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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 20 of 85 for “"relative growth"”.
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On the Relative Growth of Differences of Partition Functions
Made available in DSpace on 2014-12-05T21:50:21Z (GMT). No. of bitstreams: 1 6200614.pdf: 589937 bytes, checksum: 10b73b49b14c848700a67cfe25720600 (MD5) Previous issue date: 1961
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The Effect of Constant Relative Growth Rate Versus Constant Specific Growth Rate on Oocystis SP
… sp. (S002) was grown using two different growth strategies at three different temperatures (15°C, 20°C, 25°C). One strategy (GS1) kept a constant specific growth rate (µ) and the other (GS2) kept a constant relative growth rate (µ/µ<sub>max</sub>). In both strategies, the cultures were …
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An Experimental Study to Determine the Relative Growth of a Selected Group of Industrial Arts Education Majors Toward Gaining An Understandingof American Industry
Made available in DSpace on 2014-12-04T17:34:54Z (GMT). No. of bitstreams: 1 6303206.pdf: 7421170 bytes, checksum: 4e85ef65fa00c9a7d185f361b55b633b (MD5) Previous issue date: 1962
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Growth of Understory Saplings in a Forest Exposed to Elevated Carbon Dioxide
… be affected by rising atmospheric CO2. The growth response of different tree species varies and depends upon characteristics that enable response to CO2 concentration. The relationship between the sources (e.g., leaves) and sinks (e.g., new, developing leaves and roots) has been found to …
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Variation for root and shoot growth among wheat cultivars and the effects of barley yellow dwarf virus on growth
… wheat cultivars to evaluate differences in root growth, to evaluate the effects of barley yellow dwarf virus (BYDV) on root and shoot growth, and to study the effects of a plant growth regulator on root growth of healthy and BYDV infected plants. Cultivars evaluated were Caldwell, Cardinal, …
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Characterisation of nitrogen stress response genes of the marine Alga Gracilaria Gracilis
… by seaweeds that is most frequently limiting to growth. Biomass, relative growth rate, the concentration of nitrogen in the growth medium, the mean nitrogen uptake rate of the plant and the amount of nitrogen in the thallus were determined for nitrogen enriched and nitrogen deprived G. gracilis …
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Seed and seedling ecology of four Agulhas Proteaceae
… sands than limestone. There were also greater relative growth rates of seedlings on their own soil than counterparts on transplanted soil.
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Seed dormancy and germination of northern red oak
… in the eastern United States, has a delayed growth in the early years of establishment. Freshly harvested northern red oak seed exhibit dormancy that may be broken by stratification or pericarp removal. In this research, germination, seedling growth and adenylate energy metabolism of northern …
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The importance of cotyledon functional morphology and patterns of seed reserve utilization for the physiological ecology of neotropical tree seedlings
… traits differentiate the patterns of seedling growth among tree species found in the tropical moist forest on Barro Colorado Island, Panama. Among epigeal phanerocotylar species, photosynthetic capacity per unit cotyledon mass is linearly related to the reciprocal of cotyledon thickness. The …
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Plant size and intraspecific variability in vascular epiphytes
… to observations of size-independent (and low) relative growth rates in situ. Under favorable conditions in the greenhouse, however, small V. sanguinolenta exhibited surprisingly high relative growth rates, similar to annuals, which clearly contradicts the prevalent, but barely tested notion of …
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Forward modeling of tree-climate relations across the Northern Hemisphere
… model that directly predicts tree-ring growth using climate data, to simulate tree-ring formation across the Northern Hemisphere. Previous research has shown the model has skill in reproducing ring-width variability and climate sensitivity at local and regional scales, but its ability to …
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Respiration during development and germination of muskmelon seeds (Cucumis melo L.)
… Respiration rate was highly correlated with seed relative growth rate and water content. Respiration rate was not consistently changed after incubation in water. This indicates that respiration rate is not directly controlled by subtle variations in water content. Rather, seed respiration rate is …
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Some aspects of the seed development and seedling growth of rimu, Dacrydium cupressinum, Lamb
… Westland and Catlins) were used in a variety of growth experiments to examine their responses to different growing irradiances, temperature regimes, photoperiods and seasons. Growth was assessed by growth analysis and direct measurement. Gas exchange studies were made using an infra-red gas …
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The role of foliar glucosinolates in host plant resistance of oilseed rape and mustard to the Bertha armyworm and the diamondback moth
… host plant glucosinolates and feeding and growth of a polyphagous insect, the Bertha armyworm, Mamestra configurata Walker and field infestation levels of an oligophagous insect, the diamondback moth, Plutella xylostella L. were investigated. M. configurata reared on eight rape and mustard …
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An Ecophysiological study of two key grass species, Anthephora Pubescens Nees and Eragrostis Curvula (Schrad.) Nees
… Increasing competition resulted in retarded relative growth rates and restricted morphological development. A field survey conducted in a natural plant community did not support the findings made of A. pubescens in the pot trials.
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COMPARATIVE ECOPHYSIOLOGY OF NATIVE AND