Organic Ways To Kill Aphids

soulreaverJune 20, 2009

I have been doing experiments with trying to kill aphids and few things have shown any promise.

I have tried cooking tomatoe leaves in boiling water to make a tomato spray but after testing it on a few dozen aphids they seem to show no damage at all.

Has anyone used this method successfully to kill aphids and if so, am I doing something wrong?

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jean001(z8aPortland, OR)

Try something easy. Squish them. And/or wash off with water.

    Bookmark   June 21, 2009 at 1:09AM
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soulreaver

I have over two hundred tomato plants many of them over 3 feet wide and 4-5 feet tall. I don't think squishing is going to work lol. As for spraying them, I have already laid down soaker hoses to try and avoid spraying water on their leaves so they don't get infected with various diseases.

I need some kind of organic home made spray that works.

    Bookmark   June 21, 2009 at 5:20PM
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yardenman(z7 MD)

You can try a 50%-70% alcohol solution spray on them.

    Bookmark   June 22, 2009 at 3:24PM
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soulreaver

Thanks yardenman. One quick question, would that harm any of the beneficial insects or burn the leaves on the plants? (I assume I should do it at night since alcohol evaporates fast)

    Bookmark   June 22, 2009 at 8:24PM
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tandm

I would think that the alcohol solution would kill your beneficials. I have been experimenting with home made cayenne spray. I mixed some in water and have used it on the one tomato plant in my garden with aphids. Seems to work. The fumes can be potent however.

    Bookmark   July 1, 2009 at 7:44PM
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hortster(6a, southcentral KS)

A good article on organic aphid control is the last entry in the attached link to KSU Extension Newsletter. You might check it out. It is for organic greenhouse use but some of the products might work just as well outside.
hortster

Here is a link that might be useful: KSU Extension Newsletter

    Bookmark   July 2, 2009 at 4:07PM
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