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Trianum P biological fungicide approved for disease suppression in greenhouse vegetables and herbs


July 20, 2020
By Jim Chaput, OMAFRA

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The Pest Management Regulatory Agency (PMRA) in Canada recently announced the approval of a minor use label expansion registration for Trianum P Biological Fungicide for management of select diseases in greenhouse vegetables and herbs.

Using Trichoderma harzianum, the product is now specifically approved for:

  • the Suppression of Post-Emergence Damping Off Caused by Rhizoctonia solani and Pythium ultimum and Fusarium Root Rot Caused by Fusarium oxysporum on Sowing of Greenhouse Vegetables (Bulb Vegetables, Leafy Vegetables, Brassica Vegetables, Fruiting Vegetables and Cucurbit Vegetables) and Greenhouse Herbs
  • the Suppression of Post-Emergence Damping Off Caused by Rhizoctonia solani and Pythium ultimum and Fusarium Root Rot Caused by Fusarium oxysporum on Transplanting and Repotting of Greenhouse Vegetables (Bulb Vegetables, Leafy Vegetables, Brassica Vegetables, Fruiting Vegetables and Cucurbit Vegetables), Greenhouse Herbs, Greenhouse Strawberries and Indoor-Grown Cannabis
  • the Suppression of Post-Emergence Damping Off Caused by Rhizoctonia solani on Field Grown Vegetables (Bulb Vegetables, Leafy Vegetables, Brassica Vegetables, Fruiting Vegetables and Cucurbit Vegetables), Herbs, Cannabis and Hemp

Trianum P Biological Fungicide was already labeled for use on a wide variety of crops in Canada for control of several diseases.

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The following is provided as an abbreviated, general outline only. Users should be making pest management decisions within a robust integrated disease management program and should consult the complete label before using Trianum P Biological Fungicide.

Do not apply or allow drift of Trianum P Biological Fungicide to other crops or non-target areas. Do not contaminate off-target areas or aquatic habitats when spraying or when cleaning and rinsing spray equipment or containers.

Follow all other precautions, restrictions and directions for use on the Trianum P Biological Fungicide label carefully.

For a copy of the new minor use label contact your local crop specialist, regional supply outlet or visit the PMRA label site https://www.canada.ca/en/health-canada/services/consumer-product-safety/pesticides-pest-management/registrants-applicants/tools/pesticide-label-search.html

Note:  This article is not intended to be an endorsement or recommendation for this particular product, but rather a notice of registration activity


Jim Chaput is the minor use coordinator at the Ontario Ministry of Agriculture, Food and Rural Affairs.