anyone make their own ultrafine oil spray?

honu(z11 HI)February 26, 2006

Trying to get rid of tomato bugs, and insecticidal soap isn't working. Ultrafine oil was recommended to me, but the ones in the soil are petroleum based. If you have made and used your own oil spray from cooking oil, would you share your recipe, please? Thanks in advance!

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honu(z11 HI)

Oops, meant to say "the ones in the STORE are petroleum based".

    Bookmark   February 26, 2006 at 9:05PM
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watergal(z6/7 Westminster, MD)

I know a number of people who use PAM cooking spray on waterlilies for aphids. I think PAM is vegetable oil based? I would experiment first on a small area.

    Bookmark   February 27, 2006 at 11:33AM
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katwomn59(8b-Austin, TX)

Heres a link for a recipe for using canola oil as dormant oil spray. I read somewhere that canola oil has some insecticidal properties. Not sure what the proportions would be for summer weight spray but probably not too hard to figure out.

Here is a link that might be useful: A less toxic dormant oil spray

    Bookmark   February 28, 2006 at 9:27PM
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pablo_nh(z4/5 NH)

What kind of bugs are on your tomatoes? Hornworms?

    Bookmark   March 1, 2006 at 8:36AM
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pickwick

...just visiting...suggest the Gardens Alive Catalogue for horticultural oil products (canola;cottonseed oil). I would imagine their fomulations (which might include specific adjuvants)have passed series of testing...
http://www.GardensAlive.com

    Bookmark   March 1, 2006 at 10:57AM
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honu(z11 HI)

Pablo, our tomato bugs, Cyrtopeltis modestus, are not worms, they are true bugs, insect order, Hemiptera.

Kat, thanks for the Canola oil info and recipe for dormant oil.
(Not sure what the proportions would be for summer weight spray but probably not too hard to figure out.)
Actually, I wouldn't know how to figure how to make this into ultrafine, having no prior experience w/ oil sprays, and would appreciate if anyone could share their tried and true homemade recipe.
Thanks!

    Bookmark   March 1, 2006 at 2:35PM
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katwomn59(8b-Austin, TX)

Sorry, I have not used any oil based spray's lately cause I have a west facing balcony in central TX and it gets HOT! But until I burned some plants by spraying neem oil in the late afternoon (which is the hottest time of the day on my balcony) I think I used 1 tblsp per gallon. Here's a recipe I found on the web

RECIPE: homemade Horticultural Oil spray:KEEP OUT OF REACH OF CHILDREN!
1 tablespoon vegetable cooking oil (corn, soybean, peanut or sunflower) per gallon of water. To increase efficiency, add 1 teaspoon of NON-DEGREASING liquid dishwashing detergent per gallon of water (addition of soap increases the risk of plant injury)

Hope that helps.

    Bookmark   March 1, 2006 at 9:38PM
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honu(z11 HI)

Thanks Kat, I'll try it!

    Bookmark   March 2, 2006 at 2:58AM
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kansas_gardener(6)

Have you tried this oil and soap recipe and did it work?
K_G

    Bookmark   April 1, 2006 at 7:32PM
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honu(z11 HI)

KG, yes, I tried it a few times, but no success. However, we've been having severe wet weather, which may have affected the results.

    Bookmark   April 2, 2006 at 5:57AM
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