Magagement Of Macrophomina Root Rot Of Mungbean

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Macrophomina Phaseolina

Author : Pankaj Kumar
Publisher : Elsevier
ISBN 13 : 0443154449
Total Pages : 390 pages
Book Rating : 4.4/5 (431 download)

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Book Synopsis Macrophomina Phaseolina by : Pankaj Kumar

Download or read book Macrophomina Phaseolina written by Pankaj Kumar and published by Elsevier. This book was released on 2023-06-08 with total page 390 pages. Available in PDF, EPUB and Kindle. Book excerpt: Macrophomina Phaseolina: Ecobiology, Pathology and Management provides insights into the sustainable prevention and treatment of this wide-spread challenge to plant health. With a focus on agricultural as well as non-food plant challenges, the book highlights diverse approaches and provides central insights. The pathogen?of M. phaseolina affects the fibrovascular system of roots and basal internodes of its host, impeding the transport of water and nutrients to the upper parts of the plant, thus resulting in progressive wilting, premature drying and dying, loss of vigor, and reduced yield. Finally, the book explores the interaction of M. phaseolina with soil, microbes and ecological conditions to control disease-causing strategies. Recognizing the necessity that strategies applied to manage the disease should have no or minimum effect on ecological resources, the book focuses on alternative sustainable management technologies such as mix-cropping, the use of antagonistic bacteria and fungi and microbial biosurfactants, plant growth promoting antagonistic rhizobacteria and how cultural practices may also play an important role. - Identifies plant diseases caused by Macrophomina phaseolina - Explores M. phaseolina genetic diversity - Highlights pesticide tolerance and alternative control options

Standard System for the Evaluation of Bean Germplasm

Author : Aart van Schoonhoven
Publisher : CIAT
ISBN 13 : 9788489206694
Total Pages : 60 pages
Book Rating : 4.2/5 (66 download)

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Book Synopsis Standard System for the Evaluation of Bean Germplasm by : Aart van Schoonhoven

Download or read book Standard System for the Evaluation of Bean Germplasm written by Aart van Schoonhoven and published by CIAT. This book was released on 1987 with total page 60 pages. Available in PDF, EPUB and Kindle. Book excerpt: Standart evaluation scale and its use; Developmental stages of the common bean plant; Measurement of general agronomic characteristics; Measurement of damage caused by diseases; Measurement of damage caused by nematodes; Measurement of damage caused by arthropods; Measurement of tolerance to soil and climatic factores.

Diseases of Field Crops Diagnosis and Management

Author : J. N. Srivastava
Publisher : CRC Press
ISBN 13 : 1000439119
Total Pages : 385 pages
Book Rating : 4.0/5 (4 download)

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Book Synopsis Diseases of Field Crops Diagnosis and Management by : J. N. Srivastava

Download or read book Diseases of Field Crops Diagnosis and Management written by J. N. Srivastava and published by CRC Press. This book was released on 2020-05-16 with total page 385 pages. Available in PDF, EPUB and Kindle. Book excerpt: Plant diseases cause yield loss in crop production, poor quality of produce, and great economic losses as well. Knowledge of the perpetuation and spread of the pathogens and various factors affecting disease development is an important need. Disease diagnosis is the prime requirement for determining preventive or curative measures for effective disease management. This new 2-volume set, Diseases of Field Crops, helps to fill the need for research on plant diseases, their effects, how they spread, and effective management measures to mitigate their harmful consequences. The volumes in this set showcase recent advances in molecular plant pathology and discuss appropriate diagnostic techniques for identification of causal agents and diseases, providing the information necessary to establish management strategies. The chapters in these two volumes include detailed description of symptoms, causal organisms, disease cycles, epidemiology, and management techniques of economically important diseases. The volumes explore existing strategies and offer new methods that can be used in an integrated manner and with a comprehensive approach for the management of major diseases of the field crops. Also taken into consideration is the impact of global climate change on the spread and severity of plant diseases. This volume covers pulses, oil seeds, narcotics, and sugar crops. Each of the chapters focuses on one crop, with a detailed account of symptoms, causal organisms, disease cycles, epidemiology, and management of the diseases caused by fungi, bacteria and viruses. Some crops discussed include green gram, chickpeas and peas, lentils, soybeans, groundnuts, sunflowers, sugarcane, tobacco, and others. Volume 1 focuses on cereals, small millets, and fiber crops.

