Download or read book Genetic Variation of the European Corn Borer Ostrinia Nubilalis H bner Lepidoptera Crambidae written by Lilian A. Saldanha and published by . This book was released on 2000 with total page 300 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Assessment of the Genetic Structure Variability and Gene Flow of the European Corn Borer Ostrinia Nubilalis H bner Lepidoptera Crambidae written by Jeffrey T. Krumm and published by . This book was released on 2005 with total page 426 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Genetic Characterization of Differences Between Two Distinct Voltine Populations of the European Corn Borer Ostrinia Nubilalis H bner Lepidoptera Crambidae written by Cengiz Ikten and published by . This book was released on 2002 with total page 220 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Dispersal and Mating System of European Corn Borer Ostrinia Nubilalis H bner Lepidoptera Crambidae in Relation to Bt Resistance Management written by Yang Hu and published by . This book was released on 2008 with total page 432 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Spatial Distribution of the European Corn Borer Ostrinia Nubilalis H bner Lepidoptera Crambidae and Response of Its Parasitoid Macrocentrus Grandii Goidanich Hymenopter Braconidae to Host Spatial Heterogeneity written by Cynthia Lee Hsu and published by . This book was released on 2007 with total page 310 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Dispersion Distribution and Subsequent Infestations of the European Corn Borer Ostrinia Nubilalis H bner Among Southern Minnesota Corn Fields written by David E. Legg and published by . This book was released on 1983 with total page 316 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Ecological Studies of the European Corn Borer Lepidoptera Crambidae written by Brendon James Reardon and published by . This book was released on 2006 with total page 206 pages. Available in PDF, EPUB and Kindle. Book excerpt: Transgenic, insecticidal corn hybrids (Bt corn) are a tactic for managing European corn borer, Ostrinia nubilalis (Hübner), in North America. To slow development of Bt-com resistance, an Insect Resistance Management plan requires monitoring and nearby refugia. We examined the effect of feeding diet incorporated with Cry1Ab on growth, development, and survival of Nosema-infected and uninfected O. nubilalis. Increasing concentrations of Cry1Ab in diet reduced larval growth and development rates, and this phenomenon was amplified by microsporidiosis. This work demonstrates that it is important to determine whether pathogens are present when monitoring resistance. Pheromone-baited traps are used in O. nubilalis studies. However, differences in captures may be confounded by design, location relative to a windbreak, and changes in local weather. We examined differences in captures among wing traps, bucket/funnel traps, Hartstack wire-mesh cone traps, as well as among three cone trap designs. Second, we examined the influence of cone-trap location relative to windbreaks on numbers of moths captured. Third, we examined the relationship between nightly mean air temperature, relative humidity, wind speed, precipitation, and numbers of moths captured in cone traps. Numbers of moths captured was significantly influenced by trap design, with cone traps capturing the most moths. Under strong or moderate wind speeds, traps located leeward of windbreaks captured the most moths, but when wind speeds were light, traps not associated with windbreaks captured the most moths. Changes in numbers of moths captured on a given night were related weakly to weather. Air temperature parameters were consistently most influential in the regression models, and their relationship with moth captures was positive. Determining the appropriate distance between refugia and Bt corn, and development of mitigation-remediation strategies, requires knowledge of adult dispersal and mating behavior. We examined influences of pheromone lure, plant density, and plant species on distributions of feral and newly-emerged, laboratory-reared O. nubilalis among small-grain aggregation plots. The majority of adults did not colonize aggregation plots, suggesting that recently-eclosed adults leave their natal field and do not colonize the first aggregation sites encountered. Mass releases of laboratory-reared pupae in the field may not be a viable resistance-remediation tactic.

Download or read book Effect of Event 176 Bt Corn on Survival and Development of Second Generation European Corn Borer Larvae Ostrinia Nubilalis H bner lepidoptera Crambidae written by Amelia C. Zoerb and published by . This book was released on 2001 with total page 64 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book A Partial Life Table of the European Corn Borer Ostrinia Nubilalis H bner Lepidoptera Pyralidae in Central Illinois written by Gary Edward Tatro and published by . This book was released on 1981 with total page 54 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Molecular Markers for Characterization and Identification of European Corn Borer Ostrinia Nubilalis H bner Lepidoptera Crambidae and Screwworm Cochliomyia Hominivorax Coquerel Diptera Calliphoridae written by Leela Alamalakala and published by . This book was released on 2002 with total page 288 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book European Corn Borer Ostrinia Nubilalis Hubner Detection Methods Lepidoptera written by Florida. Dept. of Agriculture and Consumer Services. Division of Plant Industry and published by . This book was released on 1972 with total page 5 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Geographic Variation in Egg Development of European Corn Borer Ostrinia Nubilalis Hubner written by Jianbo Li and published by . This book was released on 1989 with total page 180 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Phenology of the European Corn Borer Ostrinia Nubilalis Hubner Lepidoptera Pyralidae in Virginia written by Joseph L. Despins and published by . This book was released on 1982 with total page 130 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Genetic Variation of European Corn Borer in Delaware and Genetic Comparison with Asian Corn Borer written by Yansong Ni and published by . This book was released on 1995 with total page 118 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Quantitative Trait Loci for First and Second generation European Corn Borer Resistance in Maize written by Chaba Jampatong and published by . This book was released on 1999 with total page 160 pages. Available in PDF, EPUB and Kindle. Book excerpt: European corn borer (ECB), Ostrinia nubilalis Hübner, family Crambidae, order Lepidoptera, is a serious insect pest of maize (Zea mays L.) in the United States. Losses to farmers resulting from ECB damage and control costs exceed $1 billion each year. An understanding of the genetic basis for ECB resistance should increase the efficiency of breeding for insect resistant varieties. The objectives of this study were to determine the number, genomic positions, and genetic effects of quantitative trait loci (QTL) conferring resistance to the first- and second-generation of European corn borer (1ECB, 2ECB), and to observe QTL × environment interactions. The study included 244 F 2-3 families derived from the cross of B73 (susceptible) × Mo47 (resistant). Evaluating resistance against 1ECB, plants were manually infested at the eight- to ten-leaf stage of plant development. Leaf feeding damage was assessed three weeks after infestation with a visual rating scale. Evaluation for resistance to 2ECB involved manually infesting at anthesis stage of plant development. Approximately seven weeks later, stalks were split lengthwise and number and the length of tunnels visually estimated in inches. Plant height and rind penetrometer resistance were measured two weeks after flowering. Quantitative trait loci analyses for individual environments and combined across three environments were performed by composite interval mapping using QTL Cartographer. For 1ECB leaf feeding, nine QTLs were identified on chromosomes 1(three QTLs), 2, 4 (two QTLs), 5, 6, and 8. Seven QTLs for resistance to 2ECB tunnel length were found on chromosomes 2, 5 (two QTLS), 6 (two QTLs), 8, and 9. Twelve QTLs for resistance to 2ECB tunnel length adjusted for plant height were identified on chromosomes 1 (two QTLs), 2, 3 (two QTLs), 5, 6 (three QTLs), 8, 9, and 10. In addition, QTLs were identified for tunnel number (16 QTLS), plant height (11 QTLs) and rind penetrometer resistance (nine QTLs). In this experiment, a total of 47 QTLs for all traits were mapped in three individual environments and combined over environments. Nine (19%) QTLs were expressed in all three environments and combined, 17 (36%) were expressed in two environments and combined, and 21 (45%) were expressed only in single environment and combined. Inconsistency of QTLs across environments suggested need for breeders awareness when selecting markers linked to QTLs for marker-assisted selection (MAS). Further study on consistency of QTLs across populations is needed before applied breeding programs can fully utilized QTL information.

Download or read book Encyclopedia of Insects written by Vincent H. Resh and published by Academic Press. This book was released on 2009-07-22 with total page 1169 pages. Available in PDF, EPUB and Kindle. Book excerpt: Awarded Best Reference by the New York Public Library (2004), Outstanding Academic Title by CHOICE (2003), and AAP/PSP 2003 Best Single Volume Reference/Sciences by Association of American Publishers' Professional Scholarly Publishing Division, the first edition of Encyclopedia of Insects was acclaimed as the most comprehensive work devoted to insects. Covering all aspects of insect anatomy, physiology, evolution, behavior, reproduction, ecology, and disease, as well as issues of exploitation, conservation, and management, this book sets the standard in entomology. The second edition of this reference will continue the tradition by providing the most comprehensive, useful, and up-to-date resource for professionals. Expanded sections in forensic entomology, biotechnology and Drosphila, reflect the full update of over 300 topics. Articles contributed by over 260 high profile and internationally recognized entomologists provide definitive facts regarding all insects from ants, beetles, and butterflies to yellow jackets, zoraptera, and zygentoma. 66% NEW and revised content by over 200 international experts New chapters on Bedbugs, Ekbom Syndrome, Human History, Genomics, Vinegaroons Expanded sections on insect-human interactions, genomics, biotechnology, and ecology Each of the 273 articles updated to reflect the advances which have taken place in entomology research since the previous edition Features 1,000 full-color photographs, figures and tables A full glossary, 1,700 cross-references, 3,000 bibliographic entries, and online access save research time Updated with online access

Download or read book Insect Resistance Management written by David W. Onstad and published by Academic Press. This book was released on 2013-10-08 with total page 561 pages. Available in PDF, EPUB and Kindle. Book excerpt: Neither pest management nor resistance management can occur with only an understanding of pest biology. For years, entomologists have understood, with their use of economic thresholds, that at least a minimal use of economics was necessary for proper integrated pest management. IRM is even more complicated and dependent on understanding and using socioeconomic factors. The new edition of Insect Resistance Management addresses these issues and much more. Many new ideas, facts and case studies have been developed since the previous edition of Insect Resistance Management published. With a new chapter focusing on Resistance Mechanisms Related to Plant-incorporated Toxins and heavily expanded revisions of several existing chapters, this new volume will be an invaluable resource for IRM researchers, practitioners, professors and advanced students. Authors in this edition include professors at major universities, leaders in the chemical and seed industry, evolutionary biologists and active IRM practitioners. This revision also contains more information about IRM outside North America, and a modeling chapter contains a large new section on uncertainty analysis, a subject recently emphasized by the U.S. Environmental Protection Agency. The final chapter contains a section on insecticidal seed treatments. No other book has the breadth of coverage of Insect Resistance Management, 2e. It not only covers molecular to economic issues, but also transgenic crops, seed treatments and other pest management tactics such as crop rotation. Major themes continuing from the first edition include the importance of using IRM in the integrated pest management paradigm, the need to study and account for pest behavior, and the influence of human behavior and decision making in IRM. Provides insights from the history of insect resistance management (IRM) to the latest science Includes contributions from experts on ecological aspects of IRM, molecular and population genetics, economics, and IRM social issues Offers biochemistry and molecular genetics of insecticides presented with an emphasis on recent research Encourages scientists and stakeholders to implement and coordinate strategies based on local social conditions