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ADAMA
Original product · In stock
HavonBentazone 480 g/L SL
₹451
₹
% off
MRP inclusive of all taxes
Original ADAMA
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Product details
Havon Herbicide | Bentazone 480 g/L SL
A selective post-emergence herbicide for specified sedges and broadleaf weeds in transplanted rice and
soybean.
Weed-control role: Post-emergence control of specified sedges and broadleaf weeds,
not a blanket grass-control treatment.
When to apply: At the 2–3-leaf stage of the weeds, with thorough coverage on a
sunny day.
Water management: Remove standing rice water before spraying; keep soybean soil
moist. Obtain the rice re-flooding instructions before treatment.
Why Choose This Product? Key Benefits
-
🌱 Treats young emerged weeds: The 2–3-leaf
weed-stage guidance provides a clear point for targeting susceptible young growth.
-
🌿 Sedge and broadleaf options: Addresses two
weed groups in the listed crops, including crop-matched Cyperus and broadleaf species.
-
🌾 Two defined crop uses: Provides a
selective weed-control option in transplanted rice and soybean when their separate directions are followed.
Technical Specifications
| Parameter |
Details |
|---|---|
| Brand |
Havon | ADAMA India |
| Active ingredient |
Bentazone 480 g/L |
| Formulation |
SL: soluble liquid concentrate |
| Product type |
Selective post-emergence herbicide |
| HRAC/WSSA group |
Group 6: photosystem II inhibitors, D1 histidine 215 binders |
| Chemical family |
Benzothiadiazinone |
How It Works: Mode of Action
-
Spray covers exposed weed foliage: Thorough coverage puts the treatment onto young target weeds. Remove standing rice water before
spraying.
-
Photosynthesis is disrupted: Bentazone inhibits photosystem II, interfering with the light-driven process used for normal plant
growth.
-
Susceptible weeds are injured: The disruption leads to impaired growth and death of susceptible weeds. Weed stage, moisture and
coverage remain important.
Selectivity does not mean the crop is immune to incorrect use, and this treatment does not establish control of
every grass or later weed flush. Follow the crop directions and a suitable resistance-management plan; changing brands alone may not
change the mode of action.
Crop & Sedge/Broadleaf Weed Matches
| Crop |
Selected target weeds |
|---|---|
| Rice, transplanted |
Cyperus rotundus; Cyperus difformis; Ludwigia species |
| Soybean |
Cyperus rotundus; Commelina benghalensis |
The application rows below cover these selected crop–weed matches. Use only weeds and crops included on the
supplied Havon label. Do not extend the rice row to direct-seeded rice or assume this is a general grass-control
programme.
Dosage & Application Guide
Young-weed spray programme with crop-specific water management
| Crop & selected weeds |
Product amount |
Dilution water |
Method & first timing |
PHI |
|---|---|---|---|---|
| Rice, transplanted: Cyperus rotundus, C. difformis; Ludwigia species |
2000 ml/ha; approximately 809 ml/acre |
500 L/ha; approximately 202.34 L/acre |
Method: Thorough spray coverage of weeds on a sunny day. Remove standing water first; obtain the label’s re-flooding
instructions before treatment. First timing: When target weeds have 2–3 leaves; avoid dry, moisture-stressed conditions. |
71 days |
| Soybean: Cyperus rotundus; Commelina benghalensis |
2000 ml/ha; approximately 809 ml/acre |
500 L/ha; approximately 202.34 L/acre |
Method: Thorough spray coverage of weeds on a sunny day. Keep the soil moist before spraying. First timing: When target weeds have 2–3 leaves; avoid dry weather and poor soil moisture. |
62 days |
Amounts are for commercial Havon and the measured field area. Retain the hectare figures as the reference; acre
figures are approximate. An 800 ml pack is not the exact acre equivalent of 2000 ml/ha. Do not derive a universal per-litre or pump
recipe. Rice re-flooding remains a separate instruction to obtain before application; do not assume spray drying permits water to be
restored. A pre-harvest interval is the minimum time from the final treatment to harvest. A missing interval is not a zero-day
interval. Harvest restrictions, worker re-entry periods and repeat-treatment intervals are separate requirements.
How to Apply: Best Practices
-
Check the weed stage and crop: Identify the listed weed and count its leaves. The 2–3-leaf stage refers to the weed, not the crop
or a fixed number of days after sowing.
-
Check weather and moisture: Use a sunny-day application with suitable soil moisture. Do not spray in dry weather or poor
soil-moisture conditions.
-
Manage rice and soybean water separately: Remove standing water before treating transplanted rice, and obtain the permitted
re-flooding interval. Keep soybean soil moist before spraying.
-
Prepare the stock solution separately: Prepare the Havon stock solution separately and add that solution directly to the tank as
directed. Follow the supplied label for the preparation quantities, order and equipment; do not invent a concentrated stock recipe.
-
Cover the weeds thoroughly: Use the label-directed equipment to give thorough weed coverage. Prevent drift and runoff, and do not
add a partner based on a general compatibility claim.
-
Measure, record and observe restrictions: Measure the treated area and product accurately. Record the crop, area and date, and keep
harvest, re-entry and repeat-use restrictions separate.
Frequently Asked Questions
1. Is an 800 ml bottle exactly the one-acre rate?
No. The reference amount is 2000 ml/ha, approximately 809 ml/acre. Measure the area and the product rather
than treating the pack size as an exact conversion.
2. What does the 2–3-leaf instruction refer to?
The target weeds. It is not a fixed number of days after sowing and does not replace the permitted
crop-stage directions.
3. Can I spray while rice is flooded, then restore water as soon as the spray dries?
Remove standing water before spraying. Obtain the supplied label’s re-flooding instructions before
treatment; spray drying alone does not establish when water may safely be restored.
4. Does Havon control every grass or work in every rice system?
No. These directions concern the listed sedge and broadleaf weeds in transplanted rice and soybean. Do not
extend them to every grass or direct-seeded rice.
5. Can I mix Havon with any post-emergence herbicide?
Only when both current labels permit the exact products, crop and application method. Do not assume that a
fertilizer, adjuvant or another pesticide can be added simply because it can be physically mixed.
Safety & Disclaimer
Before you use it: Read the supplied Indian label and leaflet before opening the pack, and use the
product only for its listed crop and target. Wear the specified protective clothing and equipment. Avoid skin and eye contact,
inhalation and drift. Keep other people, children and animals away during handling and application. Do not eat, drink or smoke
while handling the product; wash thoroughly after work.
Keep the product in its original labelled container, away from children, food, animal feed and drinking
water. Keep pesticide, drift, leftovers, runoff and equipment washings away from water sources and non-target areas. Follow the
pack’s precautions for pollinators, livestock and other non-target organisms. Never reuse empty pesticide containers; follow the
pack and local approved disposal requirements.
If exposure or suspected poisoning occurs, stop work and seek medical help promptly with the product label.
Do not self-administer antidotes, use home remedies or improvise treatment. This description does not replace the supplied label
or professional medical advice.
Delivery & returns
Usually delivered in 2–5 days after dispatch.
Return or exchange within 7 days of delivery. Packs must be unopened with seals intact, and return pickup is free. Read the refund policy
Safety tips
Read the label and leaflet before use. Wear gloves, a mask and full sleeves while spraying. Do not eat, drink or smoke while spraying. Keep away from children, food and animal feed.
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