Monostar Insecticide – Monocrotophos 36% SL - 1 ltr
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SWAL Monostar Insecticide (Monocrotophos 36% SL)
The "Heavy-Hitter" for Tough Sucking Pests and Stem Borers in Cotton & Paddy.
[Image of SWAL Monostar Insecticide bottle]Monostar is a legendary broad-spectrum insecticide known for its powerful systemic action. It penetrates deep into the plant system to control hidden pests like Stem Borers and Leaf Miners that surface sprays cannot reach. While it is highly effective and cost-efficient, it is a Red Label (Extremely Toxic) product that requires strict safety precautions and is currently facing regulatory phase-out.
Best For: Cotton (Bollworms, Sucking Pests) and Paddy (BPH, Stem Borer).
⚠️ IMPORTANT: STRICTLY BANNED ON VEGETABLES.
Why Choose This Product? Key Benefits
- 💉Deep Systemic Action: Absorbed by the roots and leaves, it moves through the plant's vascular system to kill pests hiding inside stems and under leaves.
- ⚡Double Power (Contact + Systemic): Kills insects instantly on contact during spraying and continues to kill pests that suck the plant sap later.
- 💰Highly Cost-Effective: One of the most affordable solutions on the market for controlling complex pest infestations in fiber and cereal crops.
- 🦗Broad Spectrum Control: Effectively targets both sucking pests (like Aphids, BPH) and chewing pests (like Borers, Caterpillars) in one shot.
- 💧Easy to Mix (SL Formulation): The Soluble Liquid formulation dissolves completely in water, ensuring a uniform spray without clogging nozzles.
Technical Specifications
| Parameter | Details |
|---|---|
| Brand Name | Monostar |
| Technical Name | Monocrotophos 36% SL |
| IRAC MoA Code | Group 1B (Organophosphate) |
| Chemical Group | Organophosphorus |
| Formulation | Soluble Liquid (SL) |
| Toxicity Label | 🔴 Red Label (Extremely Toxic) |
How It Works: Mode of Action
Monostar acts on the insect's nervous system to provide rapid control:
[Image of systemic insecticide mechanism in plants]- Nerve Overload: It irreversibly inhibits the enzyme Acetylcholinesterase (AChE). This enzyme is responsible for "resetting" nerve signals.
- Systemic Transport: Once sprayed, the liquid is absorbed by the plant and moves upwards (Acropetal movement). Any pest feeding on the stem or sap ingests the poison.
- Paralysis & Death: The inhibition of AChE causes the insect's nerves to fire uncontrollably, leading to tremors, paralysis, and rapid death.
Because it penetrates the plant tissues, it is rainfast quickly and reaches pests hidden inside stems (like borers).
Target Crops & Pests
[Image of Brown Plant Hopper on paddy]| Crop | Target Pest(s) |
|---|---|
| Cotton | Bollworm Complex, Aphids, Jassids, Thrips |
| Paddy (Rice) | Brown Plant Hopper (BPH), Yellow Stem Borer, Leaf Folder |
| Maize | Shoot Fly, Stem Borer |
| Sugarcane | Mealy Bug, Pyrilla, Scale Insect |
Dosage & Application Guide
The Golden Rule: Always follow the "Dose per Acre". Due to high toxicity, do not exceed recommended limits.
Dosage per Acre, Litre, & Pre-Harvest Interval (PHI)
| Crop | Dose (ml / Acre) | Water (L / Acre) | Dose (ml / Litre) | PHI (Days) |
|---|---|---|---|---|
| Cotton | 450 - 800 ml | 200 L | 2.5 - 4 ml | 30 Days |
| Paddy | 350 - 500 ml | 200 L | 1.75 - 2.5 ml | 30 Days |
| Maize | 250 - 350 ml | 200 L | 1.25 - 1.75 ml | 30 Days |
| Sugarcane | 400 - 500 ml | 400 L | 1 - 1.25 ml | 30 Days |
*PHI = Pre-Harvest Interval: Do not harvest the crop within 30 days of the last spray.
How to Apply: Best Practices
[Image of farmer spraying paddy field with PPE]- Timing: Apply at the vegetative stage or when pest incidence is first noticed. For Maize shoot fly, use whorl application.
- Mixing: Monostar is an SL formulation and mixes easily with water. Ensure the water is not highly alkaline (high pH) as it degrades the chemical.
- Coverage: Ensure thorough coverage. For BPH in Paddy, direct the nozzle towards the base of the plant stem.
- Safety (CRITICAL): This is a Red Label poison. Wear full protective gear (gloves, mask, boots). Avoid skin contact and inhalation. Do not spray against the wind.
Frequently Asked Questions
1. Can I use Monostar on vegetables like Tomato or Brinjal?
NO. The use of Monocrotophos on vegetables is strictly BANNED by the Government of India due to high toxicity and residue risks. Use safer alternatives like Spinetoram.
2. What is the price of a 1-liter bottle?
The market price typically ranges between ₹330 and ₹715 per liter, making it a very economical choice for fiber and cereal crops.
3. Is Monostar being phased out?
Yes. The government has issued orders (2023) to stop the manufacture of Monocrotophos 36% SL due to safety concerns. Farmers are advised to use existing stock on permitted crops only and transition to newer chemistries.
4. Does it kill insect eggs?
While primarily a nerve poison for larvae and adults, it has some ovicidal (egg-killing) action, but it is most effective against active feeding stages.
5. What is the antidote in case of poisoning?
Atropine Sulfate is the specific antidote. In case of accidental ingestion or severe exposure, rush the patient to a hospital immediately. Do not delay.
Safety & Disclaimer
DANGER: Monostar is an extremely toxic substance (Red Label). It is harmful to humans, birds, bees, and aquatic life. Always read the official product label before use. The information provided here is for educational purposes only. The user assumes all responsibility for safe handling and legal compliance with local bans.
