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MagisterFenazaquin 10% EC
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Product details
Magister Miticide | Fenazaquin 10% EC
A contact and ingestion-active miticide for crop-specific mite problems in tea, apple and vegetables.
What it controls: The crop-matched mites listed below.
When to use it: When crop monitoring and the supplied pack support treatment.
What to include: Accurate mite identification, good coverage and the correct harvest interval.
Why Choose This Product? Key Benefits
- 🎯Targeted mite control: Controls the specified mite species, helping reduce the feeding pressure they place on the crop.
- 🥚Egg-hatch suppression in tea: Ovicidal activity helps prevent susceptible tea-mite eggs from hatching, tackling the next generation as well as active infestations.
- ⏱️Residual mite suppression: Residual activity supports control after treatment. The actual duration depends on field conditions and the approved programme.
- 🍃Two routes of exposure: Mites can encounter the active through contact and feeding, helping treatment reach susceptible pests on covered foliage.
- 🌱Tea, orchard and vegetable uses: Crop-specific programmes cover six crops, allowing targeted mite management without treating every crop or mite alike.
Technical Specifications
| Parameter | Details |
|---|---|
| Brand Name | Magister — Corteva Agriscience. |
| Technical Name | Fenazaquin 10% w/w. |
| IRAC MoA Code | Group 21A — mitochondrial complex I electron transport inhibitor. |
| Chemical Group | Quinazoline acaricide/miticide. |
| Formulation | EC — emulsifiable concentrate. |
| Toxicity Label | Harmful if swallowed; may irritate skin. Very toxic to aquatic organisms. |
How It Works: Mode of Action
Fenazaquin interrupts energy production in susceptible mites. Contact and ingestion exposure deliver the active to its mitochondrial target.
- Mites encounter the treatment: The foliar deposit exposes mites by contact or ingestion; cover the parts of the canopy where mites occur.
- Mitochondrial energy transfer is blocked: Group 21A inhibits complex I electron transport, disrupting the energy-producing machinery of mite cells.
- Normal mite activity is impaired: Energy shortage prevents normal function and controls susceptible mites. Tea use also includes ovicidal activity.
Include IRAC 21A in resistance planning. Rotate with effective approved products from other groups and combine treatment with scouting and suitable non-chemical measures.
Target Crops & Pests
| Crop | Target Pest(s) |
|---|---|
| Tea |
|
| Chilli |
|
| Apple |
|
| Okra |
|
| Brinjal |
|
| Tomato |
|
The higher tea dose belongs to scarlet mite. Do not apply the same mite list automatically to every crop.
Dosage & Application Guide
The table gives formulation-level Indian registration guidance for fenazaquin 10% w/w EC, not a substitute for the current Magister Miticide pack. Use it only where the supplied label carries the matching crop programme.
Dosage per Acre, Litre, & Pre-Harvest Interval (PHI)
| Crop | Dose (ml / Acre) | Water (L / Acre) | Dose (ml / Litre) | PHI (Days) |
|---|---|---|---|---|
| Tea: mite group* | ≈404.7 ml 1000 ml/ha |
≈161.9–242.8 L 400–600 L/ha |
See note* | 7 days |
| Tea: scarlet mite | ≈505.9 ml 1250 ml/ha |
≈161.9–242.8 L 400–600 L/ha |
See note* | 7 days |
| Chilli | ≈505.9 ml 1250 ml/ha |
≈202.3 L 500 L/ha |
See note* | 10 days |
| Apple | ≈161.9 ml 400 ml/ha |
≈404.7 L 1000 L/ha |
See note* | 30 days |
| Okra | ≈505.9 ml 1250 ml/ha |
≈202.3 L 500 L/ha |
See note* | 7 days |
| Brinjal | ≈505.9 ml 1250 ml/ha |
≈202.3 L 500 L/ha |
See note* | 7 days |
| Tomato | ≈505.9 ml 1250 ml/ha |
≈202.3 L 500 L/ha |
See note* | 7 days |
Apply as a foliar spray. The product amount, water and harvest interval must all match the crop and target mite.
*Tea mite group means red spider mite, pink mite and purple mite. Scarlet mite has its own higher-dose row.
*No single per-litre rate applies across these uses. Measure the product by area and use the paired water volume instead of a universal pump dose.
For chilli, the 500 L/ha spray-water figure follows the manufacturer’s crop guidance and lies within the registered 400–600 L/ha range. Use the supplied pack’s complete directions.
How to Apply: Best Practices
- Identify the mite: Use scouting and the crop-specific target list, especially the separate scarlet-mite programme in tea.
- Make an even foliar spray: Use a calibrated sprayer and the matching water volume to reach mite-infested foliage without unnecessary runoff or drift.
- Follow crop timing: Use the supplied pack for the starting stage, repeat interval and maximum applications. Do not rely on a fixed calendar.
- Do not presume compatibility: Tank mixes, adjuvants and other additions require specific supplied-pack guidance; a physical jar test is not proof of crop safety.
- Allow the harvest interval: Wait 7 days for tea, okra, brinjal and tomato; 10 days for chilli; 30 days for apple after the last spray.
Frequently Asked Questions
Is Magister mainly a mite-control product?Yes. Fenazaquin 10% EC is an acaricide/miticide. Use it for the specified crop–mite pairs rather than assuming general insect control.
Why are there two tea rates?Red spider, pink and purple mites use 1000 ml/ha; scarlet mite uses 1250 ml/ha. Both use 400–600 L water/ha with a 7-day harvest interval. These are formulation-reference directions; the current supplied pack governs use.
Does it control mite eggs?Corteva describes ovicidal activity in tea, which helps suppress egg hatch. This does not establish identical egg control for every mite on every crop.
Can I harvest apple as soon as tea?No. Apple has a 30-day interval, while tea has 7 days. Chilli has 10 days and okra, brinjal and tomato have 7 days. These are formulation-reference directions; the current supplied pack governs use.
Can I replace another fenazaquin formulation at the same dose?No. This guide is for 10% EC. Different strengths or formulations need their own label directions.
Safety & Disclaimer
Wear protective clothing, chemical-resistant gloves and eye protection. Avoid skin or eye contact and inhalation of spray mist.
Do not eat, drink or smoke during handling or spraying. Wash exposed skin and contaminated clothing after use.
Keep tightly closed in the original container in a cool, dry, ventilated place away from food, feed and children.
Keep away from heat and ignition sources. Prevent contamination of water bodies; the product is very toxic to aquatic organisms.
Do not reuse the container. If poisoning is suspected, obtain urgent medical advice and take the product label; do not attempt home treatment.
Read and follow the supplied label and leaflet, including crop, dose, waiting period and environmental precautions.
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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