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INTEGRATED PLANT PROTECTION CENTER


Publications


Leonard (Len) Coop

PUBLICATIONS - total accepted or in print: 23 (refereed), 50 (other)

Coop, L.B. 1983. Orange tortrix: parasitoid complex and thermal constants for egg hatch. MS Thesis. Oregon State University, Dept. of Entomology. 125 pp.

Coop, L.B. and R. Berry. 1986. Reduction in variegated cutworm (Lepidoptera: Noctuidae) injury to peppermint by larval parasitoids. J. Econ. Entomol. 79:1244-1248.

Coop, L.B. and R. Drapek. 1987. Evaluating pheromone traps for corn earworm in sweet corn. Proc. Oregon Hort. Soc. 78:92-96.

Coop, L.B. 1987. Management of variegated cutworm in peppermint. PhD Thesis. Oregon State University, Dept. of Entomology. 154 pp.

Knight, A., R. LaLone, G. Fisher and L. Coop. 1988. Managing leafrollers on caneberries in Oregon. Oregon State University Ext. Circ. 1263. 8 pp.

Fisher, G., B. Croft, L. Coop and R. Drapek. 1988. Corn earworm pest management. Proc. Oregon Hort. Soc. 79:165-171.

Berry, R.E., L.B. Coop and J. Duvall. 1989. IPMP - Insect pest management in peppermint. Users Guide. OSU Special Pub. No. 834.

Coop, L.B., R. Drapek. 1989. Corn earworm report newsletter III (1-4). OSU Extension Entomology.

Coop, L.B., B.A. Croft, C. Murphy and S. Miller. 1989. Economic analysis of African locust/grasshopper control. Part I. GHLSIM technical reference. IPPC Oregon State Univ. 35 pp.

Coop, L.B., B.A. Croft, C. Murphy and S. Miller. 1989. Economic analysis of African locust/grasshopper control. Part II. GHLSIM user manual. IPPC Oregon State Univ. 44 pp.

Coop, L.B., B.A. Croft, C. Murphy and S. Miller. 1989. Economic analysis of African locust/grasshopper control. Part III. Analysis of the 1987 grasshopper campaign in Chad. IPPC Oregon State Univ. 56 pp.

Coop, L.B., Drapek, R., B.A. Croft and G. Fisher. 1989. CEWSIM: Corn Earworm Damage Simulator. Version 1.1 Users manual. OSU Extension Entomology. 20 pp.

Coop, L., A. Knight and G. Fisher. 1989. Parasitism of orange tortrix on caneberry, Rubus spp. in western Oregon and Washington. J. Entomol. Soc. Brit. Columbia 86: 63-65.

Coop, L.B., B.A. Croft. 1990. Diapause and life history attributes of Phytodietus vulgaris (Hymenoptera: Ichneumonidae), a parasitoid of Argyrotaenia citrana (Lepidoptera: Tortricidae). Ann. Entomol. Soc. Am. 83:1148-1151.

Drapek, R, L.B. Coop. 1990. Corn earworm report newsletter IV (1-3). OSU Extension Entomology.

Drapek, R, L.B. Coop, B.A. Croft and G. Fisher. 1990. Improving pheromone trap catch for corn earworm monitoring in Oregon's Willamette Valley. Southwest. Entomol. 15:63-69.

Coop, L.B., R. Drapek, B. Croft and G. Fisher. 1990. CEWSIM: Corn Earworm Damage Simulator. Version 1.5 User's manual. OSU Extension Entomology. 20 pp.

Coop, L.B., B.A. Croft. 1990. GHLSIM: Sahelian grasshopper/crop loss simulation. Workshop on modeling pest-crop Interactions. International Benchmark Sites Network for Agrotechnology Transfer. University of Hawaii Research Extension Series 120:30-31.

Coop, L.B., B.A. Croft, C.F. Murphy, and S.F. Miller. 1991. A decision support system for economic analysis of grasshopper treatment operations in the African Sahel. Crop Protection. 10:485-495.

Dively, G.P. and L.B. Coop. 1992. Millet loss assessment project, Mali, 1990. Project Report. Submitted to United States Agency for International Development Africa Bureau, Washington D.C. Jan. 1992.

Coop, L.B., and B.A. Croft. 1992. Decision tools for grasshopper control. Project report. Submitted to United States Agency for International Development Africa Bureau, Washington, D.C. July 1992.

