likes to smell trees.
regardless of what others might say on this subject I'ts good to see you arent fucking around. war is war.the lab that tested my plants said they couldn't distinguish between different types of fusarium without doing something called sequencing. i have asked them to do this, but it looks like it will take another couple of weeks at least. they implied that treatment strategies should be essentially equivalent regardless of which type of fusarium it is.
good question. i *think* it came from some clones i purchased and failed to adequately quarantine, but i can't really be positive about that. i can be fairly certain that it didn't come from the building itself (as you suggested for your situation). my operation is in the basement of a relatively new house (built 1996) and there were absolutely no signs of dampness or anything else (let alone having been used for growing) when i moved in. plus i was growing here for over five years without a problem before the fusarium showed up. i suppose it could possibly have come from my water supply but, again, i have been using the same unfiltered city water for the last 5 years without ever having had a problem before.
it would be nice to know with certainty where the fusarium came from, but i feel like if i can find an effective method of eradication (using fungicides or otherwise), this will be somewhat of a moot point. i mean, i would much rather have a way of dealing with it but not know where it was coming from than vice versa.
i haven't used either the t-22 trichoderma or the mycostop. my understanding is that both of these products are biological control strategies (i.e. - living organisms that feed on or otherwise suppress the bad organisms). biocontrols haven't really been a viable option for me since bleach and H2O2 (the only things keeping my plants alive) would just kill the biocontrols. however, if subdue (or another fungicide) continues to be effective in keeping the fusarium out of the roots, perhaps i can stop using the bleach/H2O2 and give one or more of these biocontrols a try. same story with beneficial bacteria.
just got new clones a couple days ago. i have distributed them among 3 (heavily cleaned and sterilized) independent systems, each with its own reservoir. i added subdue maxx (.5 ml/gal) to two of the systems and eagle-20EW (.5 ml/gal) to the third. i am also using a light dose (2 ml/gal) of H2O2 in all three systems but no bleach (i prefer to avoid the bleach unless necessary, especially with younger plants). everything is looking good so far; i will keep you updated.