| 摘要 | 第1-9页 |
| Abstract | 第9-13页 |
| Section I — Overview | 第13-19页 |
| ·Crop Genetic Resources (CGRs) | 第13-16页 |
| ·Wheat Germplasm in China | 第14-15页 |
| ·Core Collections | 第15-16页 |
| ·Physiological Research and Plant Senescence | 第16-19页 |
| Section II Evaluation of Leaf Physiological and Biochemical Traits during Senescence of the Wheat Core Collection in the Southwest of China | 第19-36页 |
| ·Introduction | 第19-20页 |
| ·Plant Materials and Methods | 第20-22页 |
| ·Plant Materials and Growing conditions | 第20-21页 |
| ·Measurements | 第21-22页 |
| ·Results | 第22-24页 |
| ·The heading date of the core collection | 第22页 |
| ·MDA content and activities of CAT, SOD in flag leaves during leaf senescence | 第22-23页 |
| ·The data of yield index | 第23页 |
| ·The standard deviations and coefficients of variation among the genotypes from different regions | 第23-24页 |
| ·Discussions | 第24-36页 |
| ·Abundant diversity in heading date among the Chinese wheat core collection | 第24-26页 |
| ·High diversity of CAT and SOD activities and MDA content of the flag leaves | 第26-27页 |
| ·Screening elite accessions with excellent traits examined for wheat improvement | 第27-36页 |
| Section III Diversity of Biochemical traits and Agronomic performance of Wheat Core Collection | 第36-53页 |
| ·Introduction | 第36-37页 |
| ·Plant Materials and Methods | 第37-40页 |
| ·Plant Materials and Growing conditions | 第37-38页 |
| ·Recordation of heading date | 第38页 |
| ·Measurement of MDA content and activities of SOD and CAT | 第38-39页 |
| ·Measurement of chlorophyll content | 第39页 |
| ·Detection of Agronomic Performance | 第39页 |
| ·Data Analysis | 第39-40页 |
| ·Results | 第40-41页 |
| ·The heading date of core collection | 第40页 |
| ·The change of MDA content and both of SOD and CAT activities | 第40-41页 |
| ·The change of chlorophyll content between and among different groups | 第41页 |
| ·The change of agronomic value and yield compositions of core collections | 第41页 |
| ·Discussion | 第41-53页 |
| ·Representational in agronomic traits for core collections | 第41-43页 |
| ·Representational of the biochemical traits of flag leaves | 第43-44页 |
| ·The change of biochemical traits congruously with the heading date | 第44-45页 |
| ·Screening some elite wheat accessions for wheat improvement | 第45-53页 |
| References | 第53-59页 |
| Publications | 第59-60页 |
| Acknowledgements | 第60页 |