Coop, L.B., Drapek, R., B.A. Croft, and G. Fisher. 1992. Relationship of corn earworm (Lepidoptera: Noctuidae) pheromone catch and silking to infestation levels in Oregon processing sweet corn. J. Econ. Entomol. 85:240-245.

Coop, L.B., B.A. Croft. 1992. Damage rates to pearl millet by adults of five grasshopper species and Psalydolytta blister beetles in Mali. Tropical Pest Management. 38:201-205.

Coop, L.B., G.P. Dively, A.J. Dreves, and B. Sidibe. 1993. The adjusted length method. In. Jago, N. [ed.] Millet Crop Loss Assessment Methods. Bull. 62. Natural Resources Institute [Overseas Development Administration] Chatham, England. pp. 9-12.

Coop, L.B., G.P. Dively, A.J. Dreves, and N.D. Jago. 1993. Damage recognition. In. Jago, N. [ed.] Millet Crop Loss Assessment Methods. Bull. 62. Natural Resources Institute [Overseas Development Administration] Chatham, England. pp. 48-61.

Coop, L.B., B.A. Croft, and R. Drapek. 1993. A model of corn earworm (Lepidoptera: Noctuidae) development, damage, and crop loss in sweet corn. J. Econ. Entomol. 86:906-916.

Coop, L.B., B.A. Croft. 1993. Pearl millet injury by five grasshopper species (Orthoptera: Acrididae) in Mali. J. Econ. Entomol. 86:891-898.

Horton, D.R., E.C. Burts, T.R. Unruh, J.L. Krysan, L.B. Coop, and B.A. Croft. 1993. Interorchard changes in distribution of winterform pear psylla (Homoptera: Psyllidae) in relation to leaf fall and weather. Ann. Ent. Soc. Am. 86:599:608.

Coop, L.B. and B.A. Croft. 1994. Economic injury levels for Sahelian grasshoppers in millet. 1. Survey of grasshoppers and millet Injury. Nuisibles - Pests - Pragas, CILSS/UCTR/PV Bamako, Mali. 2:81-100.

Coop, L.B., B.A. Croft, H. Riedl, and E.C. Burts. 1994. Geographic information systems and simulation in regional orchard management: pesticide resistance in Hood River Valley, Oregon. Acta Horticulturae 367:383-390.

Horton, D.R., E.C. Burts, T.R. Unruh, J.L. Krysan, L.B. Coop, and B.A. Croft. 1994. Phenology of fall dispersal by winterform pear psylla (Homoptera: Psyllidae) in relation to leaf fall and weather. Canadian Entomologist 126:222-230.

Coop, L.B., B.A. Croft, and J.C. Miller. 1994. Effects of Bacillus thuringiensis kurstaki on non-target Lepidoptera and spiders - Semi-field test. Report submitted to EPA.

Croft, B.A. and L.B. Coop. 1994. IPM of spider mites on strawberry using the biological control agent Neoseiulus fallacis. Northwest Small Fruit Research 2:62-63.

Coop, L.B., B.A. Croft, H. Riedl. 1994. Pear Psylla development of pyrethroid resistance: geographic information systems analysis. Proc. Internat. Colloq. Integrated Control In Pear Orchards. Cesena, Italy. Bulletin IOBC (International Organization For Biological Control), WPRS (West Palearctic Regional Section). 17:43-47.

Coop, L.B. 1995. Survey of integrated pest management in apple: range of practices and level of adoption. IPPC Oregon State Univ. 38 pp.

Horton, D.R., E.C. Burts, T.M. Lewis, and L.B. Coop. 1995. Sticky trap catch of winterform and summerform pear Psylla (Homoptera: Psyllidae) over non-orchard habitats. Pan-Pacific Entomol. 71:176-189.

Croft, B.A. and L. Coop. 1995. IPM of spider mites on strawberry using the biological control agent: Neoseiulus fallacis. NW Small Fruit Conference. p. 14.

Coop, L.B. and B.A. Croft. 1995. Neoseiulus fallacis: dispersal and biological control of Tetranychus urticae following minimal inoculations into a strawberry field. Exper. Appl. Acarol. 19:31-43.

Coop, L.B., R.E. Berry, G. Fisher, and M. Kogan. 1995. Insect pest management in peppermint (IPMP) - version 2.0. Computer Software Publication CS195. Integrated Plant Protection Center. Oregon State University.

