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I topped my plants last week and one of them developed an infection below the cut. I have removed the infected plant material, sprayed the plant with neem oil, and gave the plant a neem oil soil drench. Is there anything else you recommend doing?
Neem oil is a rather weak solution for something like this IMO. I usually defer to Neem outdoors but HOCl or CannaGuard-Pro or something might be better. At least double check your scissor cleaning procedures.
The plant is fine. Shes going to abort that top piece which is perfectly normal.
Think of it like a smashed finger losing a toe nail. minus the regrowth part.
But if the plant actually ends up with an infection then h202 or hydrogen peroxide has been shown to help even in plants without adverse effects to the plant itself.
but that would be more for stems