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Reduction in Sink-Mobilizing Ability following Periods of High Carbon Flux
Authors:Wyse R E  Saftner R A
Institution:Agricultural Research, United States Department of Agriculture, Utah State University, Logan, Utah 84322.
Abstract:Sink tissues may play a significant role in determining photosynthetic rates through their ability to mobilize assimilates. The objective in this study was to determine if the mobilizing ability of taproot sink tissues of sugarbeet (Beta vulgaris) could become limiting when assimilate supply was maintained at a high level for an extended period of time. Assimilate supply was either enhanced by CO2 enrichment or reduced by shading.
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