The Epidemiology of Plant Diseases

Author : B. Michael Cooke
Publisher : Springer Science & Business Media
ISBN 13 : 1402045816
Total Pages : 584 pages
Book Rating : 4.4/5 (2 download)

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Book Synopsis The Epidemiology of Plant Diseases by : B. Michael Cooke

Download or read book The Epidemiology of Plant Diseases written by B. Michael Cooke and published by Springer Science & Business Media. This book was released on 2006-06-18 with total page 584 pages. Available in PDF, EPUB and Kindle. Book excerpt: Plant disease epidemiology is a dynamic science that forms an essential part of the study of plant pathology. This book brings together a team of 35 international experts. Each chapter deals with an essential component of the subject and allows the reader to fully understand how each exerts its influence on the progress of pathogen populations in plant populations over a defined time scale. This edition has new, revised and updated chapters.

Management of Fungal Pathogens in Pulses

Author : Bhim Pratap Singh
Publisher : Springer Nature
ISBN 13 : 3030359476
Total Pages : 227 pages
Book Rating : 4.0/5 (33 download)

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Book Synopsis Management of Fungal Pathogens in Pulses by : Bhim Pratap Singh

Download or read book Management of Fungal Pathogens in Pulses written by Bhim Pratap Singh and published by Springer Nature. This book was released on 2020-02-03 with total page 227 pages. Available in PDF, EPUB and Kindle. Book excerpt: Pulses have played a major role in human diet and are considered a rich source of proteins. But, the major constraints in achieving the yield of pulses are the occurrences of various diseases and pests. Hence, there is a need to understand major fungal pathogens and their management strategies for sustainable agriculture. The major pulse crops in India and other Asian countries are bengal gram, pigeon pea, black gram, green gram, lentil and peas, which are attacked by several pathogens that cause considerable crop damage. Bengal gram is affected mainly by wilt (Fusarium oxysporum f. sp. ciceri), blight (Mycosphaerella pinodes) and rust (Uromyces ciceris-arietini). The main diseases of pigeon pea are wilt (Fusarium oxysporum) and Phytophtora stem blight (Phytophthora drechsleri f. sp. cajani). Powdery mildew (Erysiphe polygoni) and rust (Uromyces vicia-fabae) are the most important diseases affecting the production of pea. This volume offers details like symptoms, distribution, pathogens associated, predisposing factors and epidemiology, sources of resistance and holistic management of diseases with particular reference to those of economic importance. Several minor diseases of lentil, green gram and of black gram are discussed with their detailed and updated information. This volume provides pooled information regarding the management of major fungal phytopathogens affecting pulses.

Innovative Approaches in Diagnosis and Management of Crop Diseases

Author : R. K. Singh
Publisher : CRC Press
ISBN 13 : 1000407780
Total Pages : 426 pages
Book Rating : 4.0/5 (4 download)

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Book Synopsis Innovative Approaches in Diagnosis and Management of Crop Diseases by : R. K. Singh

Download or read book Innovative Approaches in Diagnosis and Management of Crop Diseases written by R. K. Singh and published by CRC Press. This book was released on 2021-09-28 with total page 426 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is the second of the 3-volume Innovative Approaches in Diagnosis and Management of Crop Diseases, which provides an abundance of new research and information on major diseases of various crops along with new techniques and technology for the detection of plant pathogens along with appropriate management strategies. Divided into three volumes and with chapters written by renowned and expert scientists working in different areas of plant pathology, the volumes cover important diseases of crops, incited by bacteria, fungi, viruses, viroids, phytoplasma, and nematodes. It addresses these disease challenges to commercial field and horticultural crops and their management. Innovative Approaches in Diagnosis and Management of Crop Diseases: Volume 2 focuses on recent advances in diagnosis, detection, and management of diseases of specific crops, such as cotton, sesame, rice, wheat, millet, maize, field pea and pigeonpea, ginger and turmeric, guava, aonla, and vegetable cruciferous crops. Key features: Presents diverse research of leading plant pathologists on detection, diagnosis, and management of crop diseases Shares innovative and emerging techniques for diagnosis and management of major plant diseases Covers a vast array of important crops and their diseases Volume 1 of this multi-volume set focuses on the Mollicute class of bacteria. It looks at the detection, diagnosis, and management of phytoplasma diseases and viroids, CRISPR-Cas9 genome editing in plants for virus resistance, next-generation sequencing technologies, and more, while Volume 3 reviews the advances in the uses of nanomolecules and biocontrol agents. Diagnosis and management of biotic stresses play a pivotal role in efficient agriculture production, and together, these volumes of Innovative Approaches in Diagnosis and Management of Crop Diseases provide informative reviews of crucial research to effectively advance the detection, diagnosis, and management of crop diseases.

