Evidence for circadian regulation of starch and sucrose synthesis in sugar beet leaves.

@article{Li1992EvidenceFC,
  title={Evidence for circadian regulation of starch and sucrose synthesis in sugar beet leaves.},
  author={Bing Li and Donald R. Geiger and W. J. Shieh},
  journal={Plant physiology},
  year={1992},
  volume={99 4},
  pages={1393-9}
}
Starch accumulation and sucrose synthesis and export were measured in leaves of sugar beet (Beta vulgaris L.) during a period of prolonged irradiance in which illumination was extended beyond the usual 14-hour day period. During much of the 14-hour day period, approximately 50% of the newly fixed carbon was distributed to sucrose, about 40% to starch, and less than 10% to hexose. Beginning about 2 hours before the end of the usual light period, the portion of newly fixed carbon allocated to… CONTINUE READING
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