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| Brand: | ADAMA India Private Limited |
| Product Code: | 10893 |
| Country of Origin: | India |
| Category: | Crop Protection |
| Sub Category: | Herbicides |
Adama Hastar is a broad-spectrum and post-emergent herbicide that is effective against various weed types. It offers a systemic mode of action that works as an inhibitor, disrupting plant pigment synthesis, which causes weeds to bleach white and die within 7 to 14 days. This herbicide is safe to use while having a strong formula that offers quick action and resistance management, making it a great choice for farmers looking for cost-effective weed killers.
Broad Spectrum: Adama Hastar herbicide is effective against grasses, broadleaf weeds, and partial sedges, making it very versatile.
Unique Mode of Application: The Hastar herbicide has a unique mode of action that is most effective against weeds affecting maize.
Quick Action: This herbicide offers quick weed relief with visible signs and symptoms on target weeds within 3–5 days of application.
Complete Coverage: Adama Hastar moves systemically throughout the weed, ensuring effective weed removal.
Safe to Use: The Hastar herbicide only works against weeds without harming crops, making it safe to use.
Adama Hastar Uses cover both grassy and broadleaf weeds, plus partial sedge control, in Maize:
Grassy Weeds: Echinochloa spp. (Barnyard/Makra Grass), Brachiaria spp., Setaria spp. (Foxtail), Digitaria spp. (Crabgrass)
Broadleaf Weeds: Trianthema portulacastrum (Horse Purslane/Vishanika), Amaranthus viridis (Chaulai/Pigweed), Chenopodium album (Bathua), Euphorbia hirta, Parthenium hysterophorus (Congress Grass), Lehsua
Partial Sedge Control: Cyperus rotundus (Nutsedge/Motha)
Resistance Breaker: Controls atrazine-resistant weed populations
Registered Crop: Maize (Corn)
The Adama Hastar Dose Per Litre is approximately 0.6 ml per litre of water — equivalent to 115 ml per acre in 200 litres of water and 8–9 ml per 15L pump. Must be mixed with a non-ionic surfactant (0.5% v/v) for best weed absorption and control.
Crop | Target Weeds | Dose Per Acre | Per 15L Pump | Water Volume | Timing | PHI |
|---|---|---|---|---|---|---|
Maize | Grasses, Broadleaf Weeds, Partial Sedges | 115 ml | 8–9 ml | 200 litres | 2–5 leaf weed stage / 15–25 DAS | 55 days |
Surfactant is mandatory: Always add a non-ionic surfactant at 0.5% v/v (0.5 ml per litre) when using Adama Hastar — the surfactant significantly improves leaf wetting and Tembotrione absorption, giving 20–30% better weed control per spray.
Measure 115 ml of Adama Hastar per acre — equivalent to 8–9 ml per 15L pump.
Fill the sprayer tank halfway with clean water, add the measured Hastar herbicide, then add the non-ionic surfactant at 0.5 ml per litre.
Fill the tank with the remaining clean water — use 200 litres per acre — and agitate thoroughly to form a uniform spray solution.
Apply as a uniform broadcast spray across the entire Maize field using a flat fan or flood jet nozzle — ensure complete and even weed leaf coverage for maximum HPPD inhibition and bleaching action.
Apply when weeds are actively growing at the 2–5 leaf stage, between 15 and 25 days after sowing, is the optimum window for Adama Hastar.
Do not apply to Maize beyond the 6-leaf stage — late application when the Maize crop is large can cause crop injury.
Do not apply the Hastar herbicide to drought-stressed, waterlogged, or pest-damaged maize. The stressed crop is more susceptible to injury.
Rinse all sprayer equipment thoroughly with clean water after every use.
Apply Adama Hastar in the early morning or late evening on a calm day. The 2–5 weed leaf stage window — 15–25 days after Maize sowing — is the critical application period. Do not delay beyond the 6-leaf Maize stage.
Frequency of Application: One well-timed post-emergence application at the 2–5 weed leaf stage is generally sufficient for season-long weed management in Maize. The extended residual effect of the Hastar herbicide suppresses later-germinating weed flushes after the initial spray.
Re-Entry Period: Do not enter treated fields for at least 12 hours after application. Allow the spray to dry and settle before re-entry.
Tank-Mix Compatibility: Adama Hastar is compatible with most insecticides. Do not tank-mix with organophosphate insecticides (Chlorpyrifos, Profenofos) as this combination can cause Maize crop injury. Always perform a jar test before mixing with unfamiliar products.
Use the Hastar herbicide only on Maize — it will severely damage Paddy, Wheat, Soybean, Vegetables, and other sensitive crops. Prevent spray drift onto adjacent fields.
Always use with a non-ionic surfactant — do not apply Adama Hastar without surfactant, as this significantly reduces weed control efficacy.
Do not spray stressed Maize — drought, waterlogging, or pest-damaged crop is more vulnerable to injury from Tembotrione.
Wear gloves, goggles, and a face mask before handling or spraying Adama Hastar.
Do not eat, drink, or smoke during mixing or application.
Avoid direct contact with skin and eyes — rinse immediately with clean water for 15 minutes if contact occurs.
Do not allow the Hastar herbicide spray drift onto Paddy, Wheat, Soybean, Vegetables, or any adjacent non-maize crops.
Keep children, pets, and livestock away from treated fields for at least 12 hours.
Wash all exposed skin thoroughly with soap and water after every spray session.
Triple rinse empty containers, puncture, and dispose of per local waste guidelines.
Store Adama Hastar in its original sealed container in a cool, dry place away from direct sunlight.
Keep away from food, animal feed, and seeds.
Store out of reach of children and farm animals.
Storage Temperature: Below 35°C.
Shelf Life: As indicated on the product label.
Specification | Details |
|---|---|
Product Name | Adama Hastar herbicide |
Brand | ADAMA India Private Limited |
Adama Hastar Technical Name | Tembotrione 34.4% SC (Suspension Concentrate) |
Chemical Class | Triketone |
HRAC Group | 27 — HPPD Inhibitor (4-hydroxyphenylpyruvate dioxygenase inhibitor) |
Mode of Action | Selective Systemic Post-Emergence — HPPD inhibition → blocks carotenoid synthesis → chlorophyll breakdown → weed bleaching → complete weed death in 10–14 days |
Selectivity | Selective — safe for all Maize hybrids at the recommended dose and timing |
Rain-Fast Period | 4 hours after application |
Application Method | Flat Fan / Flood Jet Nozzle Broadcast Spray |
Surfactant Requirement | Mandatory — non-ionic surfactant at 0.5% v/v |
Dose | 115 ml per acre (0.6 ml per litre of water) |
Pack Sizes Available | 115 ml, 230 ml |
Country of Origin | India |
Shelf Life | As indicated on the product label |
Pre-Harvest Interval (PHI) | 55 days |
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