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PSA

PSA

Bioprotection

PSA, our triple-action plant strengthener :

  • Stimulates the plant’s natural defense mechanisms

  • Strengthens plant tissues against stress and fungal pressure

  • Supports crop vitality and physiological balance

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PSA in detail

PSA is a Low-Concern Natural Preparation (PNPP) containing natural substances for biostimulant use, based on horsetail (Equisetum arvense), willow bark (Salix sp.), and yarrow (Achillea millefolium).

It contains a horsetail decoction (Equisetum arvense L.), a willow/osier bark infusion (Salix spp.), and a yarrow maceration (Achillea millefolium).
Infusion, decoction, and maceration are prepared using rainwater.

PSA strengthens plant physiology:

  • Horsetail reinforces the plant epidermis.

  • Willow sends an alert signal to the plant, preparing it for potential fungal attacks.

  • Yarrow provides essential elements to enhance the plant’s natural defense mechanisms.

  • Viticulture:
    7 L / 120 L of water per hectare

  • Arboriculture:
    7 L / 120 L of water per hectare

  • Horticulture:
    7 L / 120 L of water per hectare

  • Vegetable crops:
    7 L / 120 L of water per hectare

    Application: foliar spray or soil application (after irrigation or rainfall)
    Concentration: 10% (100 mL of PSA per 1 L of water)
    Frequency: every 7 days

Approved for use in organic farming (UAB). Stable under normal temperature conditions. Compatible with most plant protection products, fertilizers, and herbicides.

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