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Geminiviruses

Geminiviruses PDF Author: R. Vinoth Kumar
Publisher: Springer
ISBN: 3030182487
Category : Medical
Languages : en
Pages : 240

Book Description
This book provides in-depth information on all key aspects of geminivirus biology, e.g. the genetics and evolution, global diversity and spread of these plant pathogens, as well as the molecular mechanisms underlying their virulence. Geminiviridae is one of the largest viral families, comprising numerous plant-infecting viruses that cause diseases in crops and weeds. These diseases have been reported from nearly all continents, in particular Asia, Europe, Africa and America. The book summarizes the current state of knowledge on the interactions between plant host and virus. In addition, it discusses advances regarding the trans-replication of satellite molecules and its effect on geminiviral pathogenesis, as well as pest management strategies to combat these diseases in the field. Given its scope, the book is a must-read reference guide for all researchers and advanced students working in virology, agriculture and plant biotechnology..

Geminiviruses

Geminiviruses PDF Author: R. Vinoth Kumar
Publisher: Springer
ISBN: 3030182487
Category : Medical
Languages : en
Pages : 240

Book Description
This book provides in-depth information on all key aspects of geminivirus biology, e.g. the genetics and evolution, global diversity and spread of these plant pathogens, as well as the molecular mechanisms underlying their virulence. Geminiviridae is one of the largest viral families, comprising numerous plant-infecting viruses that cause diseases in crops and weeds. These diseases have been reported from nearly all continents, in particular Asia, Europe, Africa and America. The book summarizes the current state of knowledge on the interactions between plant host and virus. In addition, it discusses advances regarding the trans-replication of satellite molecules and its effect on geminiviral pathogenesis, as well as pest management strategies to combat these diseases in the field. Given its scope, the book is a must-read reference guide for all researchers and advanced students working in virology, agriculture and plant biotechnology..

Geminivirus: Detection, Diagnosis and Management

Geminivirus: Detection, Diagnosis and Management PDF Author: R.K. Gaur
Publisher: Academic Press
ISBN: 0323907113
Category : Science
Languages : en
Pages : 704

Book Description
Geminivirus: Detection, Diagnosis and Management focuses on the latest techniques for managing diseases caused by these circular, single-stranded (ss) DNA genomes. The most significant impact of plant diseases in host populations is often caused by emerging diseases, whose incidence in a plant host is increasing as a result of long-term changes in their underlying epidemiology. Genetic changes in pathogen and host populations, as well as changes in host ecology and environment, are major factors contributing to disease emergence. Understanding plant virus evolution is crucial for modeling the within-host and between-host dynamics and genetics of virus populations. The book presents a comprehensive review of how these viruses develop, including contributing factors such as population bottlenecks during cell-to-cell movement, systemic colonization, or between-host transmission by different procedures. Presented in five sections—Detection and Diagnosis, Emergence and Diversity, Vector and Transmission, Virus–Host Interaction, and Disease Management, the book includes host range determinant and virulence factors involved in pathogenesis, virus–vector interactions during acquisition, retention, and transmission and evaluating management strategies to control Geminivirus. The book is an essential reference for students and researchers interested in plant virology, particularly begomoviruses, geminiviruses, and vector transmission biology. - Introduces identification and characterization of geminiviruses that infect agricultural crops, their wild relatives, and weed hosts - Discusses recombination and reassortment mechanisms influencing viral genetic diversity, virulence, and vector transmission - Explores the origin, evolution, and bottlenecks of Geminiviruses - Introduces identification and characterization of geminiviruses that infect agricultural crops, their wild relatives, and weed hosts - Discusses recombination and reassortment mechanisms influencing viral genetic diversity, virulence, and vector transmission - Explores the origin, evolution, and bottlenecks of Geminiviruses

Viral Diseases of Field and Horticultural Crops

Viral Diseases of Field and Horticultural Crops PDF Author: L. P. Awasthi
Publisher: Elsevier
ISBN: 0323909000
Category : Science
Languages : en
Pages : 990

Book Description
Viral Diseases of Field and Horticultural Crops details the fundamental and applied aspects of the viral diseases of field and horticultural crops. The book opens with a historical introduction to plant virology, important plant virologists, and landmarks. It continues with systematic coverage of viral diseases, their economic significance, disease symptoms, host range, mode of transmission, diagnostic techniques, geographic distribution, epidemiology, yield losses, and control and management of the disease. Contributions from an international group of virologists with a wide range of academic, research, professional, and specialized backgrounds in plant virology makes Viral Diseases of Field and Horticultural Crops a comprehensive and must-have resource for those engaged in the study and research of plant virology, microbiology, and plant pathology particularly viral diseases and their impact on field and horticultural crops. - Provides virus characterization according to the disease pattern and symptoms they cause - Covers viral diseases of cereals, oil seeds, legumes, commercial crops, spices and condiments, medicinal and aromatic crops, forage crops, vegetable crops, fruit crops, tree nuts, among others - Discusses advances like applications in nanotechnology, molecular techniques for the detection and characterization of plant viruses, and the development of technologies for detecting plant viruses

