diatomaceous earth for thrips

Ruth_pa5(z5PA)June 15, 2007

Does anyone use diatomaceous earth for thrips? Do you lightly dust the plant? the base?

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williamcartwright

Carefully research this before you do it. Diatmaceous earth comes in several forms ranging from dangerous to extremely dangerous to breathe. No way I'd mess with it. It can cut your lungs to shreads. Like breathing tiny shards of glass.

Know what you are dealing with.

Bill

    Bookmark   June 16, 2007 at 2:28AM
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Krista_5NY

I've wondered about using kitchen flour as a dust for aphids. (or thrips)

The flour might have a dehydrating effect, like the D. earth.

    Bookmark   July 6, 2007 at 5:06PM
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Ruth_pa5(z5PA)

I want to thank Bill. I should know better, & somewhere did.
Maybe that's why I asked. A respected rose grower suggested it & he should know better too.

Thrips have pretty much passed. Soapy water works fine for aphids & is much less messy than flour. Now it's Japanese beetles. The only solution there I know is to cut buds early in the morning & let them open in the vase. Also, I shake badly infested roses early in the morning & call "bugs, chickens!" They gobble them up like candy.

    Bookmark   July 6, 2007 at 9:55PM
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triple_b(BC 5b)

I want some ducks myself but living in a condo... I guess that will have to wait.

    Bookmark   July 10, 2007 at 2:38PM
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farmer_lady

The info given about the dangers of DE isn't 100% correct-
Pool grade and "garden grade" DE is definately harmful to the lungs, so should never be used in a garden or around people/pets.
HOWEVER:
Food Grade DE is not the smae product. It is procecssed in such a way as to remove the harmful silica particles.... breathing it isn't nice--
but has about the same effect as snuffling a handful of baby powder!
It is bought at health-food stores or Farm / food co-ops as "Fossil Shell Flour" and is dusted onto pets and livestock; used in peoples bedding for lice, fleas and bedbugs; fed to livestock and pets to prevent worms and parasitic illnesses;
and yes-even eaten by people on a daily basis!

You can find good info in Wikipedia, and by searching the Web-- but there is a site here> http://www.wolfcreekranch.net/defaq.htm
and here> http://www.backyardchickens.com/web/viewblog.php?id=1560-Food_Grade_DE That are very informative and helpful....
The EPA also lists the areas it approves of for it's use on its site >
http://www.kellysolutions.com/AZ/showsites.asp?Basic_EPA_ID=73729%2D1&Product_Name=CONCERN+DIATOMACEOUS+EARTH+CRAWLING+INSECT+KILLER
If the EPA approves of it for use on pets and humans living quarters, then it is definately ok to use on plants..
just be sure to protect your eyes and stand upwind appying it... it isn't really harmful--
but can be nasty up your nose or in your eyes!

We us it in our outdoor garden, on our pets, in the chicken coop & run... and have had no adcerse health issues-- and we know of MANY people at out Farming sites and locals that use it as well.

Just make SURE it is food-grade DE!!!!!

    Bookmark   August 18, 2008 at 12:18PM
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Kimmsr(4a/5b-MI)

"Food Grade" DE is less processed than "Pool Grade" and has sharper edges, not nice rounded shape that the "Pool Grade" has so any insect that contacts the "Food Grade" will have its exoskeleton cut and it will loose body gluids and die. Like any other foreign substance DE, not matter which, will cause people repiratory distress if inhaled, even in relatively small quantities.
"Food Grade" and "Garden Grade" DE will be the same material, just packaged differently.

    Bookmark   August 19, 2008 at 7:15AM
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