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Filtering by: Committee Member Burrill, Larry Decade 1990-1999 Language English [eng]

Biology and control of barb goatgrass (Aegilops triuncialis L.)

Creator:

Peters, Amy

Abstract:

This research examined the biology of barb goatgrass (Aegilops triuncialis L.) a weedy annual grass that is invading the rangelands of California. Germination and root growth characteristics of barb goatgrass were compared to soft chess (Bromis mollis L.), medusahead rye (Taeniatherum caput-medusae (L.) Nevski), slender wild oats (Avena barbata L.),...

Resource Type:

Masters Thesis
Informal Education on an Estuary Nature Trail : A Study of Visitor Knowledge, Attitudes and Behavior

Creator:

Osterman-Sussman, Irene

Abstract:

The Mark 0. Hatfield Marine Science Center (HMSC) public education opportunities include interpretive programs offered along the Estuary Nature Trail. The purpose of this study was to determine the effectiveness of three informal education programs, interpretive signs, a self-guided trail brochure, and guided naturalist walks, in imparting information on the...

Resource Type:

Masters Thesis

Full Text:

to thank each of my committee members at Oregon State University, Larry Burrill, Dan Edge, Roberta
Effect of seed burial and vernalization on germination and growth of Bromus carinatus and its control with several herbicides

Creator:

Rojas-Calvo, Carlos Enrique

Abstract:

California brome (Bromus carinatus Hook & Arn), is considered an important weed infesting wheat and grass seed fields in the Willamette Valley of Oregon. Field and greenhouse experiments were conducted to study some biological aspects to develop more efficient management strategies. A field experiment was conducted to determine the effect...

Resource Type:

Masters Thesis

Full Text:

. Larry Burrill, Dr. M. T. AliNiazee, and Dr. Nabeel S. Mansour, for their time and support. My special