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Filtering by: Subject Defoliation -- Oregon Advisor Mcinnis, Michael L. Rights Statement Copyright Not Evaluated

The effects of defoliation on yellow starthistle (Centaurea solstitialis L.) reproductive capacity

Creator:

Schumacher, Stacy

Abstract:

Yellow starthistle (Centaurea solstitialis L.) is an introduced Asteraceae that has become established on 10 million acres in the Pacific Northwest and California. This weed functions as an annual or short-lived perennial and depends on seeds for reproduction. Strategies of control that reduce plant fitness or lower seed production or...

Resource Type:

Masters Thesis

Full Text:

plant following four different defoliation treatments in northeastern Oregon 36 6. Seedhead diameter