Physiology and Ecology of Idriella Bolleyi, a Biological Control Agent of Cereal Root and Stem Base Pathogens PDF Download
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Author: Lisa Iris Douglas
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Author: Lisa Iris Douglas
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Author: Lisa Iris Douglas
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Author: Shivaditya Gautam
Publisher: Universal-Publishers
ISBN: 1599423472
Category :
Languages : en
Pages :
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Book Description
Septoria leaf blotch has been the major disease of wheat in Britain and much of the rest of Europe. It has been reported that the disease causes serious yield losses to range from 31 to 53%. Mycosphaerella graminicola (anamorph: Septoria tritici) is the pathogen which causes Septoria leaf blotch. The disease can be controlled by various methods such as cultural practices, chemical control, using resistant varieties and biological control. In plant pathology, the term biological control leads to the introduction of microbial antagonists or host specific pathogens to suppress diseases and populations of one or more plant pathogens. This study investigated the microbial community on and within wheat leaves which can suppress Septoria leaf blotch by reducing the inoculum level of the causative pathogen M. graminicola. Plate count and DGGE analysis techniques were used to assess the microbial community. The changes in the microbial populations of healthy, senescent and M. graminicola infected i.e. diseased wheat leaves were investigated in vitro on agar plates using plate colony count method. It was found that method was successful in assessing both bacterial and fungal population sizes showing distinct colonies. DGGE is a rapid method which can analyze large number of samples simultaneously. The bands appearing in DGGE profile represent different species present in the microbial population. The DGGE technique was successfully used in this study to assess bacterial community. Bioinformatics tools have also played a vital role in this study for identifying bacterial and fungal species. A total of five bacterial species and five fungal species were identified by bioinformatics tools. The antagonistic abilities of identified bacterial and fungal species were tested against a Septoria isolate in vitro on dual culture PDA plates. Four microorganisms (Fusarium sp., Verticillium sp., Penicillium sp., Sporobolomyces sp. and Microbotryum sp.) in the dual cultures vary in their colony length, width, ratio of length and width and distance bwtween them. But after statistical analysis all the values are insignificant observations of dual culture plates indicated that the microorganisms might inhibit Septoria by competing for space. These microorganisms after testing might be good candidates for further in vivo testing of Septoria inhibition. A thorough knowledge of wheat leaf microbial communities is required for further use of biocontrol in the future.
Author:
Publisher:
ISBN:
Category : Dissertations, Academic
Languages : en
Pages : 458
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Book Description
Theses on any subject submitted by the academic libraries in the UK and Ireland.
Author:
Publisher:
ISBN:
Category : Agriculture
Languages : en
Pages : 572
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Book Description
Author: Trevor R. Hodkinson
Publisher: Cambridge University Press
ISBN: 1108471765
Category : Business & Economics
Languages : en
Pages : 445
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Book Description
Discusses the role of endophytes in food security, forestry and health. It outlines their general biology, spanning theory to practice.
Author: Adam Schikora
Publisher:
ISBN: 9781912530007
Category : Science
Languages : en
Pages : 114
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Book Description
In this volume expert authors review current research on diverse aspects of the interactions which occur in the rhizosphere between the host plant and the microorganisms. The chapters focus on specific phenomena, from the biochemical and genetical level to complex inter-organism communication.
Author: Gary E. Harman
Publisher: CRC Press
ISBN: 0203484452
Category : Science
Languages : en
Pages : 365
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Book Description
Fungi belonging to the genera Trichoderma and Gliocladium are soil- bourne saprophytes which have been used for industrial and agricultural applications for decades. Some strains produce enzymes and antibiotics while others are useful as biological agents for the protection of plants against pathogens. This second volume of two describes the commercial uses of Trichoderma and Gliocladium, beginning with an in depth discussion of the degradation of polysaccharides and macromolecules by fungal enzymes. The application of the fungi in biocontrol for agricultural purposes is then examined. The final section of this volume deals with protein production and the utilisation of Trichoderma enzymes by various industries.
Author: Barbara J.E. Schulz
Publisher: Springer Science & Business Media
ISBN: 3540335269
Category : Science
Languages : en
Pages : 380
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Book Description
This is the first book dedicated to the interactions of non-mycorrhizal microbial endophytes with plant roots. The phenotypes of these interactions can be extremely plastic, depending on environmental factors, nutritional status, genetic disposition and developmental stages of the two partners. This book explores diversity, life history strategies, interactions, applications in agriculture and forestry, methods for isolation, cultivation, and both conventional and molecular methods for identification and detection of these endophytes.
Author: P. Narayanasamy
Publisher: Springer Science & Business Media
ISBN: 9400763808
Category : Science
Languages : en
Pages : 691
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Book Description
Biological disease management tactics have emerged as potential alternative to chemical application for containing crop diseases. Biotic and abiotic biological control agents (BCAs) have been demonstrated to be effective against diseases caused by microbial plant pathogens. Combination of biotic and abiotic agents leads to synergism and consequent improvement in the effectiveness of disease control. It is essential to assay the biocontrol potential of all isolates/species of fungal, bacterial and viral biocontrol agents by different techniques in vitro and under greenhouse and field conditions and to precisely identify and differentiate the most effective isolates from less effective ones by employing biological, immunological and nucleic acid-based assays.
