Does marigold contain antifeedant?

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...