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Author : Steve Brown
Publisher :
ISBN 13 :
Total Pages : 14 pages
Book Rating : 4.:/5 (319 download)
Download or read book Tomato Spotted Wilt of Peanut written by Steve Brown and published by . This book was released on 1999 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Robert S. Halliwell
Publisher :
ISBN 13 :
Total Pages : 9 pages
Book Rating : 4.:/5 (228 download)
Download or read book Tomato Spotted Wilt Virus Disease of Peanut written by Robert S. Halliwell and published by . This book was released on 1990 with total page 9 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Texas Agricultural Experiment Station
Publisher :
ISBN 13 :
Total Pages : 9 pages
Book Rating : 4.:/5 (632 download)
Download or read book Tomato Spotted Wilt Virus Disese of Peanut written by Texas Agricultural Experiment Station and published by . This book was released on 1990 with total page 9 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 4 pages
Book Rating : 4.:/5 (525 download)
Download or read book Managing Tomato Spotted Wilt Virus in Peanuts in North Carolina and Virginia written by and published by . This book was released on 2002 with total page 4 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Clarence Bagayao Codod
Publisher :
ISBN 13 :
Total Pages : 450 pages
Book Rating : 4.:/5 (112 download)
Download or read book Impact of Spatial and Temporal Factors on Tomato Spotted Wilt Disease to Refine Peanut Rx written by Clarence Bagayao Codod and published by . This book was released on 2019 with total page 450 pages. Available in PDF, EPUB and Kindle. Book excerpt: Spotted wilt disease, caused by the thrips-vectored Tomato spotted wilt virus (TSWV), is an important disease affecting peanuts in the southeastern United States. Peanut Rx is a risk index that allows growers to determine and avoid combinations of production practices that are conducive severe spotted wilt epidemics. However, the intensity of spotted wilt disease varies among fields having the same risk category depending on location and year as documented in this study. To account for the variability in spotted wilt intensity, a 'thrips risk factor' was created based on location- and year-specific predictions of peak thrips dispersal from the 'Thrips Infestation Predictor Tool for cotton'. A 'modified Peanut Rx' was developed through the integration of the 'thrips risk factor' into the risk index which provided a better risk assessment than Peanut Rx. With it, peanut growers can directly account for the thrips vector in assessing their risk of spotted wilt in order to determine the suitable production practices that would help them avoid severe epidemics and yield losses.
Download or read book Evaluation of Cultural Practices to Reduce the Incidence of Tomato Spotted Wilt Virus (TSWV) in North Carolina Peanut (Arachis Hypogaea). written by and published by . This book was released on 2003 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Tomato Spotted Wilt virus (TSWV), a thrips-vectored virus, has recently become one of the most devastating pathogens of peanut (Arachis hypogaea) in North Carolina. North Carolina peanut growers saw a dramatic increase in infestations of TSWV in 2000. Certain cultural techniques in Georgia have shown to lessen the amount of virus, and these were evaluated to determine their effect on TSWV incidence. The production systems are discrete between the runner-type peanuts grown in GA and the virginia-type peanuts in NC, thereby requiring that these practices be evaluated in the NC. Treatments included plant populations, varieties, twin and single row plantings, reduced tillage, planting dates, and in-furrow insecticides. During the growing seasons of 2001 and 2002, treatments compared were plant populations of 7, 13, and 17 plants per meter of row; varieties Gregory, NC V-11, and Perry; twin and single rows; conventional tillage and strip tillage; early and late planting dates; and phorate and aldicarb. Research plots were scouted for visual symptoms of TSWV monthly in 2001, and weekly in 2002. In 2001, symptomatic plants were tested for presence of the virus using the ImmunoStrip test system (Agdia, Elkhart, IN). High plant populations had less virus than lower plant populations, Gregory was infected with less virus than either NC V-11 or Perry, twin rows had a lower amount of virus compared to single rows, preliminarily strip tillage has had less virus than conventional tillage, and peanut treated with in-furrow phorate had less incidence of virus than those treated in-furrow with aldicarb.