Coop, L.B., B.A. Croft. 1995. The influence of dispersal by the predator mite Neoseiulus fallacis on biological control of spider mites in strawberry. Ore. Hort. Soc. Proc. 86:149-159.

Coop, L.B., S. Krall, and B. Sidibe. 1996. Comparison of two methods of crop loss assessment for estimation of spike damage levels in millet. Conference on Crop Loss Assessment, Oct 7-14, 1996, Niamey, Niger. Oregon State University Integrated Plant Protection Center Web Site:

Riedl, H. and L. B. Coop. 1996. Phenology model for Cherry Fruit Fly in Hood River and the Dalles. Cherry Commission Progress Report, Oct. 2, 1996. Oregon State University Integrated Plant Protection Center Web Site:

Coop, L. B., R. Rosetta, and B. A. Croft. 1997. Release calculator and guidelines for Neoseiulus fallacis to control two-spotted spider mites in strawberry. Oregon State University Dept. of Entomology Web Site:

Coop, L. B., R. E. Berry, G. Fisher, and M. Kogan. 1997. Insect pest management in peppermint (IPMP) - www version 1.0. Oregon State University Integrated Plant Protection Center Web Site:

Coop, L. B. 1998. Online IPM weather data and degree-days for pest management decision making in Oregon. Oregon State University Integrated Plant Protection Center Web Site:

Coop, L. B. and D. Upper. 1998. Online daily degree-day maps of Oregon. GIS/mapping and degree-day modeling system for Oregon. Oregon State University Integrated Plant Protection Center Web Site:

Croft, B.A. and L.B. Coop. 1998. Heat units, release rate, prey density, and plant age effects on dispersal by Neoseiulus fallacis (Acari: Phytoseiidae) after inoculation into strawberry. J. Econ. Entomol. 91:94-100.

Coop, L. B. 1998. Oregon pear growers survey (online database analysis system). Oregon State University Integrated Plant Protection Center Web Site:

Coop, L. B. 1999. Online phenology models and degree-day calculator. Version 2.0. Oregon State University Integrated Plant Protection Center Web Site:

Coop, L. B. 1999. Online decision support for IPM. Conf. Proc. IPM in Oregon: Achievements and Future Directions. Oregon State University Integrated Plant Protection Center, April 7, 1999, Corvallis, Oregon.

Coop, L. B. 1999. Phenology Models Research and Delivery for Areawide Tree Fruit IPM. Area Wide Codling Moth Project Report - 1999. Oregon State University Integrated Plant Protection Center Web site:

Coop, L. B. 1999. Area Wide Codling Moth Project Program Evaluation - 1 page grower survey - 1995-1998 Area Wide Codling Moth Project Report - 1999. Oregon State University Integrated Plant Protection Center Web site:

Coop, L. B, M. Kogan and W. Bajwa. 2000. Extending the principles and lessons learned outside the project and to other commodities. In: Areawide Program for Suppression of Codling Moth: Summary of the Effect of 5 Years of Control. Proc. 95th Ann. Wash. State Hortic. Assoc. pp. 176-183.

Coop, L. B. 2000. Oregon degree-day mapping calculator. Version 1.2. Oregon State University Integrated Plant Protection Center Web Site Publication E.04-00-1:

Coop, L. B. 2000. Downscaling algorithm and preliminary documentation for improving resolution of climate maps. IPPC web site

Berry, R. E, G. L. Reed and L. B. Coop. 2000. Identification and Management of Major Pest and Beneficial Insects in Potato. Oregon State University Integrated Plant Protection Center Web Site Publication E.04-00-1:

Berry, R. E and L. B. Coop. 2001. Integrated Pest Management on Peppermint - IPMP 3.0. Oregon State University Integrated Plant Protection Center Web Site Publication E.01-01-1:

Coop, L. B. 2001. Web Publishing System for Pacific Northwest Weed Managment Handbook. William, R. D. Lead Editor. OSU Extension / Integrated Plant Protection Center Web Site Publication E.06-01-1:

Coop, L. B. 2001. Pest Management Decision Tools: Examples of web-based phenology models, GIS, and databases for IPM decision support. IPPC/USDA CSREES Western Region Pest Management Center/PNW Pest Management Coalition Agroecological Regions Workshop: The Application of Watershed, Basin, and Ecoregion Analytical Tools to Pest Management. Integrated Plant Protection Center Web Site Publication E.10-01-1:

