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Author Topic: Increasing drought tolerance with vinegar  (Read 58 times)

Psylocke

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Increasing drought tolerance with vinegar
« on: June 27, 2017, 10:11:14 pm »

Some very interesting new research. Looks like it could be very useful for those of us who grow tropicals in dry climates. Need to look into it more carefully to understand their application method and concentration used since acetic acid can also be used as an herbicide at high concentration.

phys.org article on drought tolerance

Full article in Nature
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Psylocke

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Re: Increasing drought tolerance with vinegar
« Reply #1 on: June 29, 2017, 08:48:55 pm »

Bummer, the full article was accessible for a while but now says you need a subscription. From what I can gather the comparison studies were done at a rate of 10mM which I think works out to about 3 tablespoons of 5% vinegar per gallon applied to the soil when the plants were seedlings. Seems that it alters the plant epigenetically so that the drought resistance persists even after application stops.
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