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National Repository of Grey Literature 2 records found  Search took 0.00 seconds. 
Can anatomy and morphology of seagrass root systems predict their colonization by symbiotic fungi?
 Bulínová, Marie ; Vohník, Martin (advisor) ; Votrubová, Olga (referee)
Seagrasses are narrow ecological and taxonomic group of plants which evolved from terrestrial ancestors some 100 million years ago. Unlike most terrestrial plants they are traditionally considered as a group not forming mycorrhizal symbioses or specific root endophytic associations. However, this opinion is likely biased by a very low number of studies targeting this group of vascular plants. For example, an anatomically and morphologically unique endophytic fungal symbiosis was recently discovered in the roots of the Mediterranean endemic species Posidonia oceanica, a species that is considered to be one of the best studied. It thus seems that more specialized research can yield similar results, i.e. discoveries of new fungal association in seagrasses. This could have a big impact on our opinions regarding not only mineral nutrition of these fascinating plants. The aims of this thesis therefore are 1) to summarize published information about fungal associations in the roots of seagrasses, 2) to summarize basic knowledge of anatomy and morphology of the roots of individual groups of seagrasses and 3) an attempt to predict seagrass groups where we may more likely assume presence of fungal associations. Special emphasis will be placed on the genus Posidonia which has an evolutionary origin in the...
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Methods assessing the root system of individuals tree for forensic ecotechnique needs
 Rychtář, Jan
The aim of this paper is to introduce the methods by which we can examine and evaluate the root system of the tree individuals. Methods rank among method of the Contact flora assessment "CFA", especially subsystem C: functional diagnostics. "CFA" is one of the subsystems Forensic ecotechnique: forest and trees.
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