Ambrosia trifida

Persistence of Ambrosia trifida populations in old fields and responses to successional changes.

Capitulos masculinos con involucro cupuliforme y un poco asimetricos, casi glabros, pelos multicelulares cortos y rigidos con base bulbosa, aquenio terminado en un pico conico Ambrosia trifida 5.

La composicion quimica del aceite esencial de Ambrosia trifida de China representa acetato de bornilo (15,5%), borneol (8,5%), oxido de cariofileno (8,3%), alfapineno (8,0%) atribuyendo a estos la actividad antibacteriana (Wang et al.

Weed ecologist Emilie Regnier of Ohio State University in Columbus and her colleagues conducted field experiments to determine how exotic European night crawlers, Lumbricus terrestris, affected the survival of the seeds of Ambrosia trifida, giant ragweed.

10 m from old-field dominated by Rubus, Solidago, and Ambrosia trifida; nest in excavation at base of Ambrosia trifida; (CUSC 3061).

in addition, there are plans for physical and chemical (i.e., spot treatment with herbicides) removal of aggressive undesireable species, such as eastern redcedar (Juniperus virginiana), cedar elm (Ulmus crassifolia), and giant ragweed (Ambrosia trifida).