Seed-Borne Diseases of Agricultural Crops: Detection, Diagnosis & Management

Author : Ravindra Kumar
Publisher : Springer Nature
ISBN 13 : 9813290463
Total Pages : 860 pages
Book Rating : 4.8/5 (132 download)

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Book Synopsis Seed-Borne Diseases of Agricultural Crops: Detection, Diagnosis & Management by : Ravindra Kumar

Download or read book Seed-Borne Diseases of Agricultural Crops: Detection, Diagnosis & Management written by Ravindra Kumar and published by Springer Nature. This book was released on 2020-05-18 with total page 860 pages. Available in PDF, EPUB and Kindle. Book excerpt: The global population is increasing rapidly, and feeding the ever-increasing population poses a serious challenge for agriculturalists around the world. Seed is a basic and critical input in agriculture to ensure global food security. Roughly 90 percent of the crops grown all over the world are propagated by seed. However, seed can also harbour and spread pathogens, e.g. fungi, bacteria, nematodes, viruses etc., which cause devastating diseases. Seed-borne pathogens represent a major threat to crop establishment and yield. Hence, timely detection and diagnosis is a prerequisite for their effective management. The book "Seed-Borne Diseases of Agricultural Crops: Detection, Diagnosis & Management" addresses key issues related to seed-borne/transmitted diseases in various agricultural crops. Divided into 30 chapters, it offers a comprehensive compilation of papers concerning: the history of seed pathology, importance of seed-borne diseases, seed-borne diseases and quarantine, seed health testing and certification, detection and diagnosis of seed-borne diseases and their phytopathogens, host-parasite interactions during development of seed-borne diseases, diversity of seed-borne pathogens, seed-borne diseases in major agricultural crops, non-parasitic seed disorders, mechanisms of seed transmission and seed infection, storage fungi and mycotoxins, impact of seed-borne diseases on human and animal health, and management options for seed-borne diseases. We wish to thank all of the eminent researchers who contributed valuable chapters to our book, which will be immensely useful for students, researchers, academics, and all those involved in various agro-industries.

Sustainable Management of Soil and Environment

Author : Ram Swaroop Meena
Publisher : Springer Nature
ISBN 13 : 9811388326
Total Pages : 411 pages
Book Rating : 4.8/5 (113 download)

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Book Synopsis Sustainable Management of Soil and Environment by : Ram Swaroop Meena

Download or read book Sustainable Management of Soil and Environment written by Ram Swaroop Meena and published by Springer Nature. This book was released on 2019-10-02 with total page 411 pages. Available in PDF, EPUB and Kindle. Book excerpt: Fertilizers have been used extensively around the globe since the Green Revolution, due to the high subsidies. However, extensive fertilizer use exacerbates soil degradation and causes yield stagnation, and as a result threatens food security and soil sustainability, especially in developing countries. This means that sustainable soil and environmental management are vital to provide food and nutritional security for present and future generations. This has led to the International Union of Soil Science (IUSS) declaring 2015-2024 the International Decade of Soils. This book focuses on the impact of sustainable management of soil and environment on improving the functioning of soil-ecosystems and agronomic productivity, and also discusses food security, nutrient cycling, recent advances in INM technologies, eco-friendly cultivation, agricultural practices to reduce greenhouse gas (GHG) emissions, as well as conservation agriculture and its effects, and strategies for soil sustainability. Offering a comprehensive overview of management in the context of the sustainability of soil and the agroecosystems that it supports, it demonstrates the options available and provides insights into restoring soil health and matching soil nutrient supply with crop demand to ensure nutritional security in an eco-friendly environment.

