Structure and development of secretory trichomes on Myriophyllum spicatum L

Development of secretory trichomes was followed on Myriophyllum spicatum L. leaves and stem. Secretory trichomes occurred on very young plants and abscised early, leaving behind a scar. Analysis of the chemical composition indicated that Myriophyllum trichomes contain polysaccharides and lipophilic...

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Bibliographic Details
Published in:Aquatic botany 1990-07, Vol.37 (2), p.99-121
Main Authors: Godmaire, H., Nalewajko, C.
Format: Article
Language:English
Subjects:
Biological and medical sciences
Freshwater
Fundamental and applied biological sciences. Psychology
Metabolism
Myriophyllum spicatum
Plant physiology and development
Storage and secretion, pigments, phytochrome
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Summary:Development of secretory trichomes was followed on Myriophyllum spicatum L. leaves and stem. Secretory trichomes occurred on very young plants and abscised early, leaving behind a scar. Analysis of the chemical composition indicated that Myriophyllum trichomes contain polysaccharides and lipophilic substances. Little is known about the process of excretion, however, it appeared to be of the holocrine type. On non-axenic plants, bacteria, zooplankton and other organisms accelerated the deterioration and disappearance of the trichomes. The release of dissolved organic products by these secretory structures was investigated and their possible ecological functions are discussed.
ISSN:0304-3770
1879-1522
DOI:10.1016/0304-3770(90)90085-Y