Download or read book Development of an IPM system for the mexican bean beetle Epilachna varivestis Mulsant as a pest of dry bean Phaseolus vulgaris L written by J. A. F. Barrigossi and published by . This book was released on 1997 with total page 252 pages. Available in PDF, EPUB and Kindle. Book excerpt: During 1994 to 1996, studies were conducted in western Nebraska, to develop a pest management program for mexican ean beetle (Epilachna varivestis Mulsant) in dry bean (Phaseolus vulgaris L.) based on egg mass sampling. A sampling survey to describe the spatial and probality distributions of egg masses produced a data set of 12,290 egg mass samples from four fields over two years. Semivariograms showed no sign of aggregation, even trough the presence of macroscale trends indicated that mexican bean beetle egg densities may be greater in areas of the field near edges adjacent to beetle overwintering sites. Egg masses had a negative binomial distribution. Life tables were development by following know mexican bean beetle cohorts (egg masses) in three fields in each of two years. High mortality occurred in the egg and first two larval stages. Egg mortality was related to drought-stressed bean plants, because stressed plants turn over their leaves and expose eggs to sunlight. The cumulative mortality ranged from 92,07% to 95,82%, in 1995 and from 60,89% to 75,6% in 1996. No parasitized larvae were observed in the study fields or those held for parasitism tests. Yield-loss relationships for mexican bean beetle on dry bean were determined in a third study. Results from a series of experiments were combined with data from the other two studies to develop economic injury levels (EILs) and economic thresholds (ETs) and a sequential sampling program for mexican bean beetle. The EILs calculated in larvae/tow-m were converted to egg masses/row-m and adjusted to reflect the average survivorship to the adult stage. Because sampling in based on egg masses, growers can make management decisions anda take management actions before significant injury will occur. An interactive spreadsheet was developed to calculate mexican bean beetle EILs, ETs, and sequential sampling plans. The spreadsheet allows users to input economic and other data specific to heir situation. The pest management tools presented in this work should provide a useful for management programs for other insects pests in other systems.
Download or read book Development of an IPM System for the Mexican Bean Beetle Epilachna Varivestis Mulsant as a Pest of Dry Bean Phaseolus Vulgaris L written by José Alexandre Freitas Barrigossi and published by . This book was released on 1997 with total page 252 pages. Available in PDF, EPUB and Kindle. Book excerpt: Spatial analysis of mexican bean beetle (Coleoptera: Coccinellidae) egg mass population in dry beans; Life tables and larval dispersal of mexican bean beetle (Coleoptera: Coccinellidae) on dry beans in the high plains; Economic injury levels and sequential sampling plans for mexican bean beetle in dry beans.
Download or read book Dissertation Abstracts International written by and published by . This book was released on 1998 with total page 816 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book American Doctoral Dissertations written by and published by . This book was released on 1997 with total page 806 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Bean Ladybird and Its Control written by Frank Hurlbut Chittenden and published by . This book was released on 1919 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt: The bean crop of the Southwest suffers severe injury from the bean ladybird, which sometimes ruins entire crops. It is restricted to beans for food and attacks all kinds. Both beetles and their larvæ devour all parts of the plant -- leaves, flowers and pods -- but the chief injury is to the foliage. The pest can be controlled in small areas by hand-picking the overwintered beetles and by brushing the larvæ or young from the plants during hot, dry weather. On a larger scale it may be controlled by spraying with arsenite of zinc, arsenate of lead, or arsenate of lime. Clean cultivation should be practiced and early and late planting."--[2].
