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Did I kill and dry out these branches by spraying them with 1.5% hydrogen peroxide?

You might remember my previous thread about a week ago with the same plant:

https://www.icmag.com/ic/showthread.php?t=322402

A few days before I posted that thread, in my over-analyzing paranoia when I thought I had some sort of fungus or mildew climbing up the stems of one of my mother plants I did what any over-reacting conclusion-jumping idiot would do and sprayed the lower parts of the branches down to the crown with a 1.5% (mixed 3% first aid h2o2 with water 1:1 ratio) solution of hydrogen peroxide thinking that might help somehow, even though in hindsight I now see nothing needed helping.

Tangentially as a side note, in the past I have sprayed the top of rockwool cubes containing a one foot plant in them with 2-3% h2o2 to try to combat what I thought was black mold spores (it wasn't the green algae or the white fuzzy stuff) and in both instances the plants started to dry up a lot almost as bad as these pics I've included, but then after a couple weeks they recovered and went on to thrive. I should've learned my lesson then but I guess this mother plant was so fragile I shouldn't have sprayed it with h2o2.

I already know I'm an overreacting idiot on this I just hope someone might be able to confirm that this is what happened to these branches. The last pic is a cross section cut of one of the dried out branches on the bottom with a healthy cross section from another mother on the top for reference. Does it seem like the h2o2 oxidized the stem and dried it out?
 

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FishmanK

Member
I JUST had this same problem!
I have used HO2 for PM issues with n/p on outdoors plants
they love it as long as not in sun

But my babies for this year took a dive from spraying
I put them right back in under the lights tho
since then i have sprayed them in the bathtub and left them off to the side in low reflected light where the fan still hit them and let them dry all the way before back under the lights
they were happier!
My house is kinda cold too :|
 

myiqis55

Member
You can use compost tea as a foilar spray to eliminate pm. It will stop and eliminate pm and mold. And in the situation that you freaked out.. It will be beneficial anyways. On that note. I think foilar spraying weekly is necessary to manage a garden. Most garden stores will have some compost tea available for free
 
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