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Description
paraquat herbicide dosage per litre Paraquat Dichloride 24% SL HerbicideKrishikranti 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
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
- Fastest knockdown weedicide: Visible wilting starts in 2 – 3 hours, full kill in 24 – 48 hours fastest action of any weedicide in India
- Rain-fast in 15 – 30 minutes: Best choice for monsoon spraying when sudden rain is a risk
- Wide crop approval: CIB-approved for tea, rubber, cotton, aquatic weeds, coffee, potato, apple, grapes
- Soil-safe: Binds tightly to soil on contact does not leach down, safe to plant new crop after 1 to 2 days
- Inter-crop friendly: Safe directed spray in orchards and plantations does not enter through tree bark
- Cost-effective per acre: Lower dose than glyphosate, faster results, lower per-acre cost
- 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:
- Sprays on weed leaves: Paraquat enters the leaf surface in minutes
- Disrupts photosynthesis (PSI): Blocks the photosystem I in the plant cell
- Creates damaging free radicals: These oxygen radicals burst the leaf cells from inside
- 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.
- Always wear: Full sleeve shirt, long pants, rubber boots, rubber gloves, face mask, and goggles during mixing and spraying
- Do NOT eat, drink, or smoke during spray
- Do NOT spray against wind or in strong wind
- Keep away from children, animals, food, and drinking water at all times
- Wash thoroughly with soap and water after spray bathe and change clothes
- Store in original sealed container never transfer to soft drink bottles or other unmarked containers (most poisoning cases happen this way)
- Lock the storage area away from children
- 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
- Fastest knockdown in the market: Wilting in 2 – 3 hours, full kill in 24 – 48 hours
- Rain-fast in 15 – 30 minutes: Best monsoon herbicide no spray failure due to rain
- Soil-safe: Binds to soil immediately, plant new crop in 1 – 2 days
- Wide crop label: Tea, rubber, cotton, coffee, apple, grapes, potato, aquatic weeds
- Works in cool weather: Better than glyphosate in winter
- 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.
Related Herbicides & Resources from Krishi Bhandar
- krishikranti Safaya Paraquat Dichloride 24% SL (same molecule, alternate brand)
- krishikranti Found-Up Glyphosate 41% SL (systemic alternative for perennial weeds)
- krishikranti Draco Glyphosate 71% SG (higher concentration systemic)
- krishikranti Pavilion Pendimethalin 38.7% CS (pre-emergent partner)
- krishikranti Pratighaat 2,4-D Amine Salt 58% SL (broadleaf specialist)
- krishikranti All-Clear Organic Weedicide (organic alternative for kitchen gardens)
- Browse: All Herbicides & Weedicides | All Herbicides
- Read: Weed Control Guide for Paddy
- krishikranti Safaya Paraquat Dichloride 24% SL (same molecule, alternate brand)
- krishikranti Found-Up Glyphosate 41% SL (systemic alternative for perennial weeds)
- krishikranti Draco Glyphosate 71% SG (higher concentration systemic)
- krishikranti Pavilion Pendimethalin 38.7% CS (pre-emergent partner)
- krishikranti Pratighaat 2,4-D Amine Salt 58% SL (broadleaf specialist)
- krishikranti All-Clear Organic Weedicide (organic alternative for kitchen gardens)
- Browse: All Herbicides & Weedicides | All Herbicides
- Read: Weed Control Guide for Paddy
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4.8 ★★★★★
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Product Reviews
★★★★★ 4
Reasonably adequate room divider
Size: 4 Panel-88'', Color: Beige
I'm reviewing this as I assemble it.
Couple things:
1. I didn't expect as much assembly. I've ordered dividers before and they more-or-less came as one unit. Sometimes the panels needed screwing together. These require complete assembly and come largely as three rods: two make up vertical columns and snap together. Another one (called part "C") makes the horizontal columns and you have two of these per panel (one attaches to part "A" and the other part "B"). These parts are metal with a plastic shim. Using the wood screws to attach to part "C" is a real pain in the neck. There's not much holding the panel in place so it's a little tricky.
One tactic I've found while I'm assembling that works for the initial connections from parts A and B to their respective "C" rods is to hold the screw in place with a screw driver and then rotating the rod around the screw. This will do a number on your hands if you aren't wearing gloves. This obviously doesn't work when completing the connection.
