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tobacco spray - homemade

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i am looking for a good recipe for a tobacco spray. i have the tobacco plant growing now, do i have to dry the leaves before making the spray, or will green leaves work? also, does it matter when i harvest the plants (while flowering or before?). all the recipes i have found involved using cigerettes (or butts), which i would like to avoid. thanks.

also, when i have your attention, any one use wormwood as an organic bug spary? thank you.
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Location: northern California
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I have only ever used dry leaves but I imagine green would work too. Dried and powdered might give you more concentrated nicotine. I like to see a good dark brown "tea" made by bringing leaf in water to a boil and let steep for a few hours or overnight. Add some liquid soap to help it stick to plants. If it is too concentrated it may damage some plants. Especially do not use on nightshade family because it can spread virus from the tobacco. And it is extremely poisonous....not for use on anything that will be used for food for quite a while.....
Posts: 42
Location: Southern Oregon
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Tobacco spray used to be staple pesticide for farming before Big Ag. The farmers used the stalks, since the leaves were worth money.

Dry or wet will work. Cutting the flowering stalks off the plant makes the plant produce more nicotine. The best variety to use is Aztec, it doesn't get as big, but has way more nicotine then say Virginia Redleaf.

Tobacco mosaic virus is destroyed at temps just under boiling, so if you bring a pot of leaves up to a boil then turn off the heat, the virus is a non-issue. If you are growing your own, you would know if you had the virus.

I haven't had much luck with even very strong tobacco sprays, which I tried using on aphids. Some would die, but enough would survive and reproduce that control was elusive. I prefer Neem oil sprays for aphids myself, but there's no reason you couldn't use both in the same spray.

The thing to remember when making your own "bug spray" is every species is different. What insects are you trying to control?
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