| The study on physiological characteristics of root system in transgenic(BADH) rice under dry cultivation |
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| DOI：10.7606/j.issn.1000-7601.2007.04.43 |
| Key Words: rice transgenic rice dry cultivation root system physiological characteristic |
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| Abstract: |
| Experiment was conducted in combining the field cultivation and the indoor cultivation in a pot method to study the physiological characteristics of root system in transgenic(BADH) rice after flowering. The result indicated that the transgenic rice has obvious advantages under dry cultivation, and can keep higher SOD and POD activation, while malondialdehyde(MDA) content declines; the high soluble sugar content can adjust the whole cell osmotic potential of cell and reduce the injury to the root system of harmful ion; the root activity in transgenic rice after flowering by water stress is higher than its parents Zhonghua8, which proved that transgenic(BADH) rice can slow down the aging of the root system. These characteristics might be helpful for the maintenance of root physiological activity during the graining filling period of varieties of transgenic(BADH) rice genotype——52-7. |