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Pathologicl Physiological And Toxicological Investigations On Macrophominon Phaseolina Tassi Goid Incitant Of Charcoal Rot Of Sorghum
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Book Synopsis Pathologicl, Physiological and Toxicological Investigations on Macrophominon Phaseolina (Tassi) Goid Incitant of Charcoal Rot of Sorghum by : T. Ganga Nageswar Rao
Download or read book Pathologicl, Physiological and Toxicological Investigations on Macrophominon Phaseolina (Tassi) Goid Incitant of Charcoal Rot of Sorghum written by T. Ganga Nageswar Rao and published by . This book was released on 1979 with total page 94 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Physiological Pathology of Charcoal Rot of Sorghum Incited by Macrophomina Phaseolina (Tassi) Goid by : B. Venkata Rao
Download or read book Physiological Pathology of Charcoal Rot of Sorghum Incited by Macrophomina Phaseolina (Tassi) Goid written by B. Venkata Rao and published by . This book was released on 1982 with total page 58 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Variation in Macrophomina Phaseolina (Tassi) Goid, Causing Charcoal Rot of Sorghum by : SUBRAMANIAM J
Download or read book Variation in Macrophomina Phaseolina (Tassi) Goid, Causing Charcoal Rot of Sorghum written by SUBRAMANIAM J and published by . This book was released on 1994 with total page 178 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Studies on the Effect of Rhizosphere on Development of Charcoal Rot in Sorghum and Saprophytic Survival of Macrophomina Phaseolina (Tassi) Goid). by : G. Sekhar
Download or read book Studies on the Effect of Rhizosphere on Development of Charcoal Rot in Sorghum and Saprophytic Survival of Macrophomina Phaseolina (Tassi) Goid). written by G. Sekhar and published by . This book was released on 1985 with total page 168 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Further Studies on Charcoal Rot of Sorghum (Sorghum Bicolor (L.) Moench) Caused by Macrophomina Phaseolina (Tassi Goid). by : Adsul S S.
Download or read book Further Studies on Charcoal Rot of Sorghum (Sorghum Bicolor (L.) Moench) Caused by Macrophomina Phaseolina (Tassi Goid). written by Adsul S S. and published by . This book was released on 1983 with total page 15 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Understanding the Physiological and Molecular Aspects of Charcoal Rot Resistance Mechanisms in Sorghum and Soybean by : Afsana Noor
Download or read book Understanding the Physiological and Molecular Aspects of Charcoal Rot Resistance Mechanisms in Sorghum and Soybean written by Afsana Noor and published by . This book was released on 2022 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Charcoal rot (CR) of soybean (Glycine max (L.) Merr.) and sorghum (Sorghum bicolor (L.) Moench) is caused by the hemibiotrophic soilborne fungus Macrophomina phaseolina (MP) and is an important pathogen in the midwestern United States. Complex molecular mechanisms underlie the interaction of MP with these two hosts, which impedes resistance breeding. To select for charcoal rot resistance, a thorough understanding of the host's physiological and molecular responses to MP along with screening of genotypes with resistance to CR is essential. To understand MP induced host's physiological and molecular responses, first we investigated MP-induced oxidative stress-mediated senescence by using the reactive oxygen species (ROS) scavenger ascorbic acid in soybean seedlings. Three soybean isolates of MP were tested for their sensitivity to ascorbic acid using an in-vitro assay. An in-planta soybean cut-stem assay was used for the exogenous application of ascorbic acid (oxidized and reduced form) following inoculation with MP. A ROS (H2O2) quantification assay was used to validate H2O2 induced by MP and ascorbic acid pre-treatment. All three MP isolates were sensitive to ascorbic acid concentrations of ≥15 mM. Ascorbic acid (10mM) pre-treatment following MP inoculation reduced CR lesion length compared to inoculated treatment. MP induced a significantly higher H2O2 than ascorbic acid pre-treated inoculated plant. Second, through comparative transcriptomics, MP-resistant and susceptible soybean genotypes revealed contrasted responses to MP-induced senescence. Gene Ontology and pathway analysis showed MP-induced receptor kinase like genes in both genotypes while down-regulated defense related antioxidant, hormonal, and other metabolic pathways in both genotypes. Ascorbic acid pre-treatment induced a more significant number of photosynthesis genes in both genotypes. Hydrogen peroxide pre-treatment following inoculation showed up-regulation of oxidative stress responsive pathways while down-regulated photosynthesis and hormonal signal transduction pathways. Third, the NAM phenotyping for CR resistance results of location- and year-wise data showed strong genotype by environment interactions. Overall, using MP screening, charcoal rot resistance phenotyping in the NAM parental lines revealed the genotype SC1103 as the most resistant line and Segaolane and Macia as the most susceptible. The SC1103 NAM family-derived population can be used for charcoal rot resistance in association studies to map charcoal rot resistance.
