Damping off: Pretreating germination mix with hydrogen peroxide

b54red · January 24, 2021

I just use DE for germinating all seeds that are prone to damping off. Since it has no fertilizer value adding fertilizer soon after sprouting is a must. Even with DE if I allow the DE to remain too damp for too long I can still have damping off problems but they are the exception now rather than the norm. Down here damping off is just in the air and almost impossible to avoid totally but using a sterile starting medium that is not kept too wet is the most important step in avoiding it. Keeping the air moving and plenty of light are also factors that help.

Bill

January 24, 2021	#4
b54red Tomatovillian™ Join Date: Sep 2009 Location: Alabama Posts: 7,068	I just use DE for germinating all seeds that are prone to damping off. Since it has no fertilizer value adding fertilizer soon after sprouting is a must. Even with DE if I allow the DE to remain too damp for too long I can still have damping off problems but they are the exception now rather than the norm. Down here damping off is just in the air and almost impossible to avoid totally but using a sterile starting medium that is not kept too wet is the most important step in avoiding it. Keeping the air moving and plenty of light are also factors that help. Bill