The photosynthesis and the respiration of the CMS lines and the maintainer lines of radish were studied.Results indicated that The Chlorophyll content and the net photosynthetic rate in the leaves of CMS Lines is normal,and there is little difference between the CMS lines and the maintainer lines.There is no difference in the respiration rate in the buds in the early stage between the CMS lines and the maintainer lines,but in the intermediate stage and the later stage,the respiration rate in the buds of the...