Legume Breeding in Transition: Innovation and Outlook

Legume Breeding in Transition: Innovation and Outlook PDF Author: Rafiul Amin Laskar
Publisher: Frontiers Media SA
ISBN: 2832521614
Category : Science
Languages : en
Pages : 419

Book Description
Legumes (family Fabaceae) comprise a diverse range of crops grown worldwide, which are important constituents of sustainable agriculture and harbour a role in improving human and livestock health. Legumes serve as a rich source of plant-based proteins, rank second in nutrition value after cereals, and are ideal to supplement a protein-deficient cereal-based human diet. Legumes also provide other essential services to agriculture through their ability to fix atmospheric nitrogen, recycle nutrients, enhance soil carbon content, and diversify cropping systems. Legume production and seed quality are affected by a range of biotic (pests, insect diseases, and weeds) and abiotic stresses (drought, heat, frost, and salinity). In addition to this, rapidly changing climate, shrinking arable land, erratic rainfalls, and depleting water and other natural resources impact legume production and threaten food and nutrition security worldwide. Persistent demand for legume crops is existing to fulfil the food requirements of an ever-growing human population. Therefore, legume breeders and geneticists have employed different conventional and modern breeding strategies to improve yield, resistance to biotic and abiotic stresses, grain quality, and nutritional and nutraceutical properties. Conventional breeding strategies are laborious, time consuming, expensive, and inefficient to achieve the desired goals. However, advanced breeding techniques such as alien gene introgression, genomics-assisted breeding, transgenic technology, speed breeding, association and mapping studies, genome editing, and omics will contribute to sustainable agriculture and food security.

Plant Virus and Viroid Diseases in the Tropics

Plant Virus and Viroid Diseases in the Tropics PDF Author: K. Subramanya Sastry
Publisher: Springer Science & Business Media
ISBN: 940076524X
Category : Science
Languages : en
Pages : 389

Book Description
Plant virus and sub-viral pathogens pose severe constraints to the production of wide range of economically important crops worldwide. The crops raised both through true seed and vegetative propagated materials are affected with number of virus and virus-like diseases. The virus may enter into plants through seed planting materials or by vectors. Once the virus is in the field, it multiplies and spreads following definite patterns depending upon the nature of the vector and agro-meteorological conditions. Disease free crops and plants are great economic and social importance in feeding the world's population. Detection of virus and sub-viral agents at initial stages of infection is critical to reduce economic losses. For nearly two decades, ELISA and its variants played a major role in large scale virus testing and also in the production of virus-free planting materials.

Molecular and Biological Analysis of Two Rupestris Stem Pitting-associated Virus (RSPaV) Isolates Obtained from Diseased Syrah and Pinot Noir Grapevines

Molecular and Biological Analysis of Two Rupestris Stem Pitting-associated Virus (RSPaV) Isolates Obtained from Diseased Syrah and Pinot Noir Grapevines PDF Author: Mirtes Freitas Lima
Publisher:
ISBN:
Category : Grapes
Languages : en
Pages : 394

Book Description


Begomoviruses: Occurrence and Management in Asia and Africa

Begomoviruses: Occurrence and Management in Asia and Africa PDF Author: Sangeeta Saxena
Publisher: Springer
ISBN: 9811059845
Category : Science
Languages : en
Pages : 332

