Does marigold contain antifeedant?

Question

Does marigold contain antifeedant?

Answer 1

There are different plants named marigold:

http://en.wikipedia.org/wiki/Marigold

All those of Asteraceae family contain antifeedant substances:

Calendula is one of them and its seeds contain antifeedant oil:

"The oil of Calendula suffruticosa was effective feeding deterrent for the boll weevil"

http://www.springerlink.com/content/m604...

Different Tagetes species ( Mexican marigold ) also have antifeedant property.

They are used as spray in combination with chilli f.e.

See page 2 and 3:

http://66.102.9.104/search?q=cache:BiqG6...

The third one, corn marigold ( Chrysanthemum segetum ) is effective as antifeedant too:

http://www.rsc.org/ej/P1/1999/a900692c.p...

Tree marigold ( Thitonia diversifolia ):

"Antifeedant and toxicity of Tithonia diversifolia against fifth instar larvae Heliothis armigera"

http://www.sith.itb.ac.id/profile/intan....

If you are interested in a poster:

ANTIFEEDANT ACTIVITY IN HERBACEOUS MEDITERRANEAN PLANTS

http://www.ienica.net/italyseminar/poste...