Author : Sulistio Sukamto
Publisher :
ISBN 13 :
Total Pages : 110 pages
Book Rating : 4.:/5 (36 download)
Download or read book Thrips and Wild Host Plants Associated with Tomato Spotted Wilt Disease of Peanut in Mississippi written by Sulistio Sukamto and published by . This book was released on 1993 with total page 110 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Maria João Pereira
Publisher :
ISBN 13 :
Total Pages : 178 pages
Book Rating : 4.:/5 (33 download)
Download or read book Tomato Spotted Wilt Virus in Peanut (Arachis Hypogaea L.) written by Maria João Pereira and published by . This book was released on 1993 with total page 178 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Amanda Claire Kaye
Publisher :
ISBN 13 :
Total Pages : 75 pages
Book Rating : 4.:/5 (423 download)
Download or read book Population Genetic Analysis of Tomato Spotted Wilt Virus (TSWV) on Peanut in North Carolina and Virginia written by Amanda Claire Kaye and published by . This book was released on 2009 with total page 75 pages. Available in PDF, EPUB and Kindle. Book excerpt: Keywords: recombination, peanut, population genetics, Tomato spotted wilt virus.
Author : Kenya Kay Kresta
Publisher :
ISBN 13 :
Total Pages : 176 pages
Book Rating : 4.:/5 (266 download)
Download or read book ELISA Determination of Thrips-vectored Tomato Spotted Wilt Virus Distribution in Peanut Foliage written by Kenya Kay Kresta and published by . This book was released on 1991 with total page 176 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Jorge Javier Baldessari
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (664 download)
Download or read book Genetics of Tomato Spotted Wilt Virus Resistance in Peanut (Arachis Hypogaea L.) written by Jorge Javier Baldessari and published by . This book was released on 2008 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: ABSTRACT: Tomato spotted wilt virus (TSWV, Bunyaviridae:Tospovirus) is a major peanut pathogen in the USA. Its management involves, among other factors, the use of resistant cultivars and recommended planting dates.
Author : Sara Elizabeth Pelham
Publisher :
ISBN 13 :
Total Pages : 298 pages
Book Rating : 4.:/5 (1 download)
Download or read book Use of Unmanned Aerial Systems for Assessing Tomato Spotted Wilt Virus and Leaf Spot Diseases in Peanut Mapping Populations written by Sara Elizabeth Pelham and published by . This book was released on 2017 with total page 298 pages. Available in PDF, EPUB and Kindle. Book excerpt: Tomato spotted wilt virus (TSWV) and late leaf spot (LLS), caused by Cercosporidium personatum, are important diseases affecting peanuts (Arachis hypogaea L.). One of the most promising ways to combat these diseases is with resistant cultivars created through the development of recombinant inbred lines allowing for the discovery of resistance genes. These mapping populations can be very large making phenotyping time consuming and difficult; the objectives of this research aim to increase the efficiency of phenotyping methods. Field experiments were conducted to compare genotypes from multiple mapping populations for resistance to the two diseases as well as evaluate the use of unmanned aerial systems (UASs) and their ability to increase efficiency when phenotyping TSWV and LLS. Juvenile plants were also evaluated for resistance to LLS. Results indicated that some populations showed more resistance to disease than other and UASs proved to be helpful in the phenotyping of mapping populations. Parental lines evaluated were also susceptible to infection by C. personatum at a very early age.
Author : Christie Anne Hurt
Publisher :
ISBN 13 :
Total Pages : 99 pages
Book Rating : 4.:/5 (529 download)
Download or read book Evaluation of Cultural Practices to Reduce the Incidence of Tomato Spotted Wilt Virus (TSWV) in North Carolina Peanut (Arachis Hypogaea) written by Christie Anne Hurt and published by . This book was released on 2003 with total page 99 pages. Available in PDF, EPUB and Kindle. Book excerpt: Keywords: Frankliniella fusca, tobacco thrips, cultural controls.
