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Description
top herbicide Topkill Insecticide – AgriVruddhiProduct Name: Topkill Technical Name: Tembotrione 34. 4% SC Product Type: Insecticide Brand Name: GSP Product Overview: Topkill is a selective, post emergence herbicide containing Tembotrione 34. 4% SC. It is used in maize crops to control a broad spectrum of both broadleaf and grassy weeds. It works systemically and is highly effective at low application rates. Summary: Feature Details Mode of Action 4 HPPD inhibitor blocks carotenoid synthesis
Product Name: Topkill
Technical Name: Tembotrione 34.4% SC
Product Type: Insecticide
Brand Name: GSP
Product Overview:
Topkill is a selective, post-emergence herbicide containing Tembotrione 34.4% SC. It is used in maize crops to control a broad spectrum of both broadleaf and grassy weeds. It works systemically and is highly effective at low application rates.
Summary:
| Feature | Details |
|---|---|
| Mode of Action | 4-HPPD inhibitor - blocks carotenoid synthesis → chlorophyll bleaching → weed death |
| Crop | Maize (corn) |
| Target Weeds | Broad-leaf weeds and grassy weeds (e.g., Echinochloa spp., Trianthema portulacastrum, Brachiaria spp.) |
| Application Timing | Post-emergence of weeds; often when weeds are at 2-5 leaf stage (or early growth) |
| Dosage (approximate) | ~114-115 ml/acre for maize (varies by product/brand) |
| Water Volume / Acre | ~200 L per acre for spray dilution (varies) |
| Waiting Period / PHI | ~55 days (for maize) in some formulations. |
Benefits:
- Broad-spectrum control: It kills a wide variety of chewing and sucking insects that damage crops, including bollworms, fruit borers, aphids, and jassids.
- Fast action: As a neurotoxin, it acts quickly on the insect's nervous system, causing rapid paralysis and death.
- Dual action: The insecticide works through both contact (killing pests that touch the treated surface) and stomach action (killing pests that ingest treated foliage), ensuring higher efficacy.
- Higher yields: By effectively controlling pests, Topkill helps protect crops from infestation, leading to healthier plants and better yields.
- Cost-effective: Its high efficacy and broad-spectrum control mean that lower application rates can be effective, making it an economical choice for farmers.
Disclaimer
The information provided here is intended for general knowledge and reference purposes only. Always refer to the product label and accompanying leaflets for complete and up-to-date product details, including directions for use, warnings, and safety information. Use only as directed.
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4.8 ★★★★★
Based on 1643 reviews
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Product Reviews
★★★★★ 5
Great for my Sheprador
Size: Large (Pack of 1)
Dog loves it and it's indestructible. Dog loves chewing on it. The little spot to add treats gives the toy a great life as a distraction while I'm gone. It bounces pretty well too. It's cute but I wish this size had different colors. Black gets lost in my house easily.
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Reviewed in the United States on January 13, 2026
★★★★★ 5
Tough!
Size: Large (Pack of 1)
Our dog is a chewer! Fabric toys don’t last - he enjoys ripped them apart. This lasts quite a while. I do watch it because after sometime (month or so), he does get it start separating. He actually got it in half once (looked “interesting” on my floor when we found it and made for a good laugh). We will continue to buy them.
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Reviewed in the United States on September 29, 2025
★★★★★ 4
GOOD CHOICE FOR A SUPER CHEWER
Size: Large (Pack of 1), Size: Large (Pack of 1)
Pretty good choice, but for a super power chewer like my 2 year old ROTT, nothing can stand up to her ! This bone usually lasts her about 2-3 weeks, but we only let her have it a few hours a day to keep her busy.
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Reviewed in the United States on December 11, 2025
★★★★★ 5
Average size but very durable
Size: Medium (Pack of 1)
My dog broke new bones within an hour of opening them. He is a lab so strong chewer. We bought a Kong tug toy months ago….zero rips, tears or knicks at all so when looking for a bone option, Kong is where we went. So far so good after two days. The rubber chewing sound can get annoying but totally worth it to not worry about it breaking and my dog choking on it or hurting him in some way. Safety was a priority and Kong nailed it. I was hoping it would be a bit bigger based on pictures but it fits his mouth just fine. Being rubber, it is a bit heavy and clunky it your dog likes to retrieve like mine, but if you don’t mind the thud, it is not bad to toss. My dog loves it and it’s is holding up so we are both happy
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Reviewed in the United States on April 1, 2026
★★★★★ 1
Less than 1
Size: Medium (Pack of 1)
I purchased a Kong Extreme Dog Toy at Tractor Supply and it lasted for several weeks with no signs of damage and then my dog lost it. So I went on the search for more Kong Extreme toys for powerful chewers on Amazon. I have a 60 lb. American Straffordshire Pit and he is a fierce chewer. Most chew toys can make it for a day with some damage but by day 2 the fun is over. For him because the toy is torn to bits and for me because I have to pick up the remnants. I have learned not to get him anything fuzzy - he will rip the fuzz off and I have learned not to get him anything with a squeaker because he will not stop chewing until he finds the squeaker and rip it out.
He had the end of the Kong Extreme Goodie Bond Dog Toy off in less than 30 minutes and that was alternating between the Wubba toy for fetching and the bone for chewing, I can tell the Wubba isn't going to last anytime if I let him sit down and chew on it so I had to keep taking it away from him. He likes to catch but he doesn't like to fetch.
When I took the bone out of the package I was more worried about the center as it seemed very flimsy and I had doubts it would make it but my dog concentrated on the holes on the ends (with no snacks in them) and when he laid down to chew on it, he was able to rip the end off in a matter of minutes, This is also listed as for power chewers.
I have other Kong toys I have ordered for him because he loves to play and chew but I can hardly afford to pay $8 to $10 per toy for him to have half a hour of chewing fun.
I went back to TSC for a Kong Extreme Dog Toy and I tried one of the classic Kongs. The classic had one end missing in less than an hour.
A Pit Bull breeder said the only thing he has found his dogs can play with and not destroy are bowling balls. He keeps his dogs in kennels and in a barn and my dog is a house dog so since I don't live in a bowling alley I know that I would wind up wishing he would only chew it up instead of roll it into every piece of furniture or a wall.
I had such high hopes for the Kong Extreme but it is said to have a dog get attached to a toy then have to take it away from him every ten to fifteen minutes because a power chew toy can't hold up to chewing.
Off to find an alternative to Kong,,,,, one toy out of five holding up is not a good recommendation and very expensive to try to find something the dog can enjoy and not destroy.
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Reviewed in the United States on January 28, 2014