Free tool · CIB&RC major uses
✓ CIB&RC list up to 30 September 2026 · checked 24 October 2026
Herbicides approved for onion in India
Every herbicide registered for onion (pyaz) in the official CIB&RC list of major uses: the weeds, the dose per hectare, the water and the waiting period before harvest.
Herbicides (single ingredient)
9 uses · chemical| Product (as registered) | Weeds | a.i. /ha | Product /ha | Water L/ha | Waiting days |
|---|---|---|---|---|---|
| Clethodim 13% w/w EC (Clethodim 12% w/v EC) | Echinochloa colona, Digitaria sanguinalis, Brachiaria reptans, Dactyloctenium aegyptium, Eleusine indica | 120 | 1000 | 500 | 69 |
| Fenoxaprop-p-ethyl 9.3% w/w EC (9% w/v) | Echinochloa colonum Dactyloctenium aegyptium | 78.75 | 875 | 375 | 10 |
| Fluroxypyr meptyl 48% w/v (45.5% w/w) EC | Amaranthus viridis Anagalis arvensis Chenopodium album Euphorbia spp. Parthenium hysterophorus Physalis minima Trianthema spp. | 324 to 360 | 675 to 750 ml/ha | – | 71 days |
| Haloxyfop R Methyl 10.5% w/w EC | Dinebra retroflexa Echinochloa colona Brachiaria eruciformis Panicum isochmi Cynodon dactylon | 108 | 1000 | 500 | 78 |
| Oxyfluorfen 20% DF | Echinochloa spp., Cyperus spp., Chenopodium album Amaranthus viridis | 150-200 g | 750-1000 g | 500 | 91 |
| Oxyfluorfen 23.5% EC | Chenopodium album, Amaranthus viridis | 100-200 g | 425-850 | 500-750 | – |
| Pendimethalin 38.7% CS | Dactyloctenium aegyptium, Digitaria sanguinalis, Echinochloa spp., Dinebra arabica, Portulaca oleracea, Euphorbia geniculata, Commelina spp., Digera arvensis, Amaranthus viridis, Trianthema portulacastrum | 580.50- 677.25 g | 1500-1750 | 500 | 104 |
| Propaquizafop 10% EC | Echinochloa colonum, Digiteria sanguinalis, Dactyloctenium aegyptium, Phalaris minor | 62.5 | 625 | 500 | 7 |
| Quizalofop-ethyl 5% EC | Digitaria sp., Eleusine indicia, Dactyloctenium aegyptium, Eragrostis sp., | 37.5-50.0 | 750-1000 | 375-450 | 7 |
Combination products
6 uses · two or more active ingredients| Product (as registered) | Weeds | a.i. /ha | Product /ha | Water L/ha | Waiting days |
|---|---|---|---|---|---|
| Clodinafop-Propargyl 12.25% + Oxyfluorfen 14.7% EC | Echinochloa colona, Dinebra arabica, Digitaria sanguinalis, Chenopodium album, Amaranthus viridis, Cyperus rotundus | 125 + 150 | 1000 | 500 | 55 |
| Oxyfluorfen 20% + Clodinafop-Propargyl 5% DF | Echinochloa crusgalli, Echinochloa colonum, Cynodondactylon, Phalaris minor, Cyperus rotundus.,Chenopodium album, Amaranthus viridis, Commelina benghalensis | 200 + 50 | 1000 | 500 | 96 |
| Pendimethalin 24% + Oxyfluorfen 4.1% w/v ZE | Dinebra arabica, Echinochloa colona, Digitaria sanguinalis, Cynodon dactylon, Chenopodium album, Cyperus rotundus, Dactyloctenium aegyptium, Commelina benghalensis | 541.92 + 92.56 | 2258 | 500 | 90 |
| Propaquizafop 5% + Oxyfluorfen 12% w/w EC | Grassy weeds: Digitaria sanguinalis, Dactyloctenium aegyptium, Echinochloa colona, Eleusine indica BLW: Chenopodium album, Digera arvensis Amaranthus viridis | 43.75 +105 | 875 | 500 | 7 |
| Quizalofop ethyl 4% + Oxyfluorfen 6% EC | Digitaria sanguinalis (Crab grass) Cyperus rotundus (Moth) | 100 | 1000 | 375 | 7 |
| Quizalofop-ethyl 8.8% + Oxyfluorfen 19 %WG | Portulaca oleracea, Amaranthus viridis, Digera arvensis, Chenopodium album, Echinochloa colona, Eleusine indica | 55+118.75 | 625 | 500 | 50 |
Doses per hectare as listed: a.i. and product in grams or ml unless a unit is shown (kg, litres; where the list gives the a.i. in kg and the product as a bare figure, the product is in kg or litres and the unit is added), water in litres. Waiting period = days from the last application to harvest. Where the list names the crop with a method (for example “pre-emergence” or “nursery”), it is shown under the product. Values exactly as listed.
Herbicides for onion: short answers
Which herbicides are approved for grasses in onion?
The CIB&RC list of major uses gives 13 products for grasses on onion: Clethodim 13% w/w EC (Clethodim 12% w/v EC); Clodinafop-Propargyl 12.25% + Oxyfluorfen 14.7% EC; Fenoxaprop-p-ethyl 9.3% w/w EC (9% w/v); Haloxyfop R Methyl 10.5% w/w EC; Oxyfluorfen 20% + Clodinafop-Propargyl 5% DF; Oxyfluorfen 20% DF; Pendimethalin 24% + Oxyfluorfen 4.1% w/v ZE; Pendimethalin 38.7% CS; Propaquizafop 10% EC; Propaquizafop 5% + Oxyfluorfen 12% w/w EC; Quizalofop ethyl 4% + Oxyfluorfen 6% EC; Quizalofop-ethyl 5% EC; and more in the tables above. Check the dose and waiting period in the tables, and the approved label of the product you buy.
Which herbicides are approved for echinochloa in onion?
The CIB&RC list of major uses gives 11 products for echinochloa on onion: Clethodim 13% w/w EC (Clethodim 12% w/v EC); Clodinafop-Propargyl 12.25% + Oxyfluorfen 14.7% EC; Fenoxaprop-p-ethyl 9.3% w/w EC (9% w/v); Haloxyfop R Methyl 10.5% w/w EC; Oxyfluorfen 20% + Clodinafop-Propargyl 5% DF; Oxyfluorfen 20% DF; Pendimethalin 24% + Oxyfluorfen 4.1% w/v ZE; Pendimethalin 38.7% CS; Propaquizafop 10% EC; Propaquizafop 5% + Oxyfluorfen 12% w/w EC; Quizalofop-ethyl 8.8% + Oxyfluorfen 19 %WG. Check the dose and waiting period in the tables, and the approved label of the product you buy.
Which herbicides are approved for broad-leaved weeds in onion?
The CIB&RC list of major uses gives 9 products for broad-leaved weeds on onion: Clodinafop-Propargyl 12.25% + Oxyfluorfen 14.7% EC; Fluroxypyr meptyl 48% w/v (45.5% w/w) EC; Oxyfluorfen 20% + Clodinafop-Propargyl 5% DF; Oxyfluorfen 20% DF; Oxyfluorfen 23.5% EC; Pendimethalin 24% + Oxyfluorfen 4.1% w/v ZE; Pendimethalin 38.7% CS; Propaquizafop 5% + Oxyfluorfen 12% w/w EC; Quizalofop-ethyl 8.8% + Oxyfluorfen 19 %WG. Check the dose and waiting period in the tables, and the approved label of the product you buy.
What is the waiting period for herbicides on onion?
Among the herbicides listed for onion, the waiting period between the last application and harvest ranges from 7 to 104 days. The shortest, 7 days, is for Propaquizafop 10% EC; Propaquizafop 5% + Oxyfluorfen 12% w/w EC; Quizalofop ethyl 4% + Oxyfluorfen 6% EC; Quizalofop-ethyl 5% EC. Always follow the waiting period on the label.
Is the CIB&RC list the final word on what I can use on onion?
No. The list says it is compiled for guidance, not for legal purposes. Use a product only for the crops and uses on its approved label and leaflet, at the label dose, and check that it is not banned or restricted.
Herbicides by crop
Sources: Central Insecticides Board and Registration Committee, Directorate of Plant Protection, Quarantine and Storage: Major uses of pesticides (registered under the Insecticides Act, 1968), Herbicides, up to 30.09.2026, based on certificates issued. The lists say: “The document has been compiled on the basis of available information for guidance and not for legal purposes.” NanoKheti is not a government body. Also from NanoKheti: Pesticide label checklist · Pesticide licence guide · Insecticides Act made simple.