Don't you think so that spraying salt solution will damage the plant as it will be hypertonic to the plants ?

by Kk Pandey
(Mumbai)

Don't you think so that spraying salt solution will damage the plant as it will be hypertonic to the plants ?
And when the solvent will evaporate the salt may leach the leaves and settle on leaves stopping their normal metabolism.




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Don't you think so that spraying salt solution will damage the plant as it will be hypertonic to the plants ?

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Jan 03, 2011
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Hypertonic Solutions
by: Larry

Yes, I fully agree that a salt solution will damage the leaves of a plant - but ONLY in high concentrations.

A hypertonic solution is a solution with a high concentration of salt compared to what it is measured against. In this situation a salt solution sprayed on a plant is saltier than the plant it is sprayed upon therefore the solution is hypertonic.

And that is exactly what we are striving for; a solution salty enough to drive away or kill bugs but NOT damage the plant.

So it comes down to a matter of degree. A small amount of salt dissolved in a solution is not necessarily toxic to a plant whereas a high concentration of dissolved salt in a solution is toxic.

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