Krishikranti SUMAX (Paraquat Dichloride 24% SL) is a fast-acting, non-selective contact herbicide. It kills annual grasses, broadleaf weeds, and small weeds within 24 to 48 hours of spray. Visible wilting starts in just 2 to 3 hours. Rain-fast in 15 to 30 minutes. Best for tea, rubber, cotton (pre-sowing), aquatic weeds, and orchards (directed spray). Faster knockdown than glyphosate. A proven, value-priced alternative to Gramoxone and Cydus.
TypeNon-Selective Contact Herbicide
FormSoluble Liquid (24% SL)
Best ForFast Knockdown of Annual Weeds
Mode of ActionPSI Disruptor (HRAC Group D)
Visible EffectWilting in 2 – 3 Hours
Rain-Fast15 – 30 Minutes
Benefits of Paraquat Dichloride 24% Sl
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Fastest knockdown weedicide: Visible wilting starts in 2 – 3 hours, full kill in 24 – 48 hours fastest action of any weedicide in India
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Rain-fast in 15 – 30 minutes: Best choice for monsoon spraying when sudden rain is a risk
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Wide crop approval: CIB-approved for tea, rubber, cotton, aquatic weeds, coffee, potato, apple, grapes
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Soil-safe: Binds tightly to soil on contact does not leach down, safe to plant new crop after 1 to 2 days
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Inter-crop friendly: Safe directed spray in orchards and plantations does not enter through tree bark
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Cost-effective per acre: Lower dose than glyphosate, faster results, lower per-acre cost
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Works in cool weather: Effective even in winter when glyphosate becomes slow
How Does SUMAX Work?
Paraquat is a contact herbicide it works very differently from glyphosate:
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Sprays on weed leaves: Paraquat enters the leaf surface in minutes
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Disrupts photosynthesis (PSI): Blocks the photosystem I in the plant cell
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Creates damaging free radicals: These oxygen radicals burst the leaf cells from inside
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Plant dries and dies: Wilting starts in hours, full death in 24 – 48 hours
Important: Paraquat is a contact killer only it does NOT travel to roots. Perennial weeds (Doob, Motha, Kans grass) will regrow from roots. For root-level kill on perennials, use Glyphosate 41% SL instead.
Paraquat (SUMAX) vs Glyphosate — When to Use Which? SUMAX (Paraquat) = fast knockdown in 24 – 48 hours, rain-fast in 15 minutes, best for tea, rubber, cotton pre-sowing, aquatic weeds, and inter-crop spray where you need quick visible results. Glyphosate = slow but kills roots also, best for tough perennial weeds (Motha, Doob, Kans) and pre-sowing fields where you need full root kill. Many farmers tank-mix a low dose of glyphosate + paraquat for both fast knockdown and root kill.
SUMAX Dose Table
| Use Area |
Dose |
Water Volume |
Tea (general weed control)
CIB-approved
|
1.5 – 2.5 L/ha
(600 ml – 1 L/acre) |
400 – 500 L/ha |
Rubber, Coffee, Plantation (directed)
CIB-approved
|
2.0 – 2.5 L/ha
(800 ml – 1 L/acre) |
400 – 500 L/ha |
Cotton (pre-sowing field prep)
CIB-approved
|
1.5 – 2.5 L/ha
(600 ml – 1 L/acre) |
300 – 400 L/ha |
Aquatic weeds
CIB-approved
|
2.5 L/ha
(1 L/acre) |
500 L/ha |
Apple, Grapes (directed)
CIB-approved
|
1.5 – 2.5 L/ha
(600 ml – 1 L/acre) |
500 L/ha |
Potato (pre-harvest desiccation)
CIB-approved
|
1.5 L/ha
(600 ml/acre) |
400 L/ha |
| Knapsack Pump (15 L) |
100 – 125 ml per pump |
15 L per pump |
| Per litre water (dosage) |
6 – 8 ml per litre water |
— |
Quick Dose Reference: Per acre: 800 ml – 1 L • Per hectare: 2 – 2.5 L • Per 15 L pump: 100 – 125 ml • Per litre water: 6 – 8 ml • Water volume: 300 – 500 L/ha • Spray on sunny day for fastest action
SAFETY FIRST Paraquat Toxicity Information (Read Carefully):
Paraquat Dichloride is a highly toxic herbicide. There is NO antidote if swallowed. Even a small amount taken by mouth can be fatal. Use with extreme care.
