Cutting tips turning brown

dakilla187

Well-Known Member
Normally I clone using water and a bubbler, but recently I switched to rockwool and a dome like how I did in the past....

I have been having a couple of cuttings here and there have the tips turn brown after and during root development....I think I have 3 right now that have no tops as I pinched off the rot....

Any ideas why this is happening? I air out my dome many times during the day and have never had this happen in all the hundreds of cuttings I make througout the years....I sprayed one with lost coast therapy before even going in the dome and that one also had its tip rot...

Maybe pretreat with copper? I would say from about 17 cuttings 3 turned brown at the tips

This one is just a little brown on top and fully rooted, I dont know if it will get worse but the other ones I had to pinch the tops off
 
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