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Creator:: Elsiddig, Ahmed A.
Abstract:: Russian wheat aphid (RWA), Diuraphis noxia (Mordvilko), is a widely distributed species in western north America, and a major economic pest of wheat (Triticum aestivum L.) and barley (Hordeum vulgare L.). The objectives of this study were to : 1) determine the inheritance of seedling and adult plant resistances in...
Resource Type:: Masters Thesis
Full Text:: . Entomologia Experimentalis et Applicata. In press. Rybicki, E.P. and M.B. von Wechmar. 1984. Serological

Creator:: Alzahrani, Fares
Abstract:: Members of the family Sciomyzidae, known as snail-killing or marsh flies, are unique amongst insects in that the vast majority of reared species feed exclusively on mollusks and as a result their biological control potential has been well documented in the scientific literature. However, in North America there is a...
Resource Type:: Masters Thesis
Full Text:: well-studied (Murphy et al., 2012). In 1850, Perris first published the malacological feeding

Creator:: Zhang, Jun
Abstract:: Meadowfoam (Limnanthes alba) is an oilseed crop with unique chemical characteristics. The ability to identify physiological maturity (PM) and harvest maturity HM of the crop would permit timely harvest of high quality seeds. However, changes of oil contents, fatty acid profile and glucosinolate contents, as well as seed quality during...
Resource Type:: Dissertation
Full Text:: mainly in the Willamette Valley in Oregon (Jolliff et al., 1981, Knapp and Crane, 1997). Meadowfoam

Creator:: Dreves, Amy J.
Abstract:: In Oregon’s northern Willamette Valley, cabbage maggot (CM), Delia radicum (L.) (Diptera: Anthomyiidae) often renders Brassica root crops unmarketable. Scheduled insecticides are the only current control. Studies were conducted to: 1) describe and characterize spring emergence of CM flies and their seasonal flight activity relative to degree-day (DD) accumulations; 2)...
Resource Type:: Dissertation
Full Text:: coast (Biron et al. 2000). Its crop host range includes: rutabagas, tuips, canola, broccoli

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