Identification Of Rhizoctonia Species
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Identification Of Rhizoctonia Species
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Author : Baruch Sneh
language : en
Publisher: American Phytopathological Society
Release Date : 1991
Identification Of Rhizoctonia Species written by Baruch Sneh and has been published by American Phytopathological Society this book supported file pdf, txt, epub, kindle and other format this book has been release on 1991 with Science categories.
Methods for isolation, identification and preservation of rhizoctonia spp. Morphology and cytology of rhizoctonia spp. cytomorphological key to rhizoctonia spp. Cytomorphological key to teleomorphs of rhizoctonia spp. Anastomosis groups of binucleate rhizoctonia spp. Characteristics common to significant number of isolates in anasatomosis groups of rhizoctonia spp. Rhizoctonia spp. associated with orchides.
Morphology And Molecular Identification Of Rhizoctonia Solani
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Author : T. A. Kareem
language : en
Publisher: LAP Lambert Academic Publishing
Release Date : 2014-08-12
Morphology And Molecular Identification Of Rhizoctonia Solani written by T. A. Kareem and has been published by LAP Lambert Academic Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-08-12 with categories.
SUMMARY The objective of this study was to isolate and identification of Rhizoctonia solani from some infected Solanaceae vegetable plants (tomato, eggplant and pepper) and from soil collected from different regions in Baghdad - Iraq, with confirm the degree of kinship for R. solani isolates by PCR technology and study the efficiency of Mycorrhizal (Glomus mosseae) in reducing of R. solani infection percentage on tomato. The results of phylogenetic analysis showed that identifying tomato isolates to further AG or subgroup, within AG4: one isolate (IQ41) belonged to AG4- HGI (BS=99%), three isolates, IQ42, IQ43and IQ45 belonged to AG4- HGII (BS=100%) and 5 isolates, IQ47, IQ48, IQ49, IQ23, and IQ35 were closely related to AG4- HGIII. The mycorrhizal treatment was reflected on plant growth parameters (seeds germination, fresh and dry weight, and root volume) and as a control measure against the pathogen at greenhouse and field experiments.
Rhizoctonia Species Taxonomy Molecular Biology Ecology Pathology And Disease Control
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Author : B. Sneh
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-06-29
Rhizoctonia Species Taxonomy Molecular Biology Ecology Pathology And Disease Control written by B. Sneh and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-06-29 with Science categories.
Rhizoctonia Species: Taxonomy, Molecular Biology, Ecology, Pathology and Control, written by the world's most reputable experts in their respective fields of Rhizoctonia research, summarizes years of research in the various aspects of the ubiquitous complex group of soil-borne fungi belonging to the anamorph genus Rhizoctonia. Species of Rhizoctonia worldwide cause economically important diseases on most of the world's important plants such as cereals, potato, cotton, sugarbeet, vegetables, ornamentals and trees in nurseries. The subject reviews covered in the book include classic as well as modern approaches to Rhizoctonia research in: Taxonomy and Evolution, Genetics and Pathogenicity, Plant-Rhizoctonia Interactions, Ecology, Population and Disease Dynamics, Disease Occurrence and Management in Various Crops, Cultural Control, Biological Control, Germplasm for Resistance, Chemical and Integrated Control Strategies. It aims to be the standard reference source book on Rhizoctonia for the next decade or more, just as Parmeter et al. (1970) has been in the past. It will be an important publication for Rhizoctonia investigators, plant pathologists, students, extension specialists, crop producers and companies dealing with plant disease control.
Identification And Characterization Of Rhizoctonia Solani Suppressive Soils
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Author : Robert Steven Kinsbursky
language : en
Publisher:
Release Date : 1984
Identification And Characterization Of Rhizoctonia Solani Suppressive Soils written by Robert Steven Kinsbursky and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1984 with categories.
Identification Of Rhizoctonia Solani In Irrigated Winter And Summer Crops In Southern New South Wales
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Author : J. A. Andrews
language : en
Publisher:
Release Date : 1999*
Identification Of Rhizoctonia Solani In Irrigated Winter And Summer Crops In Southern New South Wales written by J. A. Andrews and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999* with Rhizoctonia solani categories.
Identification Of Bacterial Genes And Compounds Involved In Rhizoctonia Solani Disease Suppression
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Author : N.P.D. Pangesti
language : en
Publisher:
Release Date : 2006
Identification Of Bacterial Genes And Compounds Involved In Rhizoctonia Solani Disease Suppression written by N.P.D. Pangesti and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with categories.
Rhizoctonia Solani Biology And Pathology
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Author : J. R. Parmeter
language : en
Publisher: Univ of California Press
Release Date : 1970-01-01
Rhizoctonia Solani Biology And Pathology written by J. R. Parmeter and has been published by Univ of California Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1970-01-01 with Science categories.
Rhizoctomia solani: the organism. Rhizoctonia solani: the saprophyte. Rhizoctonia solani: the pathogen.
Diversity And Pathogenicity Of Rhizoctonia Spp From Different Plant Hosts In Nebraska
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Author : Srikanth Kodati
language : en
Publisher:
Release Date : 2019
Diversity And Pathogenicity Of Rhizoctonia Spp From Different Plant Hosts In Nebraska written by Srikanth Kodati and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019 with Rhizoctonia solani categories.
Rhizoctonia-like organisms include soilborne fungi that live as saprophytes, necrotrophic pathogens with varying host ranges and aggressiveness, and symbiotic mycorrhizae. Accurate identification of species of Rhizoctonia causing disease is important for management recommendations. Research in Chapter 2 was conducted to identify the diversity of Rhizoctonia spp. from soybean growing regions, evaluate their aggressiveness on soybean and cross-pathogenicity to other hosts. A total of 139 isolates were collected and identified using morphology and gene sequencing. Results showed R. solani AG-4 and R. zeae were most abundant. Interestingly, R. zeae isolates were most aggressive to soybean when using higher temperatures for in planta evaluations compared to those used for R. solani. Reported mostly as a pathogen of turf grasses, R. zeae was not previously considered an aggressive pathogen on row crops. In addition to row crops, a significant amount of land in Nebraska is comprised of Sandhills and yet information on pathogen diversity is lacking. Thus, Chapter 3 of this dissertation focused the diversity and pathogenicity of Rhizoctonia spp. from the Sandhills. Most Rhizoctonia spp. isolated from the Sandhills (12 of 17 the isolates) were binucleate Rhizoctonia. Isolates were pathogenic on native grasses (sand bluestem and needle-and-thread) and soybean. The Sandhills grasslands was shown to harbor a unique composition of Rhizoctonia spp. that have potential to cause disease on soybean when this area is converted to cultivated land. In Chapter 4, GC-MS analysis was performed on extracts of R. zeae and their phytotoxic activity on soybean leaves was evaluated. Diverse functional groups were identified and some compounds in functional groups like pyridine, furan, fatty acid, sugar acids were identified only in the extracts of aggressive isolates. Phytotoxic activity of these extracts in detached leaf assay was positively correlated with aggressiveness of the isolates evaluated on seedlings, suggesting these exudates contain phytotoxins and can be used in the future for in vitro screening of soybean breeding lines. Collectively, information generated by the research in this dissertation is important for advancing our knowledge of Rhizoctonia diseases.
Isolation Identification Pathogenicity And Sensitivity Of Rhizoctonia Spp To Phenazine 1 Carboxylic Acid Pca Producing Pseudomonas Spp
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Author : Ahmad Kamil Mohd Jaaffar
language : en
Publisher:
Release Date : 2012
Isolation Identification Pathogenicity And Sensitivity Of Rhizoctonia Spp To Phenazine 1 Carboxylic Acid Pca Producing Pseudomonas Spp written by Ahmad Kamil Mohd Jaaffar and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012 with categories.
Representative isolates from each of the four major phylogenetic groups of Phz+ pseudomonads were shown to control root rot of wheat caused by R. solani as well or better than did the model PCA producer P. fluorescens 2-79.
From Fungicides To Mycoviruses
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Author : Anika Bartholomäus
language : en
Publisher: Cuvillier Verlag
Release Date : 2017-06-26
From Fungicides To Mycoviruses written by Anika Bartholomäus and has been published by Cuvillier Verlag this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-06-26 with Science categories.
Rhizoctonia root and crown rot, caused by the soil-borne basidiomycete Rhizoctonia solani, is one of the most important diseases in sugar beet and from increasing economic relevance in many European growing areas. In the EU, no fungicides against Rhizoctonia in sugar beet are registered and existing control approaches cannot completely control the disease. Two fungicides were evaluated for their control efficacy using different sugar beet cultivars with varying levels of resistance. The effect on disease severity, white sugar yield (WSY) and soil-borne inoculum, analyzed by qPCR, was determined in naturally infested fields and inoculated trials. Both fungicides showed an excellent disease control with a similar efficacy, securing WSY and reducing the soil-borne inoculum. As an alternative, mycoviruses, which induce hypovirulence, were analyzed as a further approach in the future. They are highly pathogen specific and might deliver long lasting control, once suitable biocontrol agents for Rhizoctonia have been identified. A method for virome characterization based on randomly transcribed dsRNA extracts analyzed by deep sequencing in the combination with the identification of the RdRp domain as virus marker was developed. The virome analysis revealed that the hypovirulent Rhizoctonia isolate DC17 is infested with 17 different mycoviruses of which some show close relation to known hypovirulence inducing viruses.