Product introduction

Pyraclostrobin is a landmark strobilurin fungicide that provides broad-spectrum, long-lasting disease control along with proven plant health benefits.It not only suppresses fungal pathogens effectively but also improves crop vigor and yield potential.However, due to its high resistance risk and toxicity to aquatic life, responsible use and strict rotation with other fungicide classes are essential for sustainable disease management.

Basic Information

Mode of Action

Pyraclostrobin is a mitochondrial respiration inhibitor (QoI fungicide) that acts by targeting the cytochrome b complex in fungal mitochondria.

Target site: Inhibits electron transfer in the cytochrome bc₁ complex.

Blocks energy synthesis: Disrupts ATP generation, depriving fungal cells of the energy required for survival.

Results: Suppresses mycelial growth and spore germination, ultimately leading to pathogen death.

Systemic and translaminar movement: Partially translocated through xylem and leaf tissues, providing protection on both sides of the leaf.

Key Features 

Broad-spectrum activity:
Highly effective against Basidiomycetes, Ascomycetes, Deuteromycetes, and some Oomycetes, making it suitable for a wide range of crop diseases.

Plant health effect:
Pyraclostrobin enhances plant nitrate reductase activity, promotes nitrogen absorption, improves stress tolerance, and helps crops maintain greener leaves, stronger stems, and higher yield potential.

High efficacy, long-lasting control:
Provides outstanding control even at low doses with extended residual activity.

Excellent leaf penetration:
Strong translaminar movement ensures uniform coverage and complete protection across leaf surfaces.

Versatile action:
Functions as a protectant, curative, and eradicant fungicide for multiple disease stages.

Target Diseases

Pyraclostrobin effectively controls a wide range of fungal diseases, including:

Leaf spot diseases: Cercospora leaf spot, Alternaria leaf spot, brown spot

Powdery mildew and rusts

Anthracnose (Colletotrichum spp.)

Downy mildew and late blight

Black spot, early blight, and other foliar pathogens

Recommended Crops

Used extensively across major field crops, vegetables, fruits, and specialty crops, such as:

Field crops: wheat, rice, maize, peanut, soybean

Vegetables: tomato, cucumber, pepper, potato, watermelon

Fruits: grape, citrus, banana, apple, mango

Specialty crops: coffee, tea, turfgrass, ornamental plants

Application Methods 

Application recommendations

• Apply preventively or at early disease onset for optimal protection.

• Use foliar spray as the primary method; can also be adapted for seed treatment in certain crops.

• Always follow label instructions and local regulations for crop-specific dosage.

Safety & Resistance Management

Resistance management:Because Pyraclostrobin is a single-site inhibitor, fungal resistance can develop rapidly.Rotate or tank-mix with fungicides from different FRAC groups (e.g., Triazoles [Group 3], SDHIs [Group 7], or copper-based protectants) to delay resistance.

Environmental precautions:Highly toxic to fish and aquatic organisms. Avoid contamination of water bodies. Do not wash sprayers near rivers or ponds.

Crop safety:Avoid use during sensitive growth stages (e.g., early fruit setting in some fruit trees) and adhere to pre-harvest intervals (PHI) listed on product labels.