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- fine-ass '22 harvest!
I think it's a snowball effect Jean.... season after season of host-desirable plant starts to build up the spore load locally...?I've been battling the dreaded Septoria which started on my tomato plants then moved to the Cream Cheeze F1Fv clone #3 which has spread like a wild fire to the Rev and CBD which are its closest neighbors. I've been battling septoria for years now in the garden it's manageable but I haven't found a way to eradicate it totally.
It's ubiquitous, so it never really "fucks off" and stays there-
Like most fungal wars, it starts with prevention, namely, foliar sprays that put the beat-down on spores and active fungi before they get established.
A quick look: DefGuard (General Hydroponics) looks to be similar to RotBlock, using Bacillus amyloquefaciens; SNS244 systemic (SierraNaturalScience) or the DC product... not 100% they work on septoria but pretty sure they do...
Neem oil, at least during veg', which will coat the leaves and last... Lots of possibles out there, but bottom line is retreatments as new growth develops. I wonder if the DefGuard and SNS are a compatible 1-2 punch? Might be worth an email to SNS to find out