Download or read book The Toxicity of Insecticidal Dust Diluents and Carriers to Larvae of the Mexican Bean Beetle Epilachna Varivestis Muls written by Charles Robert Hunt and published by . This book was released on 1947 with total page 310 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Synergistic Action of Rotenonepiperonyl Combinations Against the Mexican Bean Beetle written by Richard Chapell Back and published by . This book was released on 1951 with total page 232 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book UC IPM Pest Management Guidelines dry Beans written by L. D. Godfrey and published by . This book was released on 2002 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Studies of Two Nitroparaffin Compounds as Insecticides for Control of the Mexican Bean Beetle Epilachna Varivestis written by Guyon Augustus Smith and published by . This book was released on 1950 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Effect of the Ectoparasitic Mite Coccipolipus Epilachnae Smiley on the Feeding Fecundity and Longevity of Soybean fed Adult Mexican Bean Beetles Epilachna Varivestis Mulsant at Different Temperatures written by Robert Conway Hochmuth and published by . This book was released on 1981 with total page 38 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Mexican Bean Beetle written by John J. Davis and published by . This book was released on 1925 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Sequential Methods and Their Applications written by Nitis Mukhopadhyay and published by CRC Press. This book was released on 2008-10-28 with total page 512 pages. Available in PDF, EPUB and Kindle. Book excerpt: Interactively Run Simulations and Experiment with Real or Simulated Data to Make Sequential Analysis Come AliveTaking an accessible, nonmathematical approach to this field, Sequential Methods and Their Applications illustrates the efficiency of sequential methodologies when dealing with contemporary statistical challenges in many areas.The book fir
Download or read book Integrated Pest Management written by Rajinder Peshin and published by Springer. This book was released on 2009-04-29 with total page 1324 pages. Available in PDF, EPUB and Kindle. Book excerpt: This interdisciplinary text offers updated knowledge on pest management. It discusses dissemination and impact on a range of crops across the globe on industrialized and subsistence level farms. It also explores the effect of the green revolution on IPM.
Download or read book Biological Control in Latin America and the Caribbean written by Joop C. van Lenteren and published by CABI. This book was released on 2019-12-21 with total page 552 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book summarizes the history of biological control in Latin America and the Caribbean. Few publications provide historical detail and the records are, therefore, fragmented until now. By bringing information together in this book, we offer a more complete picture of important developments in biological control on this continent. There are a wealth of text, tables and references about the history of such projects, and which were succesful and which failed. This will help plan future biocontrol projects. An overview is provided of the current situation in biological control for many Latin American and Caribbean countries, revealing an astonishing level of practical biological control applied in the regio, making it the largest area under biological control worldwide. The final part describes new developments and speculates about the future of biological control in Latin America and the Caribbean.
Download or read book Insecticides with Novel Modes of Action written by Isaac Ishaaya and published by Springer Science & Business Media. This book was released on 2013-06-29 with total page 442 pages. Available in PDF, EPUB and Kindle. Book excerpt: The future of insect control looked very bright in the 1950s and 1960s with new insecticides constantly coming onto the market. Today, however, whole classes of pesticide chemistry have fallen by the wayside due to misuse which generated resistance problems reaching crisis proportions, severe adverse effects on the environment, and public outcry that has led to increasingly stricter regulation and legislation. It is with this background, demanding the need for safer, environmentally friendly pesticides and new strategies to reduce resistance problems, that this book was written. The authors of the various chapters have a wealth of experience in pesticide chemistry, biochemical modes of action, mechanism of resistance and application, and have presented concise reviews. Each is actively involved in thedevelopment of new groups of pesticide chemistry which led to the development of novel insecticides with special impact in controlling agricultural pests. Emphasis has been given to insecticides with selective properties, such as insect growth regulators hormone mimics, ecdysone agonists), (chitin synthesis inhibitors, juvenile chloronicotinyl insecticides (imidacloprid, acetamiprid), botanical insecticides (neem, plant oils), pymetrozine, diafenthiuron, pyrrole insecticides, and others. The importance of these compounds, as components in integrated pest management programs and in insecticide resistance management strategies, is discussed. The data presented are essential in establishing new technologies and developing novel groups of compounds which will have impact on our future agricultural practices.
Download or read book Ecofriendly Pest Management for Food Security written by Omkar and published by Academic Press. This book was released on 2016-02-03 with total page 764 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ecofriendly Pest Management for Food Security explores the broad range of opportunity and challenges afforded by Integrated Pest Management systems. The book focuses on the insect resistance that has developed as a result of pest control chemicals, and how new methods of environmentally complementary pest control can be used to suppress harmful organisms while protecting the soil, plants, and air around them. As the world’s population continues its rapid increase, this book addresses the production of cereals, vegetables, fruits, and other foods and their subsequent demand increase. Traditional means of food crop production face proven limitations and increasing research is turning to alternative means of crop growth and protection. Addresses environmentally focused pest control with specific attention to its role in food security and sustainability. Includes a range of pest management methods, from natural enemies to biomolecules. Written by experts with extensive real-world experience.
Download or read book Atlas of Common Bean Phaseolus Vulgaris L Production in Africa written by Charles S. Wortmann and published by CIAT. This book was released on 1998 with total page 129 pages. Available in PDF, EPUB and Kindle. Book excerpt: Classifying environments of bean production areas in Africa; Socio-Economic aspects of bean production; Cropping systems; Distribution of bean seed types; Bean diseases; Bean insect pests; Abiotic constraints.
