Potatoes
Target diseases: Late blight (Phytophthora infestans), Early blight (Alternaria solani)
Dosage: 2 kg/ha
Remarks:
1. Apply as a preventative treatment every 10–14 days, as part of a disease management strategy.
2. Start application early, before any symptoms appear or when weather conditions that are conducive to infection are predicted.
3. When conditions favour development of late blight, reduce application intervals to 7–10 days. Apply as a high-volume application in at least 500 L water/ha, depending on plant size.
4. Apply at least 3 times during the season.
Tomatoes
Target diseases: Late blight (Phytophthora infestans), Botrytis rot (Botrytis cinerea)
Dosage: 1 kg/ha
Remarks:
1. Apply as a preventative treatment every 10–14 days.
2. Start application at the beginning of flowering, before any symptoms appear.
3. Spray at least 4 times during the season.
4. When conditions favour development of late blight, reduce application intervals to 7–10 days. Apply as a high-volume application in 500 to 1 500 L water/ha, depending on plant size or whether plants are trellised or not. Ensure adequate coverage of the plants.
5. When botrytis rot threatens, apply at 7-day intervals.