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How to Choose Mycorrhizal Inoculants for Cannabis

Posted by Guy Hyams on

Many products on grow shop shelves are labeled with the words “mycorrhizae”, “mycorrhiza” or “mycorrhizal fungi”. However, not all mycorrhizal inoculants were created equally. How do you know which inoculant is best for cannabis? Or which is the most potent? Which one should you purchase and take home to use on your plants? This quick guide will help you navigate through the hype surrounding mycorrhizal inoculants. 

What’s in your inoculant? To truly know what a product is made of, take a look at the active ingredients on the label. Any company that takes pride in its product should state which species are in the product, and how many propagules (or viable spores) of each species you are getting.

Species: This can be truly difficult, as there are hundreds of species of mycorrhizal fungi out there – most of which are completely irrelevant for cannabis! For instance, you can completely rule out all ectomycorrhizae, as these are only relevant to woody plants (trees and bushes), but won’t inoculate cannabis at all. The only species that are relevant for cannabis are classified as endomycorrhizae, such as the Glomus genus. Specifically, Glomus intraradices and Glomus mosseae, the two active ingredients in DYNOMYCO™, are proven to be extremely effective on cannabis.

Propagule counts: It’s not just which species of microbes you’re buying, it’s how much of them you’re getting in your package. The inoculant’s concentration is what determines its potency. One would think that this is a simple matter of comparing numbers, but unfortunately, even this can get tricky at times. What you’re looking for is the highest number of propagules you can find per gram. Don’t be fooled by big numbers of irrelevant species, or by numbers that look big because they are essentially measuring propagules per lb or per kg.

DYNOMYCO™ contains 900 propagules of Glomus intraradices and Glomus mosseae per gram. These are both species of endomycorrhizal fungi that were selected and screened specifically for cannabis cultivation. DYNOMYCO™ is a premium endomycorrhizal inoculant, specifically formulated for cannabis, guaranteed to keep your plants happy and healthy.

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