Book Synopsis Dissecting the Molecular Responses of Sorghum Bicolor to Macrophomina Phaseolina Infection by : Y. M. Ananda Yapa Bandara
Download or read book Dissecting the Molecular Responses of Sorghum Bicolor to Macrophomina Phaseolina Infection written by Y. M. Ananda Yapa Bandara and published by . This book was released on 2017 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Charcoal rot, caused by the necrotrophic fungus, Macrophomina phaseolina (Tassi) Goid., is an important disease in sorghum (Sorghum bicolor (L.) Moench). The molecular interactions between sorghum and M. phaseolina are poorly understood. In this study, a large-scale RNA-Seq experiment and four follow-up functional experiments were conducted to understand the molecular basis of charcoal rot resistance and/or susceptibility in sorghum. In the first experiment, stalk mRNA was extracted from charcoal-rot-resistant (SC599) and susceptible (Tx7000) genotypes and subjected to RNA sequencing. Upon M. phaseolina inoculation, 8560 genes were differentially expressed between the two genotypes, out of which 2053 were components of 200 known metabolic pathways. Many of these pathways were significantly up-regulated in the susceptible genotype and are thought to contribute to enhanced pathogen nutrition and virulence, impeded host basal immunity, and reactive oxygen (ROS) and nitrogen species (RNS)-mediated host cell death. The paradoxical hormonal regulation observed in pathogen-inoculated Tx7000 was characterized by strongly upregulated salicylic acid and down-regulated jasmonic acid pathways. These findings provided useful insights into induced host susceptibility in response to this necrotrophic fungus at the whole-genome scale. The second experiment was conducted to investigate the dynamics of host oxidative stress under pathogen infection. Results showed M. phaseolina's ability to significantly increase the ROS and RNS content of two charcoal-rot-susceptible genotypes, Tx7000 and BTx3042. Over-accumulation of nitric oxide (NO) in stalk tissues in the pathogen-inoculated susceptible genotypes was confirmed using a NO-specific fluorescent probe and confocal microscopy. Significantly increased malondialdehyde content confirmed the enhanced oxidative stress experienced by the susceptible genotypes after pathogen inoculation. These findings suggested the contribution of oxidative stress-associated induced cell death on charcoal rot susceptibility under infection. In the third functional experiment, the behavior of the sorghum antioxidant system after pathogen inoculation was investigated. M. phaseolina significantly increased the glutathione s- transferase (GST), glutathione peroxidase (GPX), glutathione reductase (GR), and peroxidase activities of the susceptible genotypes (Tx7000, BTx3042) but not in the resistant genotypes (SC599, SC35). Increased activities of these enzymes in susceptible genotypes may contribute to reduced oxidative stress thus lowering charcoal rot susceptibility. The fourth functional experiment was designed to quantify induced host-derived cell wall degrading enzymes (CWDEs) using crude enzyme mixtures from stalks. A gel diffusion assay revealed significantly increased pectinesterase activity in pathogen-inoculated Tx7000 and BTx3042 while significantly increased polygalacturonase activity was determined by absorbance. Fluorimetric determination of cell extracts revealed significantly increased cellulose degrading enzyme activity in M. phaseolina-inoculated Tx7000 and BTx3042. These findings revealed the pathogen's ability to promote charcoal rot susceptibility in grain sorghum through induced host CWDEs. The last functional study was designed to profile the stalk tissue lipidome of Tx7000 and SC599 after M. phaseolina inoculation using automated direct infusion electrospray ionization-triple quadrupole mass spectrometry (ESI-MS/MS). M. phaseolina significantly decreased the phytosterol, phosphatidylserine, and ox-lipid contents in Tx7000 while significantly increasing stigmasterol:sitosterol ratio. Except for ox-lipid content, none of the above was significantly affected in resistant SC599. Results suggested the lethal impacts of M. phaseolina inoculation on plastid- and cell- membrane integrity and the lipid-based signaling capacity of Tx7000. Findings shed light on the host lipid classes that contribute to induced charcoal rot susceptibility in grain sorghum.
