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. 1972 May;49(5):690–695. doi: 10.1104/pp.49.5.690

Solution-Flow in the Phloem

II. Phloem Transport of THO in Beta vulgaris1

D A Cataldo a,2, A L Christy a, C L Coulson a,3
PMCID: PMC366034  PMID: 16658030

Abstract

Translocation profiles along the path were studied using a modified flap-feeding technique for the simultaneous application of THO and 14C-sucrose. A re-evaluation of a mathematical model for phloem transport with reversible lateral exchange of tracer along the path indicates that lower apparent velocities for THO as compared to labeled carbohydrate are primarily due to extensive lateral exchange of THO along the conduction path. Path-chilling experiments support the concept that THO and 14C-sucrose exhibit different lateral exchange characteristics. The data presented are consistent with a solutionflow mechanism.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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