35 research outputs found
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Wireworm : biology and nonchemical management in potatoes in the Pacific Northwest
Wireworm is the common name for the larvae of click beetles (Coleoptera: Family Elateridae). The adults do little or no damage, although there are some anecdotal reports that they can damage certain crops (e.g., grapes and stone fruits) by feeding on flowers. However, larval wireworms are among the most destructive of soil insect pests. They are important pests of potatoes and other crops, including corn, cereals, and carrots. Less frequently attacked are melons, beet roots, and strawberry fruits. Wireworms can also damage germinating seeds, but transplants are generally less susceptible. Their importance as crop pests seems to be increasing. This publication reviews the wireworm literature and provides information on wireworm biology, monitoring, risk assessment, and nonchemical control options that can be integrated
into a variety of production systems.Published December 2008. Reviewed October 2013. Please check for up-to-date information in the OSU Extension Service Catalog: http://extension.oregonstate.edu/catalo
Proprietary and Sovereign Public Trust Obligations: From Justinian and Hale to Lamprey and Oswego Lake
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Innovative nuclear thermal propulsion technology evaluation: Results of the NASA/DOE Task Team study
In response to findings from two NASA/DOE nuclear propulsion workshops held in the summer of 1990, six task teams were formed to continue evaluation of various nuclear propulsion concepts. The Task Team on Nuclear Thermal Propulsion (NTP) created the Innovative Concepts Subpanel to evaluate thermal propulsion concepts which did not utilize solid fuel. The Subpanel endeavored to evaluate each of the concepts on a level technological playing field,'' and to identify critical technologies, issues, and early proof-of-concept experiments. The concepts included the liquid core fission, the gas core fission, the fission foil reactors, explosively driven systems, fusion, and antimatter. The results of the studies by the panel will be provided. 13 refs., 6 figs., 2 tabs