Biological Fungicide

MAPP number: 20388

Polyversum contains one of a kind active substance, Pythium oligandrum M1.
This superior strain is naturally present in soil. It comes in the form of highly stable oospores which are activated when mixed with water. The active substance is registered till 2031 in the UK.

Modes of Action:

Mycoparasitism – Directly targets phytopathogenic microorganisms via enzymatic degradation

Growth Stimulation – Secretes a vital molecule at the root level, supporting the biosynthesis of plant growth hormones

Approved Crops

  • Wheat (Winter)
  • Wheat (Spring)
  • Barley (Winter)
  • Barley (Spring)
  • Durum Wheat
  • Oats
  • Oilseed Rape
  • Rye
  • Triticale

Target Diseases

  • Tapesia yallundae
  • Gaeumannomyces graminis
  • Fusarium spp.
  • Puccinia spp.
  • Septoria tritici
  • Pyrenophora teres
  • Sclerotinia sclerotiorum
  • Leptosphaeria maculans
  • Alternaria spp.
  • Botrytis cinerea
  • Peronospora arborescens
  • Pleospora calvescens syn. Helmintosporium papaveris
  • Verticillium dahliae

Key Features:

  • Superior strain of Pythium oligandrum with high efficacy
  • No PHI – residue-free
  • Broad-spectrum activity: effective against a wide range of foliar and soil-borne diseases
  • No build up of resistance
  • Safe to humans, animals and the environment
  • Storable in room temperature
  • Safe and environmentally friendly solution.
  • No phytotoxicity

Application Information

  • Always follow the product label
  • 2 applications per season

Dosage:

0.1kg/ha per application

Timing:

GS31-32 (T1 timing)

GS 37-39 (T2 timing)

Other timing options are available, including seed treatment, but a maximum of 2 applications per season still applies.

  • Always follow the product label
  • 3 applications per season

Dosage:

0.1kg/ha per application

Timing:

BBCH 12-19

BBCH 30-39

BBCH 65

Seed treatment is available but a maximum of 3 applications per season still applies.

Polyversum Label

Disclaimer

This biopesticide product is authorized and intended for sale as a fungicide solely in the UK for the authorised crops. Its use is subject to local authorization. Customers must read the label and verify compliance with local legislation before use.