Bracteal exudates in two cirsium species as possible deterrents to insect consumers of seeds [Cirsium discolor, Cirsium flodmani]

The involucral bracts of Cirsium discolor (Muhl.) Spreng. and C. flodmani (Rydb.) are sticky. Seed predation by insects on C. discolor was significantly greater in involucres on which the sticky bracteal exudates were experimentally occluded, in central Illinois in 1980. No effect of the experimenta...

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Veröffentlicht in:	The American midland naturalist 1983-07, Vol.110 (1), p.212-214
Hauptverfasser:	Wilson, M.F, Anderson, P.K, Thomas, P.A
Format:	Artikel
Sprache:	eng
Schlagworte:	Ants Bracts Cirsium discolor Inflorescences Insect larvae Insect traps Insecta Larval development Liquids Notes and Discussion Plants Predators Seed production
Online-Zugang:	Volltext
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