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Structure and Ultrastructure of the Cotyledon of Date Palm (Phoenix dactylifera L.)
The cotyledon of the embryo of the date palm (Phoenix dactylifera L.) is composed of three cell types with similar ultrastructure. These three types-the parenchyma, protoderm, and procambium-can beExpand
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OBSERVATIONS ON THE MECHANISM OF CHLOROPLAST DIVISION IN HIGHER PLANTS
SUMMARY The sequence of changes in membranes that occur during the division of young green chloroplasts is described from observations in the electron microscope of thin sections of leaf tissue ofExpand
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Ultrastructural Study of Lipid Accumulation in Tapetal Cells of Brassica napus L. Cv. Westar during Microsporogenesis
Ultrastructural features of Brassica napus tapetal cells during microsporogenesis from early microspore development through late maturation are described Emphasis is placed on the two majorExpand
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The Reversion of Chromoplasts to Chloroplasts in Valencia Oranges
The ultrastructural reversion of chromoplasts to chloroplasts in regreening Valencia oranges is described. During reversion of chromoplasts to chloroplasts the grana-fretwork system is evidentlyExpand
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Development of Nongreen Plastids
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LOCALIZATION AND SECRETION OF SALT BY THE SALT GLANDS OF Tamarix aphylla.
Analysis of salt secreted by the salt glands of Tamarix aphylla shows that the composition of the secreted salt is dependent on the salt composition of the root environment. Rubidium ion, if added toExpand
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Ultrastructure of Oil Gland Development in the Leaf of Citrus sinensis L.
The young oil glands of Citrus sinensis L. consist of a central group of polyhedral cells encircled by layers of radially flattened cells The oil chamber forms schizogenously through a separation ofExpand
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The inhibitory effect of NaCl on barley germination
Abstract The possibility that the nature of the inhibitory effect of NaCl is different during imbibition compared to germination was investigated. Germination in both NaCl and betaine (a non-toxicExpand
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