Sulfur
Description
Sulfur is a natural fungicide and acaricide that has been used for centuries to control diseases and mites. It's one of the oldest and most widely used pesticides in agriculture. When you apply sulfur to your plants, it works by creating a protective barrier on the leaf surface that prevents fungal spores from germinating and growing. It's particularly effective against powdery mildew, which appears as white powdery spots on leaves. Sulfur also works well against rust diseases and some mites. One of the advantages of sulfur is that it's a natural product, so it's generally considered to be safer for the environment and for beneficial insects compared to many synthetic chemicals. It's also relatively inexpensive and easy to use. However, it's very important to know that sulfur can damage your plants if you apply it when the weather is hot (above 30°C or 86°F) or when the plants are stressed. The heat can cause the sulfur to burn the leaves, causing them to turn yellow or brown. Always apply sulfur in the early morning or evening when it's cooler, and never apply it during the hottest part of the day. Also, you should not apply sulfur within 30 days of applying oil-based products, as this can cause plant damage. You can use sulfur on vegetables, fruits, and ornamental plants. It's particularly useful for controlling powdery mildew in crops like grapes, cucurbits, and many other plants. Always wait the required number of days (usually 0-1 day) after spraying before harvesting your crops, as sulfur has a very short safety period. Always follow the label instructions and wear protective clothing when using this product.
Application rates
General
2-5 kg per hectare
Application method
Target pests
Application timing
Preventive: before disease onset. Curative: at first symptoms. Apply in early morning or evening. Never apply in hot weather (above 30°C).
Safety period
0-1 day before harvest
Precautions
Can burn plants in hot weather. Do not apply when temperature is above 30°C. Do not apply within 30 days of oil-based products. Wear protective equipment. Avoid application during hottest part of day.
Crop compatibility
Benefits
- Natural product - safe for environment
- Highly effective against powdery mildew
- Also effective against rust and mites
- Very short safety period (0-1 day)
- Inexpensive and easy to use
- Safe for beneficial insects
Best for
- Grapes and vineyards
- Cucurbits (cucumbers, melons, squash)
- Vegetable crops (tomatoes, peppers)
- Fruit trees (citrus, apples)
- Ornamental plants
- Crops with powdery mildew problems
Usage tips
- Apply in early morning or evening when it's cooler
- Never apply when temperature is above 30°C
- Effective for both preventive and curative use
- Very short safety period allows harvest flexibility
- Do not apply within 30 days of oil-based products
- Monitor weather conditions before application
Storage instructions
Store in original container in cool, dry, well-ventilated area. Keep container tightly closed. Store away from food, feed, and water sources. Keep away from heat and flames.
Mixing compatibility
Do not mix with oil-based products. Can be mixed with some other fungicides. Check compatibility before tank mixing.