Sieve-plate pores in leaf veins of Hordeum vulgare
- 1 January 1971
- journal article
- Published by Springer Nature in Planta
- Vol. 100 (3) , 262-267
- https://doi.org/10.1007/bf00387042
Abstract
The sieve-plate pores of sieve elements in leaf veins of Hordeum vulgare, fixed in glutaraldehyde with postfixation in osmium tetroxide, were lined by the plasmalemma and variable amounts of callose. All pores were filled with endoplasmic reticulum, which was continuous from cell to cell. Mature sieve elements lacked P-protein.Keywords
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