Prime Source PPZ 41.8 Select

Active Ingredient: Propiconazole 41.8%

Prime Source PPZ 41.8 Select is a broad-spectrum systemic fungicide that provides preventative and curative control of various turfgrass and ornamental diseases. It effectively inhibits fungal growth by disrupting ergosterol biosynthesis, essential for fungal cell membrane development. This makes it an excellent choice for golf courses, residential and commercial lawns, sod farms, nurseries, and landscape ornamentals.

Key Benefits:

• Broad-Spectrum Disease Control – Effectively controls a wide range of fungal diseases in turf and ornamentals.

• Systemic Action – Moves within the plant to protect new growth and provide extended residual disease control.

• Curative & Preventative – Works both as a treatment for active infections and a preventative against new outbreaks.

• Flexible Application – Can be used in rotation or tank-mixed with other fungicides for resistance management.

• Long-Lasting Protection – Provides up to 21-28 days of control depending on the disease and environmental conditions.

Diseases Controlled

Turfgrass Diseases:

• Dollar Spot (Clarireedia spp.)

• Brown Patch (Rhizoctonia solani)

• Anthracnose (Colletotrichum cereale)

• Rust (Puccinia spp.)

• Gray Leaf Spot (Pyricularia grisea)

• Leaf Spot & Melting Out (Bipolaris spp., Drechslera spp.)

• Necrotic Ring Spot (Ophiosphaerella korrae)

• Powdery Mildew (Erysiphe graminis)

• Summer Patch (Magnaporthe poae)

• Take-All Patch (Gaeumannomyces graminis)

• Red Thread (Laetisaria fuciformis)

Ornamental Diseases:

• Black Spot (Diplocarpon rosae)

• Powdery Mildew (Erysiphales)

• Rusts (Puccinia spp.)

• Scab (Venturia spp.)

• Leaf Blights (Various pathogens)

Application Rates

• Turfgrass: 0.37 - 1.45 fl. oz. per 1,000 sq. ft.Curative Applications: Apply higher rates for existing infections. Preventative Applications: Apply at lower rates every 14-28 days.
  

• Ornamentals: 0.75 - 3.0 fl. oz. per 100 gallons of waterApply as a foliar spray to ensure thorough coverage.
  

Always refer to the product label for specific rates based on the disease and plant type.

Restrictions & Safety Guidelines

• Do not apply more than 5.8 fl. oz. per 1,000 sq. ft. per year on turf.

• Do not apply within 14 days of a previous application.

• Do not graze treated areas or feed clippings to livestock.

• Avoid drift to non-target plants and water sources.

• Wear PPE including gloves, protective eyewear, and long-sleeved clothing when handling or applying.

• Keep out of reach of children and follow all label instructions carefully.

Use in Turf & Ornamentals

Prime Source PPZ 41.8 Select is an ideal fungicide for golf courses, residential lawns, commercial landscapes, athletic fields, and nurseries. It integrates well into Integrated Pest Management (IPM) programs, helping maintain plant health and aesthetic quality.

For best results, rotate with fungicides with different modes of action to reduce the risk of resistance development.

It is a violation of Federal law to use this product in a manner inconsistent with its labeling.  Always consult the product label for complete application instructions and safety guidelines.  For the most accurate label information please refer to the manufacturer website.