If you’ve ever wondered why ABM seed treatments aren’t killed by fungicides, then this post is for you. In this article, we will be dissecting the top 3 reasons ABM seed treatments are able to overcome the power of fungicides.
- Trichoderma is broadly resistant to fungicides. A major reason why ABM chooses to provide Trichoderma-based products to the marketplace is because of the organism’s general resistance to fungicides. This basic property of the genus allows ABM to provide functional biological products that, in turn, allow the grower maximum flexibility in their input choices.
- ABM products like SabrEx®, which contain the fungus Trichoderma, are applied to the seed as spores. Spores are highly resistant survival structures used by fungi like Trichoderma. These spores are what allow the Trichoderma to survive harsh environmental conditions. ABM specifically formulates its products using these naturally occurring spores with the specific aim of broadening product compatibility with a diverse set of agricultural chemicals. Thus, even though Trichoderma is a fungus, the biological state that ABM delivers to the seed is not susceptible to fungicides.
- Seed-applied fungicides act locally, Trichoderma can easily outgrow their area of effect. The strains of Trichoderma that ABM incorporates into its products grow aggressively once in the soil to establish their niche in the rhizosphere and inside the plant roots. With this in mind, it makes sense that these strains quickly grow out of seed applied or even in furrow fungicide zones of efficacy. These organisms are not intended to be free-living in the soil or remain on the seed, but rather colonize along the root and in the plant’s internal compartments. As a result, there is little opportunity for fungicide damage to ABM’s Trichoderma products.
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