Nufarm Tri-Base Blue Fungicide is a high-performance copper fungicide offering multi-site protection against a broad range of fungal and bacterial diseases. Containing tribasic copper sulphate, it provides effective, long-lasting coverage on fruits, vegetables, and tree nuts. Its ultra-fine particle formulation enhances leaf adhesion and reduces wash-off, ensuring dependable control of diseases like downy mildew, bacterial blight, and anthracnose. Ideal for preventative use across a range of crops and growing conditions.
Supplied in two sixes, Tri-Base Blue is easy to handle and blends smoothly into spray tanks. Its fine formulation reduces nozzle blockages, making it compatible with standard spraying equipment. Suitable for use in orchard, vineyard, and vegetable crop programs, this fungicide is a practical solution for growers looking to protect yield and fruit quality. With proven reliability, it supports effective seasonal disease management.
Nufarm Tri-Base Blue Fungicide Features
Multi-Site Disease Protection
Offers broad-spectrum control of fungal and bacterial diseases by inhibiting multiple target sites, helping reduce resistance development across treated crops.
Tribasic Copper Sulphate Formula
Delivers strong protective activity through copper ions, ensuring durable coverage on foliage and high efficacy against disease outbreaks.
Ultra-Fine Particle Size
Fine particles provide excellent leaf adhesion and even distribution, enhancing spray coverage and minimising product loss due to weather or run-off.
Broad Crop Suitability
Registered for use across fruit, nut, and vegetable crops including grapes, citrus, almonds, tomatoes, and cucurbits for flexible farm integration.
Tank Mix Compatibility
Low risk of nozzle blockages and good tank compatibility with a wide range of other crop protection products, supporting efficient spray programs.
- Formulation: Suspension Concentrate (SC)
- Active ingredient: 190 g/L Copper (as tribasic copper sulphate)
- Pack size: 1L, 5L, 10L, 20L
- Crop suitability: Grapes, citrus, almonds, vegetables, tree crops
- Mode of action: Multi-site activity – Group M1 fungicide
- Application timing: Preventative
- Target diseases: Downy mildew, bacterial blight, anthracnose, leaf spots, fruit rots
- Particle size: Ultra-fine formulation
- Compatibility: Good tank mix compatibility and low risk of nozzle blockage
Tri-Base Blue is suitable for grapes, citrus, almonds, tomatoes, potatoes, cucurbits, and various vegetables and tree crops. Always consult the label for specifics.
What diseases does Tri-Base Blue control?It controls a wide range of fungal and bacterial diseases including downy mildew, bacterial blight, anthracnose, and various leaf spots and rots.
Is Tri-Base Blue a preventative or curative fungicide?It is a preventative fungicide designed to protect plant surfaces from infection. Apply before disease symptoms appear for best results.
Can Tri-Base Blue be tank mixed with other products?Yes, it is compatible with many crop protection products. Always perform a jar test or follow label instructions before mixing with other chemicals.
Does Tri-Base Blue wash off easily?No, its ultra-fine particle formulation enhances leaf adhesion and rainfastness, ensuring consistent disease protection after application.
- Expert Knowledge & Advice
- Order for Pickup
- Delivery Options Available

Buying In Bulk?
Save big with bulk discounts! we help farmers of all sizes.
Nufarm Tri-Base Blue Fungicide is a high-performance copper fungicide offering multi-site protection against a broad range of fungal and bacterial diseases. Containing tribasic copper sulphate, it provides effective, long-lasting coverage on fruits, vegetables, and tree nuts. Its ultra-fine particle formulation enhances leaf adhesion and reduces wash-off, ensuring dependable control of diseases like downy mildew, bacterial blight, and anthracnose. Ideal for preventative use across a range of crops and growing conditions.
Supplied in two sixes, Tri-Base Blue is easy to handle and blends smoothly into spray tanks. Its fine formulation reduces nozzle blockages, making it compatible with standard spraying equipment. Suitable for use in orchard, vineyard, and vegetable crop programs, this fungicide is a practical solution for growers looking to protect yield and fruit quality. With proven reliability, it supports effective seasonal disease management.
Nufarm Tri-Base Blue Fungicide Features
Multi-Site Disease Protection
Offers broad-spectrum control of fungal and bacterial diseases by inhibiting multiple target sites, helping reduce resistance development across treated crops.
Tribasic Copper Sulphate Formula
Delivers strong protective activity through copper ions, ensuring durable coverage on foliage and high efficacy against disease outbreaks.
Ultra-Fine Particle Size
Fine particles provide excellent leaf adhesion and even distribution, enhancing spray coverage and minimising product loss due to weather or run-off.
Broad Crop Suitability
Registered for use across fruit, nut, and vegetable crops including grapes, citrus, almonds, tomatoes, and cucurbits for flexible farm integration.
Tank Mix Compatibility
Low risk of nozzle blockages and good tank compatibility with a wide range of other crop protection products, supporting efficient spray programs.
- Formulation: Suspension Concentrate (SC)
- Active ingredient: 190 g/L Copper (as tribasic copper sulphate)
- Pack size: 1L, 5L, 10L, 20L
- Crop suitability: Grapes, citrus, almonds, vegetables, tree crops
- Mode of action: Multi-site activity – Group M1 fungicide
- Application timing: Preventative
- Target diseases: Downy mildew, bacterial blight, anthracnose, leaf spots, fruit rots
- Particle size: Ultra-fine formulation
- Compatibility: Good tank mix compatibility and low risk of nozzle blockage
Tri-Base Blue is suitable for grapes, citrus, almonds, tomatoes, potatoes, cucurbits, and various vegetables and tree crops. Always consult the label for specifics.
What diseases does Tri-Base Blue control?It controls a wide range of fungal and bacterial diseases including downy mildew, bacterial blight, anthracnose, and various leaf spots and rots.
Is Tri-Base Blue a preventative or curative fungicide?It is a preventative fungicide designed to protect plant surfaces from infection. Apply before disease symptoms appear for best results.
Can Tri-Base Blue be tank mixed with other products?Yes, it is compatible with many crop protection products. Always perform a jar test or follow label instructions before mixing with other chemicals.
Does Tri-Base Blue wash off easily?No, its ultra-fine particle formulation enhances leaf adhesion and rainfastness, ensuring consistent disease protection after application.