Book Synopsis Epidemiology, Induction of Systemic Resistance and Management of Charcoal Rot of Sesame Incited by Macrophomina Phaseolina (Tassi) Goid [With CD Copy] by : Ramesh Nath Gupta
Download or read book Epidemiology, Induction of Systemic Resistance and Management of Charcoal Rot of Sesame Incited by Macrophomina Phaseolina (Tassi) Goid [With CD Copy] written by Ramesh Nath Gupta and published by . This book was released on 2020 with total page 72 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Eco-friendly Management of Charcoal Rot of Sesame Caused by Macrophomina Phaseolina (Tassi) Goid. [With CD Copy] by : Preeti
Download or read book Eco-friendly Management of Charcoal Rot of Sesame Caused by Macrophomina Phaseolina (Tassi) Goid. [With CD Copy] written by Preeti and published by . This book was released on 2020 with total page 35 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Bean Production Problems in the Tropics by : Howard F. Schwartz
Download or read book Bean Production Problems in the Tropics written by Howard F. Schwartz and published by CIAT. This book was released on 1989 with total page 750 pages. Available in PDF, EPUB and Kindle. Book excerpt: The first section reviews trends of bean production and constraints in Latin America and Africa. The second section covers fungal diseases. The third section, bacterial diseases. The fourth section, viral and mycoplasma diseases. The fifth section, insect pests. The last section, other bean production constraints, that is, nutritional disorders, nematodes, seed pathology, and additional problems.
Book Synopsis Bean Production Problems by : Centro Internacional de Agricultura Tropical
Download or read book Bean Production Problems written by Centro Internacional de Agricultura Tropical and published by Agribookstore/Winrock. This book was released on 1980 with total page 444 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Plant Growth Promoting Rhizobacteria for Agricultural Sustainability by : Ashok Kumar
Download or read book Plant Growth Promoting Rhizobacteria for Agricultural Sustainability written by Ashok Kumar and published by Springer. This book was released on 2019-06-28 with total page 314 pages. Available in PDF, EPUB and Kindle. Book excerpt: To meet the food security needs of the 21st century, this book focuses on ecofriendly and sustainable production technologies based on plant growth promoting rhizobacteria (PGPR). It is estimated that the global population could increase to 9 billion by 2050. Further, the amount of land devoted to farming has decreased. Soil is a living entity, and is not only a valuable natural resource for agricultural and food security, but also for the preservation of all life processes. Agricultural productivity rests on the foundation of microbial diversity in the soil, and in recent years, PGPR have emerged as an important and promising tool for sustainable agriculture. The injudicious use of agrochemicals by farmers has created a range of negative impacts, not only threatening the environment, but also destroying useful microorganisms in the soil. The efficient use of PGPR reduces the need for these chemicals while simultaneously lowering production costs. In turn, increased yields could provide a more favourable environment and encourage sustainability. This book assesses the impacts of PGPR on crops, environmental and socio-economic sustainability, and demonstrates these ecofriendly technologies’ three critical advantages, namely (a) enhanced crop productivity, (b) reduced application of agrochemicals, and (c) increased incomes for farmers. Besides offering an economically attractive and ecologically sound means of augmenting the nutrient supply and combatting soil-borne pathogens, PGPR play an important part in boosting soil fertility, bioremediation and stress management for the development of ecofriendly and sustainable agriculture.
Book Synopsis Pest Management in Soybean by : L.G. Copping
Download or read book Pest Management in Soybean written by L.G. Copping and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 380 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is the third in a series of volumes on major tropical and sub-tropical crops. These books aim to review the current state of the art in management of the total spectrum of pests and diseases which affect these crops in each major growing area using a multi-disciplinary approach. Soybean is economically the most important legume in the world. It is nutritious and easily digested, and is one of the richest and cheapest sources of protein. It is currently vital for the sustenance of many people and it will play an integral role in any future attempts to relieve world hunger. Soybean seed contains about 17% of oil and about 63% of meal, half of which is protein. Modern research has developed a variety of uses for soybean oil. It is processed into margarine, shortening, mayonnaise, salad creams and vegetarian cheeses. Industrially it is used in resins, plastics, paints, adhesives, fertilisers, sizing for cloth, linoleum backing, fire extinguishing materials, printing inks and a variety of other products. Soybean meal is a high-protein meat substitute and is used in the developed countries in many processed foods, including baby foods, but mainly as a feed for livestock. Soybean (Glycine max), which evolved from Glycine ussuriensis, a wild legume native to northern China, has been known and used in China since the eleventh century Be. It was introduced into Europe in the eighteenth century and into the United States in 1804 as an ornamental garden plant in Philadelphia.
Book Synopsis Microbial Diversity and Biotechnology in Food Security by : R.N. Kharwar
Download or read book Microbial Diversity and Biotechnology in Food Security written by R.N. Kharwar and published by Springer. This book was released on 2014-06-11 with total page 605 pages. Available in PDF, EPUB and Kindle. Book excerpt: The roles of microbes in agriculture, industry and environment have been the point of interest since long time for their potential exploitation. Although only a fraction of microbial diversity was accessed by microbiologists earlier for harnessing them owing to limited techniques available. The molecular techniques have opened new vistas to access the wide field of the unexplored microbes and their exploitation for useful genes and novel metabolites. Sincere efforts have been made in biotechnology using microbes leading to improve our life with respect to agriculture and people health. This comprehensive volume covers different aspects of microbial biotechnology and its management in sustainable agriculture for food security and improved human health. The book comprises four sections: Endophytes and Mycorrhizae, Microbial Diversity and Plant Protection, Microbial Functions and Biotechnology, and Microbes and the Environment, which contain 53 chapters. The book examines the aspects on endophytes and mycorrhizae, bioactive compounds, growth promoting microorganisms, disease management with emphasis on biocontrol, genetics of disease resistance, microbial enzymes, advances in potential of microbes and their industrial as well as pharmaceutical applications. In addition, the use of botanicals, and the etiology and management of medicinal and aromatic plants in the post harvest management have been reviewed in greater depth for the benefit of teaching and research community. The biotechnological developments using microbe potential have enabled us combat the environment and human health problems worldwide in ecofriendly manner. We are sure that this volume will be highly useful to all those concerned with fungi, bacteria, viruses and their biology, including environmental and public health officers and professionals in the field of interest. The volume is an exhaustive coverage of almost all the aspects of microbial biology and biotechnology.
Download or read book Bacterial Wilt of Groundnut written by and published by . This book was released on 1994 with total page 23 pages. Available in PDF, EPUB and Kindle. Book excerpt: Bacterial wilt (Pseudomonas solanacearum) is a major constraint to groundnut production in several Asian and African countries. Although the disease is present in many contries, is particularly important in China, Indonesia, Vietnam, Malaysia and Uganda.
Book Synopsis Compendium of Peanut Diseases by : N. Kokalis-Burelle
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.
Book Synopsis Toxins in Plant Disease by : R Durbin
Download or read book Toxins in Plant Disease written by R Durbin and published by Elsevier. This book was released on 2012-12-02 with total page 528 pages. Available in PDF, EPUB and Kindle. Book excerpt: Toxins in Plant Disease presents a comprehensive coverage of plant disease toxins, both those for which there are reasonable evidence and those with fewer credentials. This book is primarily concerned with the mechanism wherein substances that interfere with metabolism or that alter the normal structure of protoplasm are produced and released (category 1); this includes the traditional toxins, which are usually of low molecular weight. It also describes category 2 mechanism, wherein substances that interfere with normal control of growth and development are produced and released; these microorganisms are classified as growth-affecting compounds. Moreover, this text addresses some high-molecular-weight compounds that contribute to vascular dysfunction. It further talks about the production, isolation, assay, genetics of production, mechanism of action, structure-activity relationship, metabolism, and applications of these toxins. This publication will provide a rational basis for future investigations and contribute to the eventual understanding of the role that toxins play in disease causation.
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