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Always wear: Full sleeve shirt, long pants, rubber boots, rubber gloves, face mask, and goggles during mixing and spraying
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Do NOT eat, drink, or smoke during spray
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Do NOT spray against wind or in strong wind
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Keep away from children, animals, food, and drinking water at all times
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Wash thoroughly with soap and water after spray bathe and change clothes
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Store in original sealed container never transfer to soft drink bottles or other unmarked containers (most poisoning cases happen this way)
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Lock the storage area away from children
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Dispose of empty container safely never reuse
In case of accidental swallowing or poisoning: Take the person to the nearest hospital IMMEDIATELY. Carry the product label/container to show the doctor. Do NOT wait for symptoms. Paraquat poisoning is a medical emergency every minute matters. There is no home treatment. Time is the only thing that can help.
How to Use SUMAX Simple Steps
- Wear full safety gear gloves, mask, goggles, full clothes, boots
- Mix the right dose in clean water (see dose table)
- Pour into spray pump, shake well
- Spray fully on weed leaves wet them completely
- Spray on bright sunny day for fastest kill
- Avoid windy conditions risk of drift to other crops
- Do not spray on crop leaves non-selective, will kill them
- Wash sprayer, body, and clothes thoroughly after use
Why Farmers Choose Krishikranti SUMAX
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Fastest knockdown in the market: Wilting in 2 – 3 hours, full kill in 24 – 48 hours
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Rain-fast in 15 – 30 minutes: Best monsoon herbicide no spray failure due to rain
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Soil-safe: Binds to soil immediately, plant new crop in 1 – 2 days
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Wide crop label: Tea, rubber, cotton, coffee, apple, grapes, potato, aquatic weeds
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Works in cool weather: Better than glyphosate in winter
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Value alternative to Gramoxone and Cydus: Same molecule, same dose, better price
Frequently Asked Questions
Q. What is Paraquat Dichloride 24% SL used for? SUMAX (Paraquat Dichloride 24% SL) is a non-selective contact herbicide. It controls annual grasses and broadleaf weeds in tea, rubber, coffee, cotton (pre-sowing), aquatic weeds, apple, grapes, and potato (pre-harvest desiccation). Visible weed wilting in 2 to 3 hours.
Q. What is the dose of Paraquat Dichloride 24% SL per acre? The standard dose is 800 ml to 1 L per acre dissolved in 150 to 200 litres of water. For knapsack pump, mix 100 to 125 ml in 15 litres of water. Per hectare: 2 to 2.5 L.
Q. What is Paraquat Dichloride 24% SL dosage per litre of water? 6 to 8 ml of Paraquat Dichloride 24% SL per litre of water. For a 15-litre knapsack pump, this works out to 100 to 125 ml.
Q. How fast does Paraquat 24% SL kill weeds? Visible wilting starts in 2 to 3 hours after spray. Full weed death in 24 to 48 hours on a sunny day. This is the fastest weedicide action available in the Indian market.
Q. Is Paraquat 24% SL safe for crops? No. Paraquat is non-selective it kills any green plant it touches. Use only as directed spray in orchards and plantations (do not touch crop leaves), or before sowing the main crop. Safe to plant new crop 1 to 2 days after spray.
Q. Paraquat vs Glyphosate which is better? Paraquat is faster (24 – 48 hours vs 14 – 21 days) but does not kill roots. Glyphosate is slower but kills roots and rhizomes better for perennial weeds. Use paraquat for fast knockdown of annual weeds. Use glyphosate for tough perennials like Motha, Doob, Kans.
Q. SUMAX vs Cydus Paraquat Dichloride 24% SL what is the difference? Both contain the same active ingredient: Paraquat Dichloride 24% SL. Cydus (UPL) is a well-known brand. Krishikranti SUMAX offers the same molecule, same efficacy, same CIB-approved dose at better farmer value.
Q. What is Paraquat Dichloride 24% SL poisoning? How to handle it? Paraquat is highly toxic if swallowed even a small amount can be fatal. There is no antidote. If anyone accidentally swallows or has serious exposure, take them to the nearest hospital IMMEDIATELY and carry the product container/label to show the doctor. Do not wait for symptoms. To prevent poisoning: always store in the original sealed container, lock away from children, wear full protective gear during use, never transfer to drink bottles, and wash thoroughly after spraying.
Q. Is Paraquat banned in India? No. Paraquat Dichloride 24% SL is approved and registered with CIB & RC in India for use in tea, rubber, coffee, cotton, aquatic weeds, apple, grapes, and potato. However, it is restricted-use in many countries due to high toxicity. Indian farmers must use it strictly per CIB-approved crops and with full safety precautions.
Q. Is SUMAX rain-fast? Yes. SUMAX is rain-fast within 15 to 30 minutes of spray the fastest rain-fast time of any herbicide in India. This makes it the best choice for monsoon spraying when sudden rain is a risk.
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