviated 2,4-D which kills many broadleaf plants while leaving grasses largely unaffected (high doses of 2,4-D at crucial growth periods can harm grass crops such as maize or cereals). The low cost of 2,4-D has led to continued usage today and it remains one of the most commonly used herbicides in the world.
In 1950s triazine family of herbicides, which includes atrazine was introduced. Atrazine does not break down readily (within a few weeks) after being applied to soils of above neutral pH. Atrazine is said to have carryover, a generally undesirable property for herbicides. Glyphosate, frequently sold under the brand name Roundup, was introduced in 1974 for non-selective weed control. It is now a major herbicide in selective weed control in growing crop plants due to the development of crop plants that are resistant to it.
Many modern chemical herbicides for agriculture are specifically formulated to decompose within a short period after application. This is desirable as it allows crops which may be affected by the herbicide to be grown on the land in future seasons. However, herbicides with low residual activity (i.e., that decompose quickly) often do not provide season-long weed control.
List of herbicides with their common name and chemical name


S.No

Common Name

Trade Name

Chemical Name

Aliphatic carboxylic

1

Acrolein

Aqualin

2-propenal

2

Allyl alcohol

Allyl alcohol

2-propen-1-ol

3

TCA

TCA

 

4

Dalapon

Dalapon, Dowpan

 

Phenoxy Carboxylic

1

2,4,D

2,4,D; Fernoxone

2,4-dichlorophenoxyacetic acid

2

2,4,5 T

Weedar; Weedone

2,4,5-trichlorophenoxy acetic acid

Phenyl acetic acid

1

Fenac

Fenac

2,3,6-trichlorophenyl acetic acid

Benzoic acid

1

Dicamba

Banvel

2-methoxy - 3,6-dichloro benzoic acid

2

2,3,6 - TBA

Trysben; Benzac

2,3,6-trichlorobenzoic acid

Phthalic acid

1

Naptalam

Alanap; Peach thin 322

N-1-naphthylphthalamic acid

2

Endothol

Aquathal; Hydrothal

 

Phenol

1

PCP

Premerge; DNBP

Pentachlorophenol

2

Dinoseb

Basanite

2-sec-butyl-4,6-dinitrophenol

Dinitroaniline

1

Fluchloralin

Basalin

N-propyl -N(2-chloroethyl)- 4-(trifluoromethyl) - 2,6 dinitro-aniline

2

Isopropalin

Paarlon

N,N-dipropyl- 4-isopropyl -2,6-dinitro aniline

3

Pendimethalin

Prowl; Herbadex; Stomp

N-(1-ethylpropyl)-3,4-dimethyl-2,6-dinitroaniline

4

Trifluralin

Treflan

N,N-dipropyl-4-(trifluoromethyl) - 2,6-dinitroaniline

Benzonitrile

1

Dichlobenil

Casoron

2,6, - dinitrobenzonitrile

2

Bromoxynil

Brominol; Butril

3,5-dibromo-4-hydroxybenzonitrile

Triazines

1

Atrazine

Aatres; Gesprim

2-chloro-4-ethylamino-6-isopropylamino-S -triazine

2

Simazine

Princep; gesatop; Tapazine

2-chloro-4,6-bis(ethylamino) -S -triazine

Urea

1

Diuron

Karmex

3-(3,4-dichlorophenyl)-1,1-dimethylurea

2

Monuron

Telvar

3-(4-chlorophenyl)-1,1-dimethylurea

3

Isoproturon

Tolkan; Arelon

3-(4-isopropylphenyl)-1,1-dimethylurea

Phenyl Carbamate

1

Phenmedipham

Betanol

3-(methoxycarbonyl)amino]phenyl (3-methylphenyl)carbamate

2

Propham

Chem -hoe

Isopropyl phenylcarbamate

Thiocarbamate

1

Butylate

Bolero; Saturn

S-ethyl diisobutyl thiocarbamate

2

Thiobencarb

Odram; Saturn

S-4-chlorobenzyl diethyl(thiocarbamate)

3

Metham

Vepam; VPM

Sodium methyl dithiocarbomate

Acid amide

1

Alachlor

Lasso

2-chloro-2′,6′-diethyl-N-methoxymethylacetanilide

2

Butachlor

Machete; Delchlor

N-butoxymethyl-2-chloro-2′,6′-diethylacetanilide

Organic arsenical

1

Cacodylic acid

Phyto 138; Eras

Dimethyl arsonic acid

2

MAA

Ansar

Methane arsonic acid

Uracil

1

Bromacil

Hyvar-X; Krovar -1

5-bromo-3-sec-butyl-6-methyluracil

Diphenyl ether

1

Nitrofen

TOK E 25

2,4-dichlorophenyl p-nitrophenyl ether

2

Oxyfluoren

Goal

2- choloro – 1-(3-ethoxy-4nitrophenoxy) -4-(trifluoro methyl) benzene

Bipyridilium

1

Diquat

Reglone

6,7-dihydrodipyrido[1,2-a:2′,1′- a]pyrazinediium

2

Paraquat

Gramaxone

1,1′-dimethyl-4,4′-bipyridinium

Unclassified

1

Glyphosate

Round up; Glycel

N-(phosphanomethyl) glycine

2

Picloram

Tordon

4-amino 3,5,6 –trichloro picolinic acid

Inorganic herbicides

1

Ammoniumsulphamate

 

 

2

Sodium arsenite

 

 
Download this lecture as PDF here