Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 11 of 11 for “"dessication"”.
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Stomatal control during dessication in the resurrection plant Xerophyta humilis
Stomatal apertures on leaves of the resurrection plant Xerophyta humilis were monitored microscopically in order to characterize stomatal regulation during a dehydration time course. In addition, the effect of exogenous application of the stress hormone ABA on stomatal regulation was followed. X …
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The role of polyphenols and the cell wall in relation to the desiccation tolerance of the resurrection plant, Myrothamnus flabellifolia (Welw.)
… adaptations of the leaves of M. flabellifolia to dessication and associated stresses. The main aim of this thesis was to ascertain the role of polyphenols and the cell wall of M. flabellifolia in relation to its desiccation tolerance.
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Responses of the false limpet, Siphonaria pectinata (Gastropoda, Pulmonata) to osmotic stress
… respectively. The results suggest that dessication in air and expo-sure to hypersmotic salinities of water yield similar end results in terms of deleterious effects on the body fluid concentration of the animal. A discussion is presented of the possible significance of the fact that the …
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Value of Cover Crops in Suppressing Weeds and Protecting Cotton Yields and Likelihood of Residual Herbicide Carryover to Cover Crops
… as well as chemical options for cover crop dessication, and sensitivity of cover crops to residual herbicides were evaluated. No differences were observed for cereal rye biomass production and consequently weed suppression between broadcast and drilled planting methods. Total amount of cover …
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Peridynamic Modeling of Coupled Mechanical Deformations and Transient Flow in Unsaturated Soils
… for a tool to analyze and evaluate the impact of dessication cracks on the movement of moisture and the mechanical properties of soils at the field scale. The model is based on the peridynamic reformulation of elasticity proposed by Silling for simulating the deformation of bodies with evolving …
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Gene expression associated with drought tolerance in Xerophyta viscosa Baker
… resurrection plant that can tolerate extremes of dessication. Upon rewatering, it rehydrates completely and assumes its full physiological activities. Studies on changes in gene expression associated with dehydration stress tolerance were conducted. A cDNA library constructed from m RNA isolated …
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Pans of the southern Kalahari, Botswana
… ago, and the inner dunes were formed during dessication of the climate some 10000 to 12000 years ago.
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Impact de l'échaudage sur la survie, la croissance et la physiologie de l'huitre de l'est (Crassostrea virginica)
… sur l'huitre. Les huitres traitées par la dessication réagissent de la même façon que les huitres témoins sauf pour le pourcentage de mortalité significativement plus élevé suite au traitement d'aout. D'après ces résultats, nous recommandons aux ostréiculteurs de continuer le contrôle des …
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Comparative ecology and physiology of four South African mussel species with notes on culture potential
… as well as comparing its resistance to silt and dessication, and its reproductive and its growth strategies with those of other intertidal mussel species. It appears that although presently mainly confined to cool water of the west and south coasts, M. galloprovincialis will soon colonize in the …
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Cellulose photonics: designing functionality and optical appearance of natural materials
Cellulose is the most abundant biopolymer on Earth as it is found in every plant cell wall; therefore, it represents one of the most promising natural resources for the fabrication of sustainable materials. In plants, cellulose is mainly used for structural integrity, however, some species organise …