Biocontrol Potential and its Exploitation in Sustainable Agriculture

Author : R. K. Upadhyay
Publisher : Springer Science & Business Media
ISBN 13 : 9780306464607
Total Pages : 332 pages
Book Rating : 4.4/5 (646 download)

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Book Synopsis Biocontrol Potential and its Exploitation in Sustainable Agriculture by : R. K. Upadhyay

Download or read book Biocontrol Potential and its Exploitation in Sustainable Agriculture written by R. K. Upadhyay and published by Springer Science & Business Media. This book was released on 2000 with total page 332 pages. Available in PDF, EPUB and Kindle. Book excerpt: Plant based biotechnology has come to represent a means of mitigating the problems of global food security in the twenty-first century. Products and processes in agriculture are increasingly becoming linked to science and cutting edge technology, to enable the engineering of what are in effect, designer plants. One of the most successful , non-chemical approaches to pest management and disease control is biological control, which seeks a solution in terms of using living organisms to regulate the incidence of pests and pathogens, providing a natural control' while still maintaining the biological balance with the ecosystem. This volume, (the first of two), addresses the different types of biocontrol for different pests, namely, crop diseases, weeds and nematodes, and details the biology of both the pest and its enemies, which is vital for efficient use of biological control. The book has numerous contributors who are authorities in their fields, and would be an asset to those who have interest in sustainable agriculture and crop productivity.

Microbial Mitigation of Stress Response of Food Legumes

Author : N. Amaresan
Publisher : CRC Press
ISBN 13 : 1000047008
Total Pages : 251 pages
Book Rating : 4.0/5 ( download)

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Book Synopsis Microbial Mitigation of Stress Response of Food Legumes by : N. Amaresan

Download or read book Microbial Mitigation of Stress Response of Food Legumes written by N. Amaresan and published by CRC Press. This book was released on 2020-03-31 with total page 251 pages. Available in PDF, EPUB and Kindle. Book excerpt: Microbial Mitigation of Stress Responses of Food Legumes provides knowledge on the impact of abiotic and biotic stress on the agriculture of grain legumes especially pulses and it critically reviews the cutting-edge research in exploring plant microbe interactions to mitigate the stress. It helps in understanding the fundamentals of microbial-mediated management of abiotic and biotic stress in grain legumes. Salient features: Describes the usefulness of microbiome of plant/insects for enhancing the production of grain legumes Focuses on recent advances in microbial methods for mitigating the stress and their application in sustainability of legume production Provides a unique collection of microbial data for the improvement of legume productivity Details microbial metabolites at the gene and molecule levels for plant stress management The reader will get all essential and updated information on various stress factors, crop responses, and microbial-mediated stress management for better food legume production.

Root Rots of Beans in Latin America and Africa

Author : George Samuel Abawi
Publisher : CIAT
ISBN 13 : 9789589183144
Total Pages : 128 pages
Book Rating : 4.1/5 (831 download)

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Book Synopsis Root Rots of Beans in Latin America and Africa by : George Samuel Abawi

Download or read book Root Rots of Beans in Latin America and Africa written by George Samuel Abawi and published by CIAT. This book was released on 1990 with total page 128 pages. Available in PDF, EPUB and Kindle. Book excerpt: Major root rots of beans in Latin America and Africa; Minor root rots of beans in Latin America and Africa; Unreported root rots of beans in Latin America and Africa; Diagnosis of root rots in beans; Selected methodologies and techniques for research on root rots of beans; Management strategies for control of root rots of beans.

Biocontrol Potential and its Exploitation in Sustainable Agriculture

Author : Rajeev K. Upadhyay
Publisher : Springer Science & Business Media
ISBN 13 : 146154209X
Total Pages : 299 pages
Book Rating : 4.4/5 (615 download)

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Book Synopsis Biocontrol Potential and its Exploitation in Sustainable Agriculture by : Rajeev K. Upadhyay

Download or read book Biocontrol Potential and its Exploitation in Sustainable Agriculture written by Rajeev K. Upadhyay and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 299 pages. Available in PDF, EPUB and Kindle. Book excerpt: Plant based biotechnology has come to represent a means of mitigating the problems of global food security in the twenty-first century. Products and processes in agriculture are increasingly becoming linked to science and cutting edge technology, to enable the engineering of what are in effect, designer plants. One of the most successful , non-chemical approaches to pest management and disease control is biological control, which seeks a solution in terms of using living organisms to regulate the incidence of pests and pathogens, providing a natural control' while still maintaining the biological balance with the ecosystem. This volume, (the first of two), addresses the different types of biocontrol for different pests, namely, crop diseases, weeds and nematodes, and details the biology of both the pest and its enemies, which is vital for efficient use of biological control. The book has numerous contributors who are authorities in their fields, and would be an asset to those who have interest in sustainable agriculture and crop productivity.

