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Filtering by: Subject Yellow starthistle -- Control -- Oregon Peer Reviewed No

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:

northeastern Oregon 47 14. Percent infestation of yellow starthistle seedheads of biological control agents
Hybridization between yellow starthistle (Centaurea solstitialis) and meadow knapweed (Centaurea x moncktonii)

Creator:

Miskella, John

Abstract:

Centaurea solstitialis L. (yellow starthistle) and C. × moncktonii Britt. (meadow knapweed) are members of the genus Centaurea in the Asteraceae family. Both species have become serious management concerns as invasive species in North America, often displacing native vegetation and costing land managers millions of dollars to eradicate. Seven plants...

Resource Type:

Masters Thesis

Full Text:

United Kingdom and northern Europe. In Oregon, yellow starthistle is established in eastern and
Tenmile Lakes partial control of yellow perch, 1964-1965

Creator:

Werner, Richard L. and Oregon. State Game Commission. Fishery Division

Abstract:

The Tenmile Lakes Project for partial control of warm-water fish was initiated in August of 1964, One qualified fishery biologist and one conservation aide were assigned to do the work. The reduction in assigned personnel was due to lack of funds. Although this was to be a joint project with...

Resource Type:

Technical Report

Full Text:

Tenmile Lakes Perch Control Number 15 STATE OF OREGON OREGON STATE GAME COMMISSION FISHERY DIVISION