Ususally Indole-3-butyric acid is used as a rooting hormone. Can this be used in solution as a root drench for a mature plant?
I have seen some initial results in a random event in my garden. I mixed some Indole-3-butyric acid in a high concentration to bandage a broken branch. I mixed a little too much and poured the rest on the roots. Next day the plant noticeably stretched and looked amazing. I'm concerned about toxicity in the plant in the long term but initial results are promising. I mixed a similar solution and tried it on the smallest of my plants in hopes to prompt a stretch which will "catch it up" to the others.
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