Book Description
Begomoviruses are one of the most interesting plant viruses to study for basic and applied research as they cause huge economic losses to agriculture industries and farmers all over the world. They belong to family Geminiviridae and are emergent plant viral pathogens which cause diseases in various crops in the tropical and subtropical regions. They are transmitted by the whitefly (B. tabaci) and have either one (monopartite DNA-A) or two (bipartite DNA-A and DNA-B) genomic components. DNA-A and DNA-B are of ~2600 - 2800 nucleotides each. A number of serious diseases of cultivated crops of the Fabaceae, Malvaceae, Solanaceae and Cucurbitaceae families are caused by Begomoviruses which are considered as threat to their cultivation in many countries. Accurate diagnosis is important for successful diseases management, since plants infected by Begomovirus do not recover, suffer serious yield losses and act as further sources of inoculum, which is then picked up and spread by their vector whitefly (B. tabaci). Reports of occurrence of new viruses and re-emergence of several known viruses in new niches have become regular event. In such a dynamic system, growth of several crop species relies on an accurate diagnosis, management and better understanding of the biology of the casual virus. This is crucial to evolve appropriate control practices and to prevent the virus infection. Researchers have achieved considerable progress in characterization, detection and management of virus on different crop species in the last decade. This book covers latest information in diagnosis of begomoviruses in the present scenario and explores the new vistas in the field of genomics and proteomics. Chapters in Section 1 illustrates the occurrence, genome organisation, transmission and diagnostics of begomoviruses. It also details the diseases caused by begomoviruses on different crops, detection techniques and management strategies in support of research findings by presentation of data, graphics, figures and tables. Section 2 is a chapterwise collection of occurrence, diversity and status of begomoviruses in Asian Africa counties where the diseases are most prevalent. This book will provide wide opportunity to the readers to have complete information and status of begomovirus in Asia and Africa. This will be useful resource for researchers and extension workers involved in the begomvirus disease diagnosis and molecular biology. Expert detection, accurate diagnosis and timely management play a significant role in keeping plants free from pathogens. In this book expert researchers share their research knowledge and literature which are vital towards the diagnosis of begomoviruses, addressing traditional plant pathology techniques as well as advanced molecular diagnostic approach. The book deals with the economically important crops including fruits, vegetables along with challenges in crop protection against diseases caused by begomovirus. This will be resourceful and handy for researcher, practitioners and also students.

Potential Pulses

Potential Pulses PDF Author: Rahul Chandora
Publisher: CABI
ISBN: 1800624638
Category : Science
Languages : en
Pages : 362

Book Description
The fight against global hunger demands a fresh perspective. Lesser-known legumes, often called 'potential pulses', can play a pivotal role. These underutilized powerhouses, including adzuki bean, bambara groundnut, faba bean, cowpea, grass pea and horse gram, among others, are currently untapped resources. Their potential goes beyond their ability to thrive in harsh environments (caused by high temperature, drought, etc.) and fix nitrogen. With increased understanding of these legumes and their genetic and genomic potential, we can unlock a new world of sustainable and nutritious food sources. Focusing on the untapped genetic and genomic potential of these legumes, this book empowers researchers, breeders, and policymakers to unlock a new era of food and nutritional security. By leveraging the power of their genes, we can transform underutilized pulses into the nutritional heroes of tomorrow.

Control of Plant Virus Diseases

Control of Plant Virus Diseases PDF Author: Gad Loebenstein
Publisher: Academic Press
ISBN: 9780128012468
Category : Science
Languages : en
Pages : 0

Book Description
The first review series in virology and published since 1953, Advances in Virus Research covers a diverse range of in-depth reviews, providing a valuable overview of the field. The series of eclectic volumes are valuable resources to virologists, microbiologists, immunologists, molecular biologists, pathologists, and plant researchers. Volume 90 features articles on control of plant virus diseases.

The Beans and the Peas

The Beans and the Peas PDF Author: Aditya Pratap
Publisher: Woodhead Publishing
ISBN: 0128214449
Category : Technology & Engineering
Languages : en
Pages : 316

Book Description
The Beans and the Peas: From Orphan to Mainstream Crops presents a comprehensive literature resource on the most important food legume crops previously known as "orphans," but which are increasingly becoming mainstream as their production opportunities have been improved through genetic improvement and biotechnology, and their role as an important nutrient source gains urgency. This book focuses on 12 important food legumes and discusses all relevant aspects on their economic importance, crop statistics, botany, and their general description. It also provides exhaustive information on plant genetic resources and their use, genetic improvement, resistance to biotic and abiotic stresses, improved varieties, agronomy, seed system, and use of information and communication tools in each individual food legume.Development of innovative biotechnological tools, genetic transformation, and the genome sequencing information has also been covered in each chapter providing the readers with state-of-the-art information on pulses. All chapters have been supported by relevant figures, illustrations, and tables, which make the contents accessible and easy to understand.Each of the chapters has been authored by globally known scientists/researchers presenting up-to-date information on various aspects of food legumes. This book provides a current and comprehensive treatise to the readers and will be tremendously helpful in furthering their academic and research pursuits. - Provides a single-volume resource on the most important food legumes having a prominent role in food and nutritional security - Written by experts with a focus on providing foundational information for further research and development - Presents both theoretical aspects and application-based case studies - Supported by relevant figures, illustrations, and tables