I don't know about testing or licensing exactly, but I do know that other rooting activator and/or hormone products have had to show proof of efficasee (sp?) before they could be sold in states like Cali and Wi.
Personally I like and use a product in my greenhouse that the state of Wi keeps trying to ban. I believe it makes a difference for me, but often products like that only have "hearsay" proof that the stuff works.
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After looking at 20 + Google pages, all in German, and nothing that I could figure out being anything other than mention of the product with MyccoVital added, my guess is that MyccoVital is made by that same company and not sold seperately. A "proprietary" product.
Carol
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