Using a driller driver on this is really near impossible because there isn't anything you can use to secure it in place. You can use it on the first panel, but as it gets longer, it becomes increasingly difficult and because it isn't wood, it's really tight. I considered drilling larger pilot holes but since there are only 4x4=16 screws I need to screw in, I just decided to use my screw driver to complete it.
2. Also related to assembly. When completing the panels (attaching parts "A" and "B" to parts "C" that have the cloth cover on it), you have to be careful that when you tighten that side that it isn't loosening the other side. Because the pilot holes are so tight, you can end up rotating the rod, which rotates it in the same direction as looser on the original side. Having someone hold the "C" rod in place while you screw it in is probably the easiest approach. I didn't have a 2nd person, so I just had to keep flipping back and forth and tightening both sides as I screwed it in. Not the worlds biggest deal, but annoying nonetheless.
3. The way the instructions are written, they seem to suggest building this thing progressively; that is, you do panel 1, then 2, connect them together, then do 3 and connect it, etc. I took a different route that I suspect saved me quite a bit of trouble, and I assembled all four panels first and THEN connected everything together.
4. For the love of God make sure you check that the plastic tip is on the same side for every panel. Otherwise, you have to take one side apart again and reverse it. On the bright side, if this happens, you've essentially bored out the pilot holes to be the correct size... which is having me question if I shouldn't have just bored them out to the appropriate width in the first place.
5. Attaching all of the panels together is also an enormous pain in the ass unless you happen to have an 88" long elevated surface. Attaching the legs either requires you to elevate one side, which will invariably twist the inexplicably cheap material in the bottom connectors... or you can attach them sideways... or you can put this thing upright, having two people hold the panels in place while you use the allen wrench to tighten the bolts on the underside. None of those are particularly great options.
NOW on to the utility itself.
1. The panels do let some light through (I didn't believe their advertising, and that was one of the reasons that I bought beige, is that I wanted it to not be too dark). They aren't transparent though, so it isn't that far off from their description. They functionally work great, and keep the mess of wires hidden and when I'm sitting at my desk, actually reflect quite a bit of light into my office. Great!
2. My wife has described these as "the most hideous piece of furniture ever conceived of by man." So it does not have spouse approval factor. Granted, she will seldom be in my office area, so that isn't the end of the world.
3. These are really hard to align in a way that doesn't look a little tacky. There are some plastic connectors but they don't do a bang up job of keeping these in place. Each panel is slightly tilted and it's... quite obvious. I may at some point make my own improvements to these to help make them more level. It's not a particularly expensive product so I wasn't expecting much so it's fine and I'm not going to ding them on the rating because of it.
All said, would I buy this product again? Probably not. It's assembly was ~90 minutes which is about 75 minutes longer than I was anticipating spending on this (not including the 5 minute writeup that I'm doing here). But am I going to return it? Also no, if for no other reason I'd be just as annoyed taking it apart and putting it in the original box to return it.
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Reviewed in the United States on October 31, 2023
★★★★★ 5
Love it it was perfect for what I needed it for. Good quality!
Size: 4 Panel, Color: Black
It like a very dark chocolate brown/black. What I liked most about it is that you just pull it out of the box take the long plastic film off of it and it's ready to go. It has protective feet on the bottom. It's very attractive and it was so easy. It's so nice when you have a product you don't have to assemble.
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Reviewed in the United States on May 13, 2026
★★★★★ 5
Good quality. Nice design
Size: 4 Panel, Color: Chocolate Brown
Love it. Beautiful and good material. Just a little bit too high for my room.
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Reviewed in the United States on May 7, 2026
★★★★★ 4
Shipped quickly and as described
It was what I expected as functionality, lightweight and easy to move about. I plan to use it in my enclosed patio to obscure weight bench and wts. My only complaint is that the bamboo cover on one edge is not secure. But I will probably use a magic marker to cover the natural back that is showing. I don’t have time to return it as my event is coming soon.
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Reviewed in the United States on July 3, 2025
★★★★★ 5
Good product, needs double hinges for versatility.
Size: 6 Panel, Color: Brown
Blocks out all the light, looks good, good color. Only con is that it is not double hinged so it is hard to position the extra panels because I bout 6 panels instead of the 4 I usually get. Good deal, very decent price with the free delivery. Very clean packaging, came in great shape, no smell or odor from the factory.
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Reviewed in the United States on September 9, 2025