Author : D. V. R. Reddy
Publisher :
ISBN 13 : 9789290661955
Total Pages : 20 pages
Book Rating : 4.6/5 (619 download)
Download or read book Bud Necrosis written by D. V. R. Reddy and published by . This book was released on 1991 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : N. Kokalis-Burelle
Publisher : American Phytopathological Society
ISBN 13 :
Total Pages : 130 pages
Book Rating : 4.:/5 (89 download)
Download or read book Compendium of Peanut Diseases written by N. Kokalis-Burelle and published by American Phytopathological Society. This book was released on 1997 with total page 130 pages. Available in PDF, EPUB and Kindle. Book excerpt: Compendium of Peanut Diseases, Second Edition is a guide to the identification, diagnosis, and control of peanut diseases and disorders. Bringing together color photographs and authoritative information in a single volume, this convenient compendium is a valuable resource for peanut growers and crop consultants around the world.This compendium has become a standard guidebook for the peanut industry. The contributors are an international group that includes 50 peanut experts from the United States, India, The Peoples Republic of China, Malawi, Australia, Israel, and South Africa. They offer advice on diseases and disorders found in each of the world's major peanut-growing regions.Detailed descriptions of 55 peanut diseases are the core of the book. Covering diseases caused by fungi, bacteria, nematodes, and viruses, these descriptions present detailed information on symptoms, causal organisms, disease cycle, control, host range, transmission, detection, and epidemiology. In addition to diseases, the compendium also describes peanut disorders caused by environmental stress, insects and arthropods, and parasitic flowering plants. Other sections of the compendium cover beneficial organisms, organisms with an undetermined relationship to peanuts, disease management strategies, genetic modification, and a listing of disease and insect resistant cultivars currently available for use by growers and breeders.
Download or read book Population Genetic Analysis of Tomato Spotted Wilt Virus (TSWV) on Peanut in North Carolina and Virginia written by and published by . This book was released on 2004 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Exploring the genetic diversity and evolutionary history of plant viruses is critical to understanding their ecology and epidemiology. Tomato spotted wilt virus (TSWV) is an ambisense RNA virus that infects over 1000 species of plants and has been shown to reassort its genome. To further investigate this virus, maximum-likelihood and population genetics-based methods were used to investigate the population structure, genetic diversity, and sources of genetic variation in field isolates of TSWV from peanut in North Carolina and Virginia. Selected regions of the nucleocapsid, movement, and RNA-dependent RNA polymerase genes were amplified and sequenced to identify haplotypes and infer genetic relationships between isolates of TSWV with heuristic methods. The haplotype structure of each locus consisted of one or two predominant haplotypes and more than 100 haplotypes represented by a single isolate. No specific haplotypes or clades were associated with geographic area, peanut cultivar or year. The population was panmictic at the regional level and high levels of genetic diversity were observed among isolates. There was evidence for negative selection acting upon each locus and maximum-likelihood analyses indicated that exponential growth was occurring in the population. The results of compatibility analyses and the persistence of specific gene sequences in isolates collected over three field seasons suggest that recombination was occurring in the population. Phylogenetic analysis supports that each locus has an independent evolutionary history. Also, high diversity in viruses has been attributed to the occurrence of recombination and mutation To investigate recombination in TSWV, matrix compatibility and ancestral recombination methods were used to detect, quantify, and reconstruct the history of recombination in three genes of TSWV in isolates collected from three cultivars of peanut (Gregory, NC12C, and Perry) sampled in multiple years. Site commonalities among the i.
Author : Gad Loebenstein
Publisher : Academic Press
ISBN 13 : 0123943140
Total Pages : 596 pages
Book Rating : 4.1/5 (239 download)
Download or read book Viruses and Virus Diseases of Vegetables in the Mediterranean Basin written by Gad Loebenstein and published by Academic Press. This book was released on 2012-06-25 with total page 596 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume of Advances in Virus Research focuses on mycoviruses. The authors and reviews represent the most current and cutting-edge research in the field. A broad range of research is presented from research experts. Contributions from leading authorities Informs and updates on all the latest developments in the field
