Download or read book Organic Management of Mexican Bean Beetle Epilachna Varivestis Mulsant in Snap Bean Phaseolus Vulgaris L written by and published by . This book was released on 2008 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
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 Studies of the Mexican Bean Beetle in the Southeast written by Neale F. Howard and published by . This book was released on 1924 with total page 72 pages. Available in PDF, EPUB and Kindle. Book excerpt: Of control recommendations. pp. 48.
Download or read book The Mexican Bean Beetle in the East and Its Control written by and published by . This book was released on 1960 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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 Life History and Control of the Mexican Bean Beetle written by Frank Lincoln Thomas and published by . This book was released on 1924 with total page 104 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Controlling the Mexican Bean Beetle written by United States. Entomology Research Division and published by . This book was released on 1968 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Habits Life History and Control of the Mexican Bean Beetle in New Mexico written by James Robert Douglass and published by . This book was released on 1933 with total page 1178 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Simulating the Development of Mexican Bean Beetle Immature Stages Epilachna Varivestis Mulsant Coleoptera Coccinellidae on Dry Beans written by Yuqing Fan and published by . This book was released on 1991 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt: A computer model was developed to simulate and predict the phenology of Mexican bean beetle (MBB), Epilachna varivestis Mulsant, populations on dry beans, Phaseolus vulgaris. Time-varying distributed developmental rates of the egg, four larval instars, and pupal stages were simulated with degree day models, based on a standardized cumulative probability distribution function from a range of constant temperature experiments. Predictions from the simulation model provided a good fit to the observed constant temperature data and field experiments. Using temperature data in the form of daily maximums and minimums, the model can be used to predict the occurrence of immature MBB stages under field conditions, when the frequency distribution of egg mass recruitment is known.
Download or read book Biology and Control of the Mexican Bean Beetle Epilachna Varivestis Mulsant written by Maynard Jack Ramsay and published by . This book was released on 1942 with total page 256 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Mexican Bean Beetle written by United States. Animal and Plant Health Inspection Service. Plant Protection and Quarantine Programs and published by . This book was released on 1981 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Control of the Mexican Bean Beetle in Irrigated Districts in the West written by Robert L. Wallis and published by . This book was released on 1944 with total page 20 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 Field Crop Arthropod Pests of Economic Importance written by Peter A. Edde and published by Academic Press. This book was released on 2021-08-21 with total page 1004 pages. Available in PDF, EPUB and Kindle. Book excerpt: Field Crop Arthropod Pests of Economic Importance presents detailed descriptions of the biology and ecology of important arthropod pest of selected global field crops. Standard management options for insect pest control on crops include biological, non-chemical, and chemical approaches. However, because agricultural crops face a wide range of insect pests throughout the year, it can prove difficult to find a simple solution to insect pest control in many, if not most, cropping systems. A whole-farm or integrated pest management approach combines cultural, natural, and chemical controls to maintain insect pest populations below levels that cause economic damage to the crop. This practice requires accurate species identification and thorough knowledge of the biology and ecology of the target organism. Integration and effective use of various control components is often enhanced when the target organism is correctly identified, and its biology and ecology are known. This book provides a key resource toward that identification and understanding. Students and professionals in agronomy, insect detection and survey, and economic entomology will find the book a valuable learning aid and resource tool. Includes insect synonyms, common names, and geographic distribution Provides information on natural enemies Is thoroughly referenced for future research
Download or read book The Mexican Bean beetle written by George Milton List and published by . This book was released on 1921 with total page 66 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Mexican Bean Beetle written by Christopher Jay Oswald and published by . This book was released on 1995 with total page 4 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book A Bibliography of the Mexican Bean Beetle Epilachna Varivestis Mulsant Coleoptera Coccinellidae written by David Homer Buck and published by . This book was released on 1974 with total page 468 pages. Available in PDF, EPUB and Kindle. Book excerpt:
