Sugar Transport in Conducting Elements of Sugar Beet Leaves | Zendy

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Sugar Transport in Conducting Elements of Sugar Beet Leaves

Author(s) -

P. Trip

Publication year - 1969

Publication title -

plant physiology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 3.554

H-Index - 312

eISSN - 1532-2548

pISSN - 0032-0889

DOI - 10.1104/pp.44.5.717

Subject(s) - sugar , phloem , sieve tube element , sugar beet , petiole (insect anatomy) , sugar phosphates , botany , assimilation (phonology) , chemistry , biology , horticulture , food science , biochemistry , hymenoptera , linguistics , philosophy , enzyme

Autoradiography was used to determine the distribution of labeled sugar in conducting elements of the blade and petiole of sugar beet leaves at intervals ranging from 5 sec to 24 hr. The processes of assimilation by the green cells, collection of sugar in the minor veins and export in phloem elements were demonstrated visually. It appears that in minor veins sugar is translocated in companion cells rather than sieve tubes. In major veins translocation occurs in sieve tubes.

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