Microbiology for Sustainable Agriculture, Soil Health, and Environmental Protection

Author : Deepak Kumar Verma
Publisher : CRC Press
ISBN 13 : 1351247050
Total Pages : 408 pages
Book Rating : 4.3/5 (512 download)

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Book Synopsis Microbiology for Sustainable Agriculture, Soil Health, and Environmental Protection by : Deepak Kumar Verma

Download or read book Microbiology for Sustainable Agriculture, Soil Health, and Environmental Protection written by Deepak Kumar Verma and published by CRC Press. This book was released on 2019-03-18 with total page 408 pages. Available in PDF, EPUB and Kindle. Book excerpt: With contributions from a broad range of experts in the field, this volume, Microbiology for Sustainable Agriculture, Soil Health, and Environmental Protection, focuses on important areas of microbiology related to soil and environmental microbiology associated with agricultural importance. The information and research on soil and environmental microbiology presented here seeks to act as a gateway to sustaining and improving agriculture and environmental security. Part I focuses on soil microbiology, dealing extensively with studies on the isolation, culture, and use of Rhizobium spp. and mycorrhizae to improve soil fertility, plant growth, and yield. This includes research progress on biogeochemical cycles, plant growth promoting rhizobacteria (PGPR), microbial interactions in soil and other soil activities, microbial diversity in soil, biological control and bioremediation, and improvement of beneficial microorganisms (N2 fixers, phosphate solubilizers, etc.). Part 2 goes on to focus on microbiology for crop disease management and pathogenic control in sustainable environment, with chapters on disease management of agricultural and horticultural crop plants through microbial control and how microbial control may a be a potential solution for a sustainability in agriculture. Part 3, Microbiology for Soil Health and Crop Productivity Improvement, features a chapter on the activity and mechanism of nitrogenase enzyme in soil, which is very important for soil health and crop production and productivity. Part 4 presents two chapters entirely devoted to the environmental pollution and its control, looking at the interaction of microbes in aqueous environments and eco-friendly approaches. There is an urgent need to explore and investigate the current shortcomings and challenges of the current innovations and challenges in agricultural microbiology. This book helps to fill that need. This volume will be valuable to those involved with agricultural microbiology, including students, instructors, and researchers.

Phytobiomes: Current Insights and Future Vistas

Author : Manoj Kumar Solanki
Publisher : Springer Nature
ISBN 13 : 981153151X
Total Pages : 410 pages
Book Rating : 4.8/5 (115 download)

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Book Synopsis Phytobiomes: Current Insights and Future Vistas by : Manoj Kumar Solanki

Download or read book Phytobiomes: Current Insights and Future Vistas written by Manoj Kumar Solanki and published by Springer Nature. This book was released on 2020-07-10 with total page 410 pages. Available in PDF, EPUB and Kindle. Book excerpt: To satisfy the food demands of the global population, advanced technology based research is needed, that can extract the information from the plant metabolism and microbial gene pool and use it for improving plant health and productivity. Modern biotechnological tools have the ability to unlock the limitations of agricultural practices. However, the application of these tools is not well equipped. Moreover, eco-friendly agriculture by microbial inoculants is known to have positive influences on soil/plant health. Therefore it is relevant to explore the plant associated microbial niches, especially endophytes, epiphytes, and soil microbes and understand how they are benefitting each other. It can open new insights to develop sustainable agriculture practices by using consortia of microbes as plant helpers that recover the imbalanced agriculture systems and manage pathogenic diseases. This book presents the updates about the plant associated microbiomes and their contemporary uses. It covers the knowledge gap between soil and plant helper microbiomes and their application in the agriculture and allied sectors. Modern insights of phytobiomes are explored in various chapters on a variety of interrelated aspects of the fascinating areas like plant microbial interaction, integrated pest management, soil fertility intensification, sustainable crop production, and disease management. Sections in the book describe how to plant beneficial microbiomes have been utilized for sustainable green farming, with the aim to resolve the global food problem without harming the soil and environment health. This book is intended for everyone who is involved in agriculture, microbial biotechnology, bioinformatics, and all disciplines related to microbial biotechnology. These include academic students, scientists, and researchers at universities, institutes, industries, and government organizations who want to understand microbial linkages in a shorter time. It contains basic information that will be help to the non-specialist readers to understand progressive research.

