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Assessment Strategies for Screening Effective Bacteria as Biological Control Agents and Elucidating the Mechanisms of Biological Control for Rice Blast(Magnaporthe Grisea)

ABSTRACT第8页
LIST OF ABBREVIATIONS第9-10页
PART 1: INTRODUCTION第10-14页
    1.1 Background第10-11页
    1.2 Research Content第11-14页
        1.2.1 Statement of the Study第11-12页
        1.2.2 Significant of the Study第12页
        1.2.3 Aims第12页
        1.2.4 Objectives第12页
        1.2.5 Hypothesis第12页
        1.2.6 Organization of the Research第12-14页
PART 2: Literature Review第14-32页
    2.1 Brief History and Description第14页
    2.2 Etymology第14-15页
    2.3 Regional History of Rice第15-19页
        2.3.1 Africa第15页
        2.3.2 Asia第15-16页
        2.3.3 Middle East第16页
        2.3.4 Europe第16-17页
        2.3.5 Caribbean and Latin America第17页
        2.3.6 United States第17-19页
        2.3.7 Australia第19页
    2.4 Environmental Impacts第19-21页
        2.4.1 Rainfall and Temperature第20页
        2.4.2 Pests and Insects第20页
        2.4.3 Rice Blast Disease第20-21页
    2.5 Significance of Rice Blast Disease第21页
    2.6 Symptoms and Signs第21-24页
        2.6.1 Rice Leaves第21-22页
        2.6.2 Rice Collars第22页
        2.6.3 Rice Necks and Panicles第22-23页
        2.6.4 Rice Seeds第23-24页
    2.7 Pathogen Biology第24-28页
        2.7.1 Sexual Reproduction第25页
        2.7.2 Asexual Reproduction第25-26页
        2.7.3 The Infection Process第26-27页
        2.7.4 Disease Cycle and Epidemiology第27-28页
    2.8 Disease Management第28-32页
        2.8.1 Cultural Strategies第28-29页
        2.8.2 Genetic Resistance第29页
        2.8.3 Fungicide第29-30页
        2.8.4 Biological Control第30-32页
PART 3: MATERIALS AND METHODS第32-40页
    3.1. Bacteria, Plants, and Their Culture第32页
    3.2. Isolation of Rice Habitat Strains第32-33页
    3.3 Screen for Antagonism towards M. grisea第33-34页
    3.4 Evaluation of Activities of Extracellular Hydrolytic Enzymes and Siderophores第34页
    3.5 Evaluation of potential biological control agents for their biocontrol ability第34-35页
    3.6 ARDRA and BOX-PCR Fingerprint Analysis and Identification of Bacterial Isolates第35-36页
    3.7 Greenhouse Test第36-37页
    3.8 Examination of, Conidia Germination, and Appressorium Penetration on the Rice Leaf第37-38页
    3.9 Statistical Analysis第38-40页
PART4: RESULTS AND DISCUSSIONS第40-58页
    4.1 Biological Control Agents Identify第40页
    4.2 Screening Potential Biological Control Agents against M.grisea Disease第40-42页
    4.3 Analysis of Bacteria Activities of Extracellular Hydrolytic Enzymes and Siderophores第42-44页
    4.4 Bacteria Antagonists showing 4-8 Scores subjected to DNA analysis, ARDRA and BOX PCRAnalysis第44-49页
    4.5 Biocontrol Efficacy test Against M. grisea under Greenhouse Condition第49-52页
    4.6 Correlation Analysis between Biocontrol Efficacy and Assessment Scores第52-54页
    4.7 Conidia Germination, and Appressoria on Rice Leaf Treated with(H-S in 24 and D-L in 76)第54-56页
    4.8 Conclusion第56-57页
    4.9 Future Research第57-58页
REFERENCES第58-64页
PAPERSPUBLISHED第64-66页
APPENDIX第66-70页
ACKNOWLEDGEMENTS第70页

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