Shool by CRYSTAL (Azoxystrobin 23% SC)
Fungicide · Detailed usage and dosage information for different crops
Slightly toxic — green label triangle (Caution)

Shool dosage by crop
Pre-harvest interval (PHI): 3–28 days depending on crop. Do not harvest before the waiting period is complete.
| Crop | Pest / disease | Method | a.i. per ha | Formulation per ha | Water (L/ha) | Waiting period (days) |
|---|---|---|---|---|---|---|
| Chillies | Fruit Rot · Disease | Spray | 125 gm | 500 ml | 500 - 750 | 5 |
| Chillies | Powdery Mildew · Disease | Spray | 125 gm | 500 ml | 500 - 750 | 5 |
| Cucumber | Downy mildew · Disease | Spray | 125 gm | 500 | 500 | 5 |
| Cucumber | Powdery Mildew · Disease | Spray | 125 gm | 500 | 500 | 5 |
| Cumin | Blight · Disease | Spray | 115 gm | 500 | 500 | 28 |
| Cumin | Powdery Mildew · Disease | Spray | 115 gm | 500 | 500 | 28 |
| Grapes | Downy Mildew · Disease | Spray | 125 gm | 500 ml | 500 - 750 | 7 |
| Grapes | Powdery Mildew · Disease | Spray | 125 gm | 500 ml | 500 - 750 | 7 |
| Mango | Fruit Rot · Disease | Spray | 0.03% | 0.10% | 100 ml/ 100 lit of water depending on the size of the tree canopy | 5 |
| Mango | Powdery Mildew · Disease | Spray | 0.03% | 0.10% | 100 ml/ 100 lit of water depending on the size of the tree canopy | 5 |
| Potato | Late Blight · Disease | Spray | 125 gm | 500 ml | 500 | 12 |
| Tomato | Early Blight · Disease | Spray | 125 gm | 500 ml | 500 | 3 |
Read the label. Doses above are the registered label claims (Central Insecticides Board & Registration Committee) for information only. Always follow the product label and your local agriculture officer's advice, wear protective equipment, and observe the waiting period before harvest. Found an error? Report it. See our terms of use.
Product Label & Registration
Shool by CRYSTAL is registered under India's Insecticides Act 1968. The product label specifies the exact active ingredient concentration (Azoxystrobin 23% SC), approved crops, application method, safety precautions, and the pre-harvest waiting period.
Always purchase from a licensed dealer and verify the registration on the official CIB&RC database before use.
Other Azoxystrobin 23% SC brand products in India
All products below contain Azoxystrobin 23% SC as the active ingredient and carry CIB&RC registered label claims.
- ★ This product
ShoolCRYSTAL
AmistarSYNGENTA
GodiwaDHANUKA
MiradorADAMA
NoyakuIFFCO
ParizoxPARIJAT
ScanGharda
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Source: Central Insecticides Board & Registration Committee (CIB&RC), India - official registered label data · View source →. Updated: updated annually or when label claims change · Report an error
Frequently Asked Questions
What crops is Shool registered for?
Shool (Azoxystrobin 23% SC) is registered for use in Chillies, Cucumber, Cumin, Grapes, Mango, Potato, Tomato as per CIB&RC label claims.
What is the dosage of Shool?
Dosage of Shool varies by crop and pest. Always follow the CIB&RC registered label dose for each crop.
Is Shool safe to use near water bodies?
Always follow the Shool label instructions regarding buffer zones near water bodies, drainage channels, or ponds. Do not spray during windy conditions or when rain is forecast within 4 hours. Dispose of empty containers as directed on the label — never near water sources.
Where can I buy Shool by CRYSTAL in India?
Shool is available from licensed pesticide dealers across India. Use the NaPanta app to find verified dealers near you who stock CRYSTAL products. Always purchase pesticides from licensed dealers and insist on a bill to ensure authenticity.
What precautions should I take when using Shool?
Wear personal protective equipment (PPE) — gloves, mask, eye protection, and full-sleeved clothing — when mixing and applying Shool. Do not eat, drink, or smoke during application. Wash thoroughly after use. Keep children and animals away from the treated area until the spray dries. Observe the pre-harvest waiting period listed on the label.