Sustainable Crop Disease Management using Natural Products

Author : Sangeetha Ganesan
Publisher : CABI
ISBN 13 : 1780643233
Total Pages : 425 pages
Book Rating : 4.7/5 (86 download)

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Book Synopsis Sustainable Crop Disease Management using Natural Products by : Sangeetha Ganesan

Download or read book Sustainable Crop Disease Management using Natural Products written by Sangeetha Ganesan and published by CABI. This book was released on 2015-11-16 with total page 425 pages. Available in PDF, EPUB and Kindle. Book excerpt: Alternative methods of disease control such as natural products and compounds derived from biological origins, provide an effective alternate to the use of chemical products or a means to minimize their use. It is imperative now to look for such sustainable crop disease management approaches, that include routine and alternative methods. Natural products for sustainable crop disease management is an effort in this direction, and deals with immediate concerns in the field of natural and alternative products for disease control, apart from using biocontrol organisms. This book presents up-to-date information on natural products and compounds derived from biological origins and thoroughly discusses their applicability, field use and prospects for adoption under different cropping conditions. This book also validates disease management strategies.

Allelopathy

Author : Zahid A. Cheema
Publisher : Springer Science & Business Media
ISBN 13 : 3642305954
Total Pages : 513 pages
Book Rating : 4.6/5 (423 download)

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Book Synopsis Allelopathy by : Zahid A. Cheema

Download or read book Allelopathy written by Zahid A. Cheema and published by Springer Science & Business Media. This book was released on 2012-09-17 with total page 513 pages. Available in PDF, EPUB and Kindle. Book excerpt: Allelopathy is an ecological phenomenon by which plants release organic chemicals (allelochemicals) into the environment influencing the growth and survival of other organisms. In this book, leading scientists in the field synthesize latest developments in allelopathy research with a special emphasis on its application in sustainable agriculture. The following topics are highlighted: Ecological implications, such as the role of allelopathy during the invasion of alien plant species; regional experiences with the application of allelopathy in agricultural systems and pest management; the use of microscopy for modeling allelopathy; allelopathy and abiotic stress tolerance; host allelopathy and arbuscular mycorrhizal fungi; allelopathic interaction with plant nutrition; and the molecular mechanisms of allelopathy. This book is an invaluable source of information for scientists, teachers and advanced students in the fields of plant physiology, agriculture, ecology, environmental sciences, and molecular biology.

Disease Management in Arid Land Crops

Author : S. Lodha
Publisher : Scientific Publishers
ISBN 13 : 9387741370
Total Pages : 455 pages
Book Rating : 4.3/5 (877 download)

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Book Synopsis Disease Management in Arid Land Crops by : S. Lodha

Download or read book Disease Management in Arid Land Crops written by S. Lodha and published by Scientific Publishers. This book was released on 2008-06-01 with total page 455 pages. Available in PDF, EPUB and Kindle. Book excerpt: Like other agro climatic zones of India, crops in arid region also suffer enormously due to vagaries of plant diseases. Certain agro-climatic conditions favor occurrence and development of these diseases, which often takes a serous form resulting in heavy crop losses. Instances are there when growers have abandoned cultivation of cumin, a cash crop, which suffered heavily due to wilt and shifted to less remunerative or more irrigation requiring crops. Even several folk songs depict the plight of cumin growers. Similarly, concurrent soil moisture and heat stress favor survival and multiplication of soil-borne plant pathogens that causes root rots in many legumes, oilseeds and trees. As arid lands are brought under irrigation, several newer or hitherto unimportant diseases have also became serious. With the burgeoning population pressure, arid region is now confronted with producing more grain and fodder per unit of land. Besides cultivation of drought hardy varieties of crops under improved agronomic practices, management of plant diseases is yet another area, which can accept this challenge to maximize productivity of arid lands. In the present compendium, contributions were invited from experienced research workers working in specialized Institutes. An effort has been made to provide information on the occurrence of major diseases on principal cereals, legumes, oilseeds, spices, horticultural crops, trees, medicinal plants, etc, and on factors influencing their development and practical remedial measures to reduce crop losses.