Iowa State Journal of Research 49.4

Gale, W.F. Bottom Fauna of a segment of pool 19, Mississippi River, near Fort Madison, Iowa, 1967-1968. 353 Prestemon, D.R., W.J. Goudy, and R.G. Pounds. Assessing attitudes of lower-income, small-town families toward basic housing alternatives. 373 Engel, T.M., and E.S. Takle. Computation of solar altitude and azimuth. 377 Weller, M.W. Studies of cattail in relation to management for marsh wildlife. 383 Knight, H.H., and J.C. Schaffner. Additional species of Lodidea Uhler from Mexico and Guatemala (Hemiptera, Miridae). 413 Muchinsky, P.M. Attitudes of petroleum company executives and college students toward various aspects of the current energy crisis . 423 Symposium on Interdisciplinary Research to Develop Integrated Plant Pest Management Systems. Browing, A.J. Introductory remarks. 431 Mahlstede, J.P. Introductory remarks. 432 Lewis, L.C. Natural regulation of crop pests in their indigenous ecosystems and in Iowa agroecosystems: bioregulation of economic insect pests. 435 Hanson, A.A. Toward ecological stability in the management of plant pests. 447 Pedigo, L.P. Insect threats and challenges to Iowa agroecosystems. 457 Stern, V.M. The bioeconomics of pest control. 467 Thompson, H. Association between plant pests and cultural practices in field crop management. 473 Norton, D.C. Association between plant pests and cultural practices in field crop management: soil-borne diseases. 477 Frey, K.J. Note. 499 Fehr, W.R. Using host resistance to manage pathogen populations. 501 Duvick, D.N. Using host plant resistance to manage pathogen populations: a corn breeder\u27s commentary. 501 Owens, J.C. An explanation of terms used in insect resistance to plants. 513 Guthrie, W.D. Entomological problems involved in developing host-plant resistance programs. 519 Russell, W.A. Breeding and genetics in the control of insect pests. 527 Dicke, F.F. The role of insects in some diseases of maize. 553 Dahm, P.A. Selective insecticides: retrospect and prospect. 559 Epstein, A.H. The role of fungicides in pest management. 565 Huffaker, C. The place and promise of biological management of crop pests. 569 Tachibana, H. The place and promise of biological management of pests in annual cropping systems. 583 Beegle, C.C. Biological control in annual cropping systems. 591 DeMichele, D.W. An evaluation of modeling, systems analysis, and operations research in defining agricultural research needs and priorities. 597 Headley, J.C. The economics of pest management decisions by individual growers. 623 Mahlstede, J.P. Concepts, organization, and funding of interdisciplinary research. 62