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Insect Control
January 5, 2012
7:31 am
Big Chicken
Forum Posts: 23
Member Since:
October 19, 2011
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Tomato Leaf Spray

Plants belonging to the nightshade family, like tomatoes, potatoes and tobacco, have significant amounts of toxic compounds called alkaloids in their leaves. These toxins are water soluble and can be soaked from chopped leaves and made into home-made sprays. Their toxicity, however, may account for only part of their effectiveness. The sprays also attract natural pest enemies that follow powerful chemicals in these plants as cues in searching for prey.

Protection Offered: Tomato leaf sprays have been used to protect plants from aphids. Also, spraying tomato leaf spray can reduce cutworm damage. A scientific study has shown that plants sprayed with tomato leaf spray attracted significantly more Trichogramma wasps to parasitize moth eggs than the unsprayed plants did.

Mixing Directions: Soak 1 to 2 cups of chopped or mashed tomato leaves in 2 cups of water overnight. Strain through cheesecloth or fine mesh, add about 2 more cups of water to the strained liquid, and spray. How to Use: Spray plants thoroughly, particularly undersides of lower leaves and growing tips where aphids congregate.

*Note While this spray is not poisonous to humans on contact, use care in handling, especially if you are allergic to the nightshade family.

January 8, 2012
9:23 pm
Runningtrails - Sheryl
Barrie, Ontario
Mighty Chicken
Forum Posts: 459
Member Since:
December 27, 2008
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I have used boiled tobacoo leaves that we grew ourselves to control sawfly larve on my hibiscus. Every year they eat huge holes in all the leaves and, if left alone, will completely devestate the plants. The tobacoo leaf spray seems to control them but has to be reapplied all through the season continuously.


Good to know that it will also control aphids!

Sheryl - -

"Make it your ambition to lead a quiet life, to mind your own business and to work with your hands, just as we told you, so that your daily life may win the respect of outsiders and so that you will not be dependent on anybody."  - 1 Thes. 4:11

November 13, 2013
5:04 pm
Forum Posts: 2
Member Since:
November 13, 2013
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I’m happy to find this information!  I have a balcony/kitchen garden… and somehow there are bugs on the pepper plant.  I’ll have to try this solution. thank you. 

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