Can you use Physan 20 as a preventive say for example if your not sure the plant has the fungus? Also, if you have applied it on a affected plant. How long afterward do you have to quarantine the plant?
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Can you use Physan 20 as a preventive say for example if your not sure the plant has the fungus? Also, if you have applied it on a affected plant. How long afterward do you have to quarantine the plant?