- Pirastak 45% SC is a systemic, preventative, and curative fungicide in the form of a suspension concentrate. It contains a complete blend of two active ingredients, dimethomorph and pyraclostrobin, giving it high efficacy in controlling downy mildew and late blight. The fungicide works by inhibiting fungal growth and development within plant tissues, while providing strong protection for foliage and new growth. It is characterized by its good stability and rapid absorption, making it an effective choice within integrated pest management programs.
Product features:
- A dual formula that combines a systemic effect with a strong protective effect.
- Effective against downy mildew and late blight in multiple crops.
- It helps to stop the development of the disease and reduce its spread within the field.
- It protects leaves and new growth for a longer period.
- Suitable for preventive and therapeutic use in the early stages.
- It supports integrated pest management programs and reduces the chances of resistance emerging.
Technical specifications:
- Trade name: PYRASTAK
- Product type: Fungicide
- Formula type: Suspension concentrate (SC)
- Active ingredients:
- Dimethomorph 30% w/v
- Pyraclostrobin 15% w/v
- Effect Group (FRAC): 40 + 11
- Mechanism of action: Systemic – preventative and therapeutic
- Manufacturer: AstraChem
- Distributor: ALTAKAMUL
- Country of origin: China
- Package size: 1 liter
Usage method (depending on the crop):
- potato:
- Late blight | 50 ml per 100 liters of water | Withholding period: 21 days
- Tomatoes:
- Late blight | 50 ml per 100 liters of water | Withholding period: 21 days
- Grapes:
- Downy mildew | 50 ml per 100 liters of water | Withholding period: 10 days
- Option:
- Downy mildew | 50 ml per 100 liters of water | Withholding period: 28 days
Preparation and spraying method:
- Shake the container well before use. Then, add the recommended amount to a partially filled spray tank, stirring continuously. Top up with the remaining water while continuing to stir to ensure the solution is homogeneous. Spray the foliage thoroughly, preferably in the early morning or before sunset, avoiding spraying during periods of high temperatures.
Prohibition period:
- The prohibition period varies according to the crop as explained above, and the safety period before harvest must be strictly adhered to according to the instructions of the approved label and the competent authorities.
Important advice for farmers:
- For best results, it is recommended to use Pyrastak preventively before or at the onset of infection, and to avoid using it alone in successive sprays. Alternating fungicides from different groups is preferable to reduce the risk of resistance development and maintain the fungicide's effectiveness.