Tarpley, L. and Vietor, D.M. and Miller, F.R. (1994) Internodal Compartmentation of Stem-Infused [14C]Sucrose in Sweet and Grain Sorghum. Crop Science, 34 (4). pp. 1116-1120.
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Abstract
Stem infusion was evaluated for quantifying downward movement, intracellular allocation, and interorgan partitioning of assimilate in sweet and grain sorghum [Sorghum bicolor (L.) Moench] stems during mid-grain fill and post-black layer. Sucrose concentration did not vary below the site of infusion with [14C]sucrose, although gradients of intracellular 80%-ethanol soluble and insoluble 14C-components were established in the stem. Variation in gradient steepness between cultivars resulted from aspects of parenchymal uptake or phloem uptake of sucrose and appears related to sucrose-concentrating ability. The introduced [14C]sucrose concentration gradient in stem tissue is useful for studying stem mechanisms that controls ink strength.
| Item Type: | Article |
|---|---|
| Author Affiliation: | Texas A%M Univ., College Station, TX 77843-2474 |
| Subjects: | Crop Improvement |
| Divisions: | Sorghum |
| Depositing User: | Mr Siva Shankar |
| Date Deposited: | 14 Apr 2014 10:39 |
| Last Modified: | 14 Apr 2014 10:39 |
| Official URL: | http://dx.doi.org/10.2135/cropsci1994.0011183X0034... |
| URI: | http://eprints.icrisat.ac.in/id/eprint/13069 |
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