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Old 20-08-2003, 02:40 AM
John Savage
 
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Default homemade white oil recipes

A web search for articles written about homemade white oil turned up
quite a few articles, including the following three. The first writer
makes it clear that you dilute the concentrate (1 tbspn in 1 litre of
water) before spraying onto both sides of the foliage. I'm sure you
would need to dilute the concentrate formulae in the 2nd and 3rd
article excerpts, too, before spraying onto your plants, even though
the writers don't spell it out. Does anyone disagree with me on this?
It would have to be a major oversight on the part of the writers, not
to describe how it should be diluted, since there are dangers in
applying white oil at too great a strength.

+++++++++++++++++++++++++++

Home Made White Oil ; ABC Brisbane ; The Backyard
www.abc.net.au/brisbane/stories/s780287.htm

Saturday, 8 February 2003

It is easy to make your own white oil from vegetable oil and liquid
soap. Prepare the concentrate using the proportions below. Store in a
suitable container. Label the container, making sure to include the
dilution rate on the label for quick reference.

Ingredients
1/2litre of vegetable oil (any brand)
1/2cup Sunlight dish washing liquid
Dilution
Dilute the above mix by placing 1 tablespoon into a litre of water.
Mix well and spray thoroughly over both sides of the foliage and onto
the offending pest.
The contents of the stored concentrate will separate over time. Simply
ensure that the concentrate is well mixed each time before you attempt
to dilute it for use. Spray as often as required.

Use
Oil based sprays are useful in controlling a wide range of insect
pests and mites. In most cases the oil covers the body of the insect
or mite, causing it to suffocate. Scale, aphids, pimple psyllids,
mites and even young grasshoppers can be killed by contact with the
oil. In the case of citrus leaf miner, the shiny oil coating on the
leaves repels the moth responsible for laying eggs on the new leaves
of citrus plants. These eggs quickly hatch into larvae that tunnel
between the upper and lower surfaces of the leaves causing the
characteristic silvery trails and distortion of the leaves.
Precautions
Always following the directions as to the dilution rate as oil based
sprays can burn if applied in strong concentrations. Do not apply in
hot weather. Do not use on plants with hairy leaves, ferns or palms
and reduce to half strength on native plants with fine foliage (eg
leptospermums or tea trees). These precasides of the foliage and onto
the offending pest.
The contents of the stored concentrate will separate over time. Simply
ensure that the concentrate is well mixed each time before you attempt
to dilute it for use. Spray as often as required.

+++++++++++++++++++++++++++

www.abc.net.au/sydney/stories/s694367.htm

During the Australian Live Gardening Show at Homebush a caller rang to
ask how to get rid of Scale and Sooty Mould from her Lily Pilly.

Peter Cundall gave the following recipe
One cup of ordinary kitchen oil and half cup of water combined in a
blender
Cover plant thoroughly with the white oil, especially under the leaves
every four days for a couple of weeks until problem goes away

+++++++++++++++++++++++++++

www.fcbs.org/articles/culture_adelaide.htm

If you want to act quicker to rid yourself of scale, mealie bug, or
mossies why not try the Canola Oil Method.

First make your White Oil mixture - 750ml Canola Oil, 3 tablespoons
Sill detergent or Down to Earth detergent or Alginox and 1250ml water.
Shake well.

Mossie spray - 50ml mixture to 4 litres water. Apply after rain.

Scale and mealie bug spray - 300ml mixture, 300ml vinegar (brand
doesnt matter), or Ammonia (use Superior Brand) . Apply the acid
(vinegar) preparation when plants are colouring up or apply the
ammonia formulation when plants are in full growth.

Have you heard "Never use White Oil?" Remember that commercial white
oil is made from paraffin/mineral oils and if used correctly on
Bromeliads it will poison and smother the plant as well as the pest!

Canola white oil functions differently, it would smother the insect
then degrade within a few days in bright light and can be washed off.
Perfect, it does the job and doesn't hang around! Take the usual
precautions like not spraying on hot sunny days. Spray in the evenings
and wash off the excess in the morning.

Test soft and delicate plants. The ammonia formulation is known to
burn delicate plants when it lodges between two soft leaves.

If you dont know much about the hazards of insecticides we suggest you
read "Silent Spring" by Rachael Carson

+++++++++++++++++++++++++++

But before you embark on any of these, you must read a glowing report
on Canola-based "White Oil" by Rob Smythe:

www.fcbs.org/articles/canola.htm

--
John Savage (news address invalid; keep news replies in newsgroup)

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