Coop, L. B., M. Kogan, W. Bajwa, 2001. Information exhange driven IPM: applied research and decision support. Final Project Report to Western Regional IPM Program - Extension. Integrated Plant Protection Center website

Coop, L. B. 2002. IPPC Grasslinks 3.2b: Public Access GIS. Web interface to maps, databases, and Geographic Information Systems analysis. Coop, L. B. 2002. Web Publishing System for Pacific Northwest Insect Managment Handbook. McGrath, D. Lead Editor. OSU Extension / Integrated Plant Protection Center Web Site Publication E.08-02-1:

Coop, L. B., M. Kogan, and W. Bajwa, 2002. Online Weather Data and Degree-Days: Project Summary 2002. Update to Final Project Report to Western Regional IPM Program - Extension. Integrated Plant Protection Center publication,

Coop, L. B. 2002. Online pear scab and powdery mildew risk model summaries for Hood River and Medford, Oregon. Oregon State University Integrated Plant Protection Center Web Site (e.g. Hood River:

Coop, L. B. 2002. Daily and interactive degree-day maps for the northwest: Idaho, Montana, Oregon, Washington, and Wyoming. Online degree-day modeling and interactive GIS tools. Oregon State University Integrated Plant Protection Center Web Site (e.g. Idaho):

Coop, L. B. 2003. Northwest degree-day mapping calculator. Version 2.0. Oregon State University Integrated Plant Protection Center Web Site Publication E.04-00-1:

Bajwa, W., L. Coop, M. Kogan. 2003. Integrated Pest Management (IPM) and Internet-Based Information Delivery Systems. Neotropical Entomology 32:373-383.

Coop, L. and P. Jepson. Online Site-Specific Degree-Day Predictions Using GIS and Climate Map Technologies. 4th National IPM Symposium/Workshop Poster Abstract, Apr. 2003. Indianapolis Indiana. Available from The Oregon IPM Newsletter, Supplement to Issue No. 1. Integrated Plant Protection Center publication,

Coop, L. B. 2003. Degree-days for Pest Management: Website Decision Making Tools. Proceedings 5th Annual Small Fruit Grower's Workshop. WSU Vancouver, March 19, 2003. pp. 60-62.

Coop, L. B. 2003. IPM Centers - Pacific Northwest Coalition Portal website. Oregon State University Integrated Plant Protection Center Web Site:

Coop, L. B. 2004. Online phenology models and degree-day calculator. Version 3.5. Oregon State University Integrated Plant Protection Center Web Site:

Coop, L. B. 2004. Using Degree-Day Models in Pest Management. Proceedings 6th Annual Small Fruit Grower's Workshop. WSU Vancouver, March 23, 2004. pp. 21-26.

Gringrich, G. A., Me. E. Mellbye, W. F. Pfender and L. B. Coop. 2005. Preliminary evaluation of the effectiveness of the USDA rust model on perennial ryegrass in 2004. 2004 OSU Seed Research Reports.

Coop, L. B. 2005. U. S. degree-day mapping calculator. Version 2.5. Oregon State University Integrated Plant Protection Center Web Site Publication E.05-03-1:

Coop, L. B. 2005. Index to degree-day data and maps of USA. Oregon State University Integrated Plant Protection Center Web Site Publication E.05-03-2: Pfender, W. F., L. B.

Coop, D. Upper. Grass stem rust estimator - 2005 version. Oregon State University Integrated Plant Protection Center Web Site Publication E.05-04-1: http://pnwpest.org/cgi-bin/stemrust1.pl

Spotts, R.A., Serdani, M., and Coop, L.B. 2005. Where has all the pear scab gone? Proceed. Oregon Horticultural Soc. Paper available at pome fruit section at: http://www.oregonhorticulturalsociety.org/newsletter/index.php

Hannaway, D. B., C. Daly, L. Coop, D. Chapman and Y. Wei. 2005. GIS-based forage species adaptation mapping. pp. 319-342 in S. G. Reynolds and J. Frame (eds.) Grasslands: Developments Opportunities Perspectives. FAO and Science Pub. Inc.

Coop, L. B. 2005. Web Publishing System for Pacific Northwest Weed Managment Handbook. 2005 Edition. William, R. Lead Editor. OSU Extension / Integrated Plant Protection Center Web Site Publication E.09-05-1:


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