Biological solutions for a sustainable tomorrow
Bio-Insecticide

Siriza™ WP

Broad-Spectrum Pest Control • Residue-Free • IPM Friendly

Siriza™ WP is a bio-insecticide formulated with Beauveria bassiana, targeting thrips and other insect pests while being safe for plants, people, and the environment. Ideal for IPM programs, it offers effective, residue-free pest control for vegetables and ornamentals with weekly applications. Mix 500g in 1000L of water for comprehensive foliar coverage. Perfect for sustainable pest management.

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General Description

Take control of soft-bodied pests with the power of nature. Siriza™ WP by Mara LifeSciences is a broad-spectrum biological insecticide powered by Beauveria bassiana, a naturally occurring fungus that targets soft-bodied insect pests and caterpillars. It works through contact, helping control pests while supporting residue-free crop protection. With UV protectants and flexible foliar and soil application, Siriza™ WP provides reliable protection for vegetables and ornamentals—supporting effective, sustainable pest management.

PRODUCT SPECIFICATIONS

Active Ingredient: Beauveria bassiana — 1 × 10¹⁰ CFU/g

Formulation: Wettable Powder (WP) with UV protectants

Target Pests: Soft-bodied insect pests and caterpillars (Lepidoptera)

Dose Rate: 500 g/ha (0.5 g per litre of water)

Application Method: Foliar spray & soil application

PHI: 0 days

Shelf Life: 12 months at room temperature

Pack Sizes: Available in standard commercial pack sizes

Registration: PCPB (CR) 2644

Key Features

1. Broad-Spectrum Control: One product for a wide range of soft-bodied insect pests and caterpillars.

2. Contact Action: Spores infect pests on contact; no feeding required.

3. Foliar & Soil Use: Targets pests on the crop and the life stages hiding in the soil.

4. Self-Spreading: New spores form on infected insects and move through the pest population.

5. UV Light Resistance: Built-in UV protectants keep spores alive and active after spraying.

Key Benefits

1. One Solution, Many Pests: Simplify your spray programme with a single product that tackles multiple pest problems.

2. Reach Pests Others Miss: Contact action gets to hidden, sap-feeding and soil-dwelling pests that stomach poisons cannot.

3. Protection That Keeps Going: Siriza™ keeps spreading through pest colonies, extending control well beyond the day you spray.

4. Harvest-Friendly: Zero harmful residues, even when used right up to the day of harvest.

5. Stay Ahead of Resistance: A natural fungal mode of action that pests cannot easily overcome, making it perfect for rotation in IPM.

Application Guide

Crop: Vegetables & Ornamentals

Target: Soft-bodied insect pests & Caterpillars

Rate: 500 g/ha (0.5 g/L).

Timing / Interval: Apply at the first signs of pests; in greenhouses, reapply every 15–20 days.

  • Foliar Spray: Mix Siriza™ WP with water, filter through muslin cloth and spray for thorough coverage, including the undersides of leaves.
  • Soil Application: For early prevention, apply around plant roots or through irrigation before or after planting.
  • Greenhouse Use: Reapply every 15–20 days for consistent protection in controlled environments.
  • Compatibility: Do not mix with chemical fungicides or copper-based products.
  • Storage: Store at room temperature in a dry place, away from direct sunlight.
  • Safety: Wear gloves and a dust mask when mixing. Keep out of reach of children and avoid contaminating water sources.

‍Note: Per-litre rates are based on 1,000 L of water per hectare.

Why Siriza™ WP?

Siriza™ WP gives you broad-spectrum, residue-free pest control that works harder the longer it is in your crop. It is the natural choice for healthier plants and cleaner harvests.

Always read and follow the product label before use. Talk to a Mara agronomist: +254 794 658 410 | office@maralifesciences.co.ke

TRUSTED BY FORWARD-THINKING GROWERS

WHY CHOOSE MARA

More than products.
A lasting impact.

We combine scientific innovation with farmer-centric support to create healthier crops, stronger communities and a more sustainable planet.

Find Your Solution
Backed by Science
R&D and field-tested solutions
IPM Compatible
Works with beneficial organisms
Safe for People and the Environment
Non-toxic & residue-free
Farmer Support
Training, advisory and on-ground support
REAL PEOPLE. REAL RESULTS

What Growers Are Saying

“Mara’s biological solutions have helped us maintain healthier crops while reducing our dependence on conventional inputs. We’ve seen more consistent crop performance and better results throughout the growing season.”

Samuel Kiptoo
Rose farming · Naivasha, Kenya

“Since introducing Mara’s biological solutions into our vegetable operation, we’ve noticed stronger, more resilient crops throughout the growing season. The products have helped us reduce our reliance on conventional inputs while maintaining the quality our customers expect.”

Grace Wanjiku
Vegetable Grower · Nakuru, Kenya

“Mara’s team has given us practical solutions that fit the way we farm. We’ve seen healthier plants and more consistent growth, and having access to biological alternatives has made it easier for us to move toward a more sustainable farming operation.”

David Mwangi
Maize Grower · Eldoret, Kenya
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