Plant Science & Botany

The Phytopathogen
Evolution and Adaptation

Editors: Abhijeet Ghatak, PhD
Mohammad Ansar, PhD

The Phytopathogen

Now on press
Pub Date: May 2017
Hardback Price: $189.95 US
Hard ISBN: 9781771884068
E-Book ISBN: 9781315366135
Pages: 500 pp+index
Binding Type: hardback
Notes: 15 color and 39 B/W illustrations

Plant pathology is an exciting area of plant science, creating unprecedented opportunities for research. It has been found that several plant pathogens have emerged due to a changed climatic scenario and are causing severe damage to plants compared with earlier records. So often new phytopathogens emerge and appear primarily in acute form and then take a chronic form; such populations, however, in general have a limited appearance because of the lack of suitable environmental conditions. The emergence of new pathogens needs to be explored in the light of their evolutionary adaptation. This new volume focuses on the study on the quantitative aspects of host-phytopathogen linkages that result in the emergence of aggressive phytopathogens. The book looks in depth at the evolution and adaptation of phytopathogens from several cropping systems.

The Phytopathogen: Evolution and Adaptation consists of various chapters that cover the major thematic areas:

  • the evolutionary process of phytopathogens
  • host selection by phytopathogens
  • adaptability and dispersal of phytopathogens
  • diversity of phytopathogens in natural ecosystems
The book elaborates on one of the important behaviors in pathogens, which is reproduction and how phytopathogens evolve and strengthen their fecundity to survive in adverse situations. In addition, the variability in reproductive fitness and diversification in slowly and rapidly multiplying pathogens are also covered in detail.

Chapters on pathogenesis within Phytophthora spp. of various host origins are explained at great length. This compilation also covers major insect-transmitted, virus-infecting pathogens that affect various crops. Investigations of plant viruses and their conception and anthropogenic actions, such as crop domestication, long-distance movement, and natural habitats exploitation, are also discussed. The formation of new vector-virus relationships and mechanisms involved are defined, and the reproductive strategies that play significant roles are presented in the book. In addition, information on virological aspects provides an overview of the diversity and versatility of vector-transmitted phytopathogens. The importance of diseases and how insects transmit viruses are outlined, to help develop an epidemiological model in insect-transmitted viruses.

This valuable volume aims to provide a better understanding of phytopathogens in the context of evolution. Every aspect of evolutionary adaptation is clearly explained, with examples and illustrations to further elucidate the text.


Part I: Evolutionary Process in Phytopathogen
1. Evolution and Adaptation in Phytopathosystem
Abhijeet Ghatak
2. The Process of Co-Evolution of Plants and Their Pathogens
Bhupendra S. Kharayat and Yogendra Singh
3. Reproductive Fitness of Fungal Phytopathogens: Deriving Co-Evolution of Host Pathogen Systems
Rekha Balodi, Lajja Vati Ghatak, Sunaina Bisht, and Nandani Shukla
4. Evolution in Bio-Control Agents and Its Adaptation to Suppress Soil-Borne Phytopathogen
Md. Arshad Anwer and Kundan Singh
5. Evolution and Adaptation of Phytopathogens in Perspective of Intensified Agroecosystem
Rakesh K. Singh, Anirudha Chattopadhyay, and Sumit K. Pundey

Part II: Host Selection by the Phytopathogen
6. Host-Derived Specificity in Magnaporthe-Phytopathosystem
Mukund Variar, Shamshad Alam, and Jahangir Imam
7. Host Specificity in Phytophthora: A Conundrum or a Key for Control?
Sanjoy Guha Roy
8. Evolution of Host Selectivity, Host Resistance Factors, and Genes Responsible for Disease Development by Streptomyces scabies
Jai S. Patel, Gagan Kumar, Ankita Sarkar, Ram S. Upadhyay, Harikesh B. Singh, and Birinchi K. Sarma
9. Evolution, Adaptation, and Host Selection by Plant Viruses: Current Understanding and Future Perspectives
Abhishek Sharma
10. Host Preference by Evolving Insect Vectors in Relation to Infection of Plant Viruses
Somnath K. Holkar, Pratibha Kaushal, and Sanjeev Kumar

