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H2O2
Hey list,
I was curious, many have said that 3% hydrogen peroxide is a great way to kill bacteria, fungi...etc, but if it can kill those things, why doesn't it harm the plants? It's cells either way right? Are plant roots more susceptible to H2O2 damage than leaves (if in fact damage can occur)? Cheers, Xi |
#2
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Xi Wang wrote: Hey list, I was curious, many have said that 3% hydrogen peroxide is a great way to kill bacteria, fungi...etc, but if it can kill those things, why doesn't it harm the plants? It's cells either way right? Are plant roots more susceptible to H2O2 damage than leaves (if in fact damage can occur)? Cheers, Xi H2O2 (hydrogen peroxide) gets touted as a general greenhouse antiseptic from time to time, usually in a much weaker dilution than 3%. This claim seems dubious to me because H2O2 breaks down into water and oxygen very rapidly, especially on contact with organic material. I don't think very dilute solutions would be any more effective than plain water. Whether 3% H2O2 would harm roots and leaves, I don't know. I don't have any plants I'm willing to sacrifice to find out. Highly concentrated H2O2 is very nasty stuff: ask any chemist. I mention this only because H2O2 enthusiasts often recommend folks buy strong concentrations to formulate their own weak solutions. J. Del Col |
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