ULTRASTRUCTURAL OBSERVATIONS ON PINACEAE LEAF PHLOEM I. THE SPRING CONDITION

6Citations
Citations of this article
5Readers
Mendeley users who have this article in their library.

Abstract

Pine and spruce leaves were fixed for electron microscopy during their period of rapid differentiation (April‐May 1970). The sieve cells are in radial rows and mature from the outside towards the inside of the leaf. The sieve cell initials have large nuclei and many organelles. As the sieve cells mature, the walls become thick and lamellar, the tonoplast breaks down, and most of the organelles disappear. The plastid stroma becomes fibrillar. The plastids then rupture, releasing fine fibrils into the mictoplasm. The plasmodesmata between phloem parenchyma cells and albuminous cells occur in expanded regions of the cell wall. The sieve areas have little callose in the spring. Copyright © 1972, Wiley Blackwell. All rights reserved

References Powered by Scopus

The use of lead citrate at high pH as an electron-opaque stain in electron microscopy.

18197Citations
N/AReaders
Get full text

A low-viscosity epoxy resin embedding medium for electron microscopy

10378Citations
N/AReaders
Get full text

Tubular and fibrillar components of mature and differentiating sieve elements.

89Citations
N/AReaders
Get full text

Cited by Powered by Scopus

Symplasmic transport and phloem loading in gymnosperm leaves

60Citations
N/AReaders
Get full text

Feinstrukturelle Untersuchungen an Nadeln geschädigter Tannen und Fichten aus Waldschadensgebieten im Schwarzwald

46Citations
N/AReaders
Get full text

Structure and development of sieve areas in the hypocotyl of Pinus resinosa

19Citations
N/AReaders
Get full text

Register to see more suggestions

Mendeley helps you to discover research relevant for your work.

Already have an account?

Cite

CITATION STYLE

APA

HARRIS, W. M. (1972). ULTRASTRUCTURAL OBSERVATIONS ON PINACEAE LEAF PHLOEM I. THE SPRING CONDITION. New Phytologist, 71(1), 169–173. https://doi.org/10.1111/j.1469-8137.1972.tb04824.x

Readers over time

‘12‘18‘19‘20‘2300.511.52

Readers' Seniority

Tooltip

Professor / Associate Prof. 1

33%

PhD / Post grad / Masters / Doc 1

33%

Researcher 1

33%

Readers' Discipline

Tooltip

Agricultural and Biological Sciences 2

67%

Earth and Planetary Sciences 1

33%

Save time finding and organizing research with Mendeley

Sign up for free
0