Part III: Adaptability and Dispersal of Phytopathogens
11. Changes in Wheat Physiology and Biochemistry in Context to Pathogen Infection
Pramod Prasad, Subhash C. Bhardwaj, Hanif Khan, Om P. Gangwar, and Subodh Kumar
12. Dispersal and Adaptation of Phytopathogens on the Global and Continental Scales and Its Impact on Plant Diseases
Ashok K. Meena, Shankar L. Godara, and Anand K. Meena
13. Nature, Dissemination and Epidemiological Consequences in Charcoal Rot Pathogen Macrophomina phaseolina
Chanda Kushwaha, Neha Rani, and Arun P. Bhagat

Part IV: Diversity of Phytopathogen in Natural Ecosystem
14. Soil Microbial Community and Their Population Dynamics: Altered Agricultural Practices
Santosh Kumar, Ravi R. Kumar, Mahendra Singh, Errya, Mahesh Kumar, Md. Shamim, Manduparambil S. Nimmy, Vinod Kumar, and Amarendra Kumar
15. Population Diversity of Fusarium spp. and Its Interaction with Plant Growth Promoting Rhizobacteria
Sankarasubramanian Harish, Rajendran Manikandan,
Dhakshinamoorthy Durgadevi, and
Thiruvengadam Raguchander

16. Diversity and Variation in Major Insect Transmitted Viruses Infecting Various Crops
Mohammad Ansar

About the Authors / Editors:
Editors: Abhijeet Ghatak, PhD
Assistant Professor of Plant Pathology, Bihar Agricultural University (BAU), India

Abhijeet Ghatak, PhD, is an Assistant Professor of Plant Pathology at Bihar Agricultural University (BAU), India, where his research currently covers fungal phytopathosystems and implications of nanotechnology as an option for plant disease management. His expertise lies in epidemiology and in helping to set strategy for plant disease management. He is a member of the core research group and research monitoring committee at the BAU. The BAU has recognized Dr. Ghatak as the coordinator of host parasite interaction research. His interests focus on host/organ-specificity, pathogen population variability and disease dynamics, and plant health management. He currently has a number of projects running under his supervision. Dr. Ghatak is also engaged in undergraduate and postgraduate teaching, covering courses related to principles of plant pathology, field and medicinal crop diseases, epidemiology, and forecasting. He received his postgraduate degree in Mycology and Plant Pathology from Banaras Hindu University, Varanasi, India, and acquired his doctorate in Plant Pathology from G. B. Pant University of Agriculture and Technology, Pantnagar, India. Dr. Ghatak has earned experience at the International Rice Research Institute, Philippines, during conduction of his PhD thesis research and has addressed several important issues related to neck blast epidemics in rice.

Mohammad Ansar, PhD
Assistant Professor of Plant Pathology, Bihar Agricultural University (BAU), India

Mohammad Ansar, PhD, is an Assistant Professor at the Department of Plant Pathology in Bihar Agricultural University (BAU), India. At the BAU, he acts as a coordinator of virology research and is engaged in teaching courses related to plant virology, seed health technology, and vegetable diseases. Apart from this, Dr. Ansar is employed as vegetable pathologist in the university. His major research activities focus on vegetable viruses with special interest in characterization, diagnosis, and epidemiology of plant viruses. He is currently a principal investigator of a state government funded project on whitefly- and thrips-transmitted viral diseases in tomato and chili. He earned his postgraduate certificate in Plant Pathology from C. S. Azad University of Agriculture and Technology, Kanpur, India, and his PhD degree in Plant Pathology from G. B. Pant University of Agriculture and Technology, Pantnagar, India. He is an expert on plant diagnosis and phytovirology.

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