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Overview
| Product Name | Dhanuka Sempra Herbicide |
|---|---|
| Brand | Dhanuka |
| Category | Herbicides |
| Technical Content | Halosulfuron Methyl 75% WG |
| Classification | Chemical |
| Toxicity | Blue - Moderately toxic |
| Pack Sizes | 3.6g, 18g, 36g, 72g (36g x 2) |
| Subsidy | 25% सबसिडी |
About Dhanuka Sempra Herbicide
Sempra Herbicide (Halosulfuron Methyl 75% WG) by Dhanuka is a selective post-emergence herbicide for managing nutgrass and sedge weeds in sugarcane, maize, and bottle gourds. Its systemic action works through leaves and roots and moves within the weed plant to gradually stop weed growth. Use Dhanuka Sempra as a foliar spray on young, actively growing weeds for proper field coverage and weed contact.
Sempra 75% WG herbicide is a selective, post-emergence and systemic herbicide containing Halosulfuron Methyl 75% WG as its active ingredient. It is used to control nutgrass and sedge weeds in sugarcane, maize and bottle gourd crops. It is mainly recommended for controlling cyperus rotundus and cyperus Iria, which compete with crops for water, nutrients and sunlight.
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Mode of Action
Halosulfuron Methyl inhibits the ALS (Acetolactate Synthase) enzyme in weeds, which is essential for amino acid formation and weed growth. After absorption through leaves and roots, the herbicide moves throughout the weed plant and gradually stops its growth. The weeds slowly turn yellow, dry and eventually die.
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Product Specifications
Mode of Entry: Systemic
Mode of Action: Halosulfuron Methyl inhibits the ALS (Acetolactate Synthase) enzyme in weeds, which is essential for amino acid formation and weed growth. After absorption through leaves and roots, the herbicide moves throughout the weed plant and gradually stops its growth. The weeds slowly turn yellow, dry and eventually die.
Key Benefits & Benefits of Sempra 75% WG
Selective herbicide that is safe for recommended crops when used properly.
Systemic action helps control underground weed parts for better weed management.
Low-dose herbicide with effective weed control performance.
Reduces weed competition and supports healthy crop growth.
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Method of Application
Apply Sempra 75% WG Herbicide as a foliar spray using a knapsack sprayer, battery sprayer or power sprayer fitted with a flat-fan or flood-jet nozzle. Ensure uniform spray coverage on weeds for better results.
Sugarcane: 20–45 days after sowing
Maize: 15–17 days after sowing when weeds are at 3–6 leaf stage
Bottle Gourd: 11–19 days after sowing when weeds are at 3–4 leaf stage
Spray on young and actively growing weeds.
Avoid spraying during strong winds or before rainfall.
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This information is for reference only. Always follow the recommendations on the product label and leaflet.
| Crop | Target | Dosage / Acre | Water / Acre | Dosage / Litre | Waiting Period |
|---|---|---|---|---|---|
| Sugarcane | Cyperus rotundus | 32–36 g | 150 liters | 0.21 - 0.24 g/L | 294 Days |
| Maize | Cyperus rotundus, Cyperus Iria | 36 g | 150 liters | 0.24 g/L | 45 Days |
| Bottle Gourd | Cyperus rotundus, Cyperus Iria | 36 g | 150 liters | 0.24 g/L | 46 Days |
Safety Precautions
Wear gloves, mask and safety goggles while spraying.
Do not spray on windy days to avoid spray drift.
Do not eat, drink or smoke during spraying.
Wash hands and face thoroughly after spraying.
Keep herbicide out of reach of children and pets.
In case of accidental ingestion, eye contact or inhalation, seek medical attention immediately.
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Storage
Store Sempra 75% WG in a cool, dry place away from direct sunlight, food, feed and water sources. Keep the product in the original sealed container.
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Halosulfuron Methyl 75% WG
Halosulfuron Methyl inhibits the ALS (Acetolactate Synthase) enzyme in weeds, which is essential for amino acid formation and weed growth. After absorption through leaves and roots, the herbicide moves throughout the weed plant and gradually stops its growth. The weeds slowly turn yellow, dry and eventually die.
Sugarcane, Maize, Bottle Gourd
Sugarcane: 32–36 g (0.21 - 0.24 g/L per litre)
Maize: 36 g (0.24 g/L per litre)
Bottle Gourd: 36 g (0.24 g/L per litre)
Apply Sempra 75% WG Herbicide as a foliar spray using a knapsack sprayer, battery sprayer or power sprayer fitted with a flat-fan or flood-jet nozzle. Ensure uniform spray coverage on weeds for better results.
Sugarcane: 20–45 days after sowing
Maize: 15–17 days after sowing when weeds are at 3–6 leaf stage
Bottle Gourd: 11–19 days after sowing when weeds are at 3–4 leaf stage
Spray on young and actively growing weeds.
Avoid spraying during strong winds or before rainfall.
Wear gloves, mask and safety goggles while spraying.
Do not spray on windy days to avoid spray drift.
Do not eat, drink or smoke during spraying.
Wash hands and face thoroughly after spraying.
Keep herbicide out of reach of children and pets.
In case of accidental ingestion, eye contact or inhalation, seek medical attention immediately.
Store Sempra 75% WG in a cool, dry place away from direct sunlight, food, feed and water sources. Keep the product in the original sealed container.
Blue - Moderately toxic
