Free tool · CIB&RC major uses
✓ CIB&RC list up to 30 September 2026 · checked 24 October 2026
Herbicides approved for maize in India
Every herbicide registered for maize (makka) 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)
18 uses · chemical| Product (as registered) | Weeds | a.i. /ha | Product /ha | Water L/ha | Waiting days |
|---|---|---|---|---|---|
| Atrazine 50% WP | Trianthama monogyna Digera arvensis, Echinochloa spp Eleusine Spp. Xantheium strumarium Brachiaria sp, Digitaria sp, Amaranthus viridis, Cleome viscose, Polygonum spp. | 0.5-1.0 kg | 1-2 kg | 500-700 | – |
| 2,4-D Amine salt 22.5% SL | Trianthema monogyna, Portulaca oleracea, Amaranthus spp., Cyperus iria | 1.41 kg | 6.25 kg | 400-500 | 50-60 |
| 2,4-D Dimethyl Amine salt 58% SL | Trianthema monogyna, Amaranthus spp., Tribulus terrestris, Boerhavia diffusa, Euphorbia hirta, Portulaca oleracea, Cyperus spp. | 0.5 kg | 0.86 L | 400-500 | 50-60 |
| 2,4-D Sodium Salt 95% SP (earlier registered as 2,4-D Sodium Salt 80% WP) | Amaranthus viridis, Trianthema portulacastrum, Phyllanthus niruri, Euphorbia geniculata, Amaranthus spinosus, Cleome chelidonii, Lagascea mollis | 1.0 kg | 1.25 kg | 500 | 120 (Pre-em) 90 (Post-em) |
| 2,4-D Ethyl Ester 38 % EC (having 2,4-D acid 34 % w/w) | Trianthema monogyna, Amaranthus spp., Portulaca oleracea., Tribulus terrestris, Boerhavia diffusa, Euphorbia hirta, Cyperus spp. | 0.9 kg | 2.65 ltr | 400-450 | 50-60 |
| 2,4-D Ethyl Ester 20 % WP | Trianthema spp. Euphorbia hirta Cyperus spp. | 0.9 | 5.0 | 625 | – |
| Dicamba 48% w/v SL | Trianthema portulacastrum | 360 | 750 | 500 | 69 |
| Diuron 80% WP | Cyperus iria, Echinochloa spp., Digitaria spp., Chenopodium album, Eleusine spp., Amaranthus spp., Phyllanthus niruri⚠ The list prints the product dose as “500.30 kg”, which cannot be right; 0.8 kg a.i. of an 80% WP is 1.0 kg of product. Check the label. | 0.8 kg | – | 600 | – |
| Halosulfuron Methyl 75% WG | Cyperus rotundus, Cyperus iria | 67.5 | 90 | 375 | 45 |
| Mesotrione 40% SC | Commelina benghalensis, Amaranthus viridis | 140 | 350 | 500 | 42 |
| Mesotrione 9.09% w/w SC | Leptochloa chinensis, Digera arvensis, Amaranthus viridis, Trianthema portulacastrum, Physalis minima | 100 gm | 1000 ml | 300 l | 51 days |
| Metolachlor 50% EC | Echinochloa colona, Eleusine indica, Digitaria sanguinalis, Phyllanthus niruri, Portulaca oleracea, Amaranthus viridis and Trianthema portulacastrum | 1000 gm | 2000 gm | 500 L | 128 Days |
| Paraquat dichloride 24% SLMaize [pre-plant (minimum tillage) before sowing] | Cyperus rotundus, Commelina benghalensis, Trianthema monogyna, Amaranthus spp., Echinochloa spp. | 0.2-0.5 kg | 0.8-2.0 ltrs | 500 | 90-120 |
| Paraquat dichloride 24% SLMaize (Post-emergence directed inter row application at 2-3 leaf stage of weeds) | Cyperus iria, Cyperus rotundus, Commelina benghalensis, Amaranthus spp., Echinochloa spp., Trianthema monogyna | 0.2-0.5 kg | 0.8-2.0 ltrs | 500 | 90-120 |
| Pyroxasulfone 85% w/w WG | Echinochloa crusgalli, Eleusine indica, Phyllanthus niruri⚠ As printed (150 ml); for a granule this is 150 g (150 g at 85% is 127.5 g a.i.). | 127.5 g | 150 ml | 500 | 103 |
| Tembotrione 34.4% SC | Echinochloa spp., Trianthema portulacastrum, Brachiaria spp. | 120 g | 286 ml | 500 | 55 |
| Tolpyralate 40% (w/v) SC | Chenopodiun album, Trianthema portulacastrum, Echinochloa colona, Cyperus rotundus | 50 | 125 | 500 | 61 |
| Topramezone 336 g/l w/v SC | Eleusine indica, Digitaria sanguinalis, Dactyloctenium aegyptium, Echinochloa spp., Chloris barbata, Parthenium hysterophorus, Digera arvensis, Amaranthus viridis, Physalis minima, Alternanthera sessilis, Convolvulus arvensis, Celosia argentea | 25.2 to 33.6 g a.i./ha + MSO adjuvant @ 2 ml/l of water | 75 to 100 ml + MSO adjuvant @ 2 ml/l of Water | 375 | 83 |
Combination products
9 uses · two or more active ingredients| Product (as registered) | Weeds | a.i. /ha | Product /ha | Water L/ha | Waiting days |
|---|---|---|---|---|---|
| 2,4-D Sodium Salt 25% + Atrazine 14% + Mesotrione 1.5% SC | Echinochloa colona, Digitaria sanguinalis, Cyperus rotunds, Dactyloctenium aegyptium (Monocots), Trianthema portulacastrum, Amaranthus viridis, Phyllanthus niruri, (Dicots) | 1000+560+60 gm | 4000 ml | 500 l | 87 days |
| Halosulfuron Methyl 5% + Atrazine 48% WG | Echinochloa spp. Digitaria sanguinalis Eleusine indica Trianthema monogyna Celosia argentia Cyperus rotundus | 56.25+540 | 1125 | 375 | 37 |
| Mesotrione 2.27% w/w + Atrazine 22.7% w/w SC | Trianthema spp., Cyperus spp. Digitaria sanguinalis, Echinochloa spp. Dactyloctenium aegyptium | 875 gm | 3500 | 500 | 42 |
| Mesotrione 7.5% + Atrazine 60% + Halosulfuron-methyl 3.7% WG | Echinochloa colona, Cyperus rotundus, Cynadon dactylon, Trianthamamonogyna, Digera arvensis, Eleusine indica, Amaranthus viridis, Chenopodium album,Parthenium hysterophorous | 131.25+1050+64.75 | 1750 | 500 | 79 |
| Metolachlor 36.8% + Mesotrione 3.68% SE | Grasses: Echinochloa colona (wild rice), Digitaria sanguinalis (hairy crabgrass), Cynodon dactylon (bermuda grass), Eleusine indica (Indian goosegrass), Broad leaved Weeds: Portulaca oleracea (little hogweed), Amaranthus viridis (pigweed), Phyllanthus niruri (gale of the wind), Commelina diffusa (Spreading dayflower). | 1000+100 | 2500 | 450 | 96 |
| Saflufenacil 68 g/l + Dimethenamid- p 600 g/l EC | Cynodon dactylon, Cyperus rotundus, Commelina benghalensis, Acanthospermum hispidum, Amaranthus viridis | 68 + 600 g a.i./ha – 85 + 750 g a.i./ha | 1000 - 1250 | 375 | 98 |
| Tembotrione 9% + Atrazine 45% WG | Digitaria sanguinalis, Echinochloa colona, Trianthema portulacastrum, Cleome viscosa, Amaranthus viridis | 135 +675 | 1500 | 500 | 81 |
| Topramezone 10 g/l + Atrazine 300 g/l SC | Parthenium hysterophorus Panicum spp. Amaranthus viridis Celosia argentea Melilotus alba Alternenthera sp. Digitaria sanguinalis | 775 | 2500 | 500 | 90 |
| Topramezone 32 g/l + Dimethenamid-p 538 g/l EC | Digitaria sanguinalis, Panicum repens, Dinebra retroflexa, Parthenium hysterophorus, Alternanthera sessilis | 570 (Topramezon e 32 gm + Dimethenami d p- 538 gm) | 1000 | 500 | 85 |
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 maize: short answers
Which herbicides are approved for broad-leaved weeds in maize?
The CIB&RC list of major uses gives 24 products for broad-leaved weeds on maize: 2,4-D Amine salt 22.5% SL; 2,4-D Dimethyl Amine salt 58% SL; 2,4-D Ethyl Ester 20 % WP; 2,4-D Ethyl Ester 38 % EC (having 2,4-D acid 34 % w/w); 2,4-D Sodium Salt 25% + Atrazine 14% + Mesotrione 1.5% SC; 2,4-D Sodium Salt 95% SP (earlier registered as 2,4-D Sodium Salt 80% WP); Atrazine 50% WP; Dicamba 48% w/v SL; Diuron 80% WP; Halosulfuron Methyl 5% + Atrazine 48% WG; Mesotrione 2.27% w/w + Atrazine 22.7% w/w SC; Mesotrione 40% SC; 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 grasses in maize?
The CIB&RC list of major uses gives 18 products for grasses on maize: 2,4-D Sodium Salt 25% + Atrazine 14% + Mesotrione 1.5% SC; Atrazine 50% WP; Diuron 80% WP; Halosulfuron Methyl 5% + Atrazine 48% WG; Mesotrione 2.27% w/w + Atrazine 22.7% w/w SC; Mesotrione 7.5% + Atrazine 60% + Halosulfuron-methyl 3.7% WG; Mesotrione 9.09% w/w SC; Metolachlor 36.8% + Mesotrione 3.68% SE; Metolachlor 50% EC; Paraquat dichloride 24% SL; Pyroxasulfone 85% w/w WG; Saflufenacil 68 g/l + Dimethenamid- p 600 g/l 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 trianthema in maize?
The CIB&RC list of major uses gives 15 products for trianthema on maize: 2,4-D Amine salt 22.5% SL; 2,4-D Dimethyl Amine salt 58% SL; 2,4-D Ethyl Ester 20 % WP; 2,4-D Ethyl Ester 38 % EC (having 2,4-D acid 34 % w/w); 2,4-D Sodium Salt 25% + Atrazine 14% + Mesotrione 1.5% SC; 2,4-D Sodium Salt 95% SP (earlier registered as 2,4-D Sodium Salt 80% WP); Dicamba 48% w/v SL; Halosulfuron Methyl 5% + Atrazine 48% WG; Mesotrione 2.27% w/w + Atrazine 22.7% w/w SC; Mesotrione 9.09% w/w SC; Metolachlor 50% EC; Paraquat dichloride 24% SL; and more in the tables above. 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 maize?
Among the herbicides listed for maize, the waiting period between the last application and harvest ranges from 37 to 103 days. The shortest, 37 days, is for Halosulfuron Methyl 5% + Atrazine 48% WG. Always follow the waiting period on the label.
Is the CIB&RC list the final word on what I can use on maize?
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.