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次生休眠——甘蓝型自生油菜的发生及对作物生产的影响

DECLARATION第12-13页
CERTIFICATION第13-14页
ACKNOWLEDGMENT第14-16页
英文摘要第16页
Chinese Abstract第18-20页
1. GENERAL INTRODUCTION第20-28页
    1.1 Oilseed rape in perspective第20-21页
    1.2 Phenomenology of seed dormancy第21页
    1.3 Seed Dormancy: Its significance in crop production第21-22页
    1.4 Oilseed rape and dormancy第22-28页
        1.4.1 Origin of volunteer rape第23-28页
2. REVIEW OF RELATED LITERATURE第28-44页
    2.1 Seed Losses第28-29页
    2.2 Factors affecting the development of secondary dormancy第29-36页
        2.2.1 Temperature第29-31页
        2.2.2 Air第31-33页
        2.2.3 Light第33页
        2.2.4 Water potential第33-35页
        2.2.5 Seed age and storage condition第35-36页
        2.2.6 Cultivar differences in the development of secondary dormancy第36页
    2.3 Interactive action of oilseed rape and other crops (Allelopathy)第36-42页
        2.3.1 Wheat allelopathy第37-39页
        2.3.2 Barley allelopathy第39-40页
        2.3.3 Oilseed rape allelopathy第40-42页
    2.4 Methods of avoidance (including breeding opportunities)第42-44页
3. MATERIALS AND METHODS第44-52页
    3.1 Secondary dormancy第44-47页
        3.1.1 Plant material第44-46页
            3.1.1.1 List of genotypes used第44-46页
        3.1.2 Germination pattern第46-47页
    3.2 Treatment methods第47-48页
        3.2.1 Osmotic stress:第47页
        3.2.2 Low oxygen stress:第47-48页
        3.2.3 Anaerobiosis:第48页
    3.3 Germination test第48-49页
    3.4 Seed age第49页
    3.5 Agronomic implication第49-51页
        3.5.1 Allelopathy and crop-crop interaction第50-51页
    3.6 Statistical analyses第51-52页
4. RESULTS AND ANALYSES第52-85页
    4.1 Variation in the development of secondary dormancy under stress conditions第54页
    4.2 Factors inducing secondary dormancy第54-62页
    4.3 Genotypic differences第62-70页
    4.4 Temperature regime第70页
    4.5 Variation in the pattern of germination among oilseed rape cultivars第70-77页
    4.6 The effects of crop interaction第77-83页
    4.7 Effect of root extracts on the germination of rape, barley and wheat第83-85页
5. GENERAL DISCUSSIONS第85-91页
    5.1 Secondary dormancy第85页
    5.2 Scanning electron microscopic differences between the dormant and non dormant第85-86页
    5.3 Factors inducing secondary dormancy第86-88页
        5.3.1 Temperature第86页
        5.3.2 Air第86-87页
        5.3.3 Light第87页
        5.3.4 Water potential and osmotic stress第87-88页
        5.3.5 Seed age and storage condition第88页
    5.4 Crop Interactive effects第88-90页
        5.4.1 Effect of wheat on the growth and development of rape第89页
        5.4.2 Effect of barley on the growth and development of rape第89-90页
    5.5 Genotypic variation in the development of secondary dormancy第90-91页
6. CONCLUSIONS AND RECOMMENDATIONS第91-95页
    6.1 CONCLUSIONS第91-94页
    6.2 RECOMMENDATION FOR FURTHER WORK第94-95页
7. REFERENCES第95-102页

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