I have used tobacco juice before for mites and whiteflies and it is very effective but I also worry about tobacco mosaic virus though I never got it when I used it.
The 10% permethrin is somewhat effective if you use it with a heavy dose of dishwashing soap so it will wet the little buggers. The trouble is to really be effective you need to spray every two days for at least a week and that is a lot of poison to put out so often.
Malathion is fairly effective with a soap mix but it can damage tomato leaves if it is used too strong or when the sun is shining.
I'm hoping the sulfur dust works. It was a little tricky to apply because it is hard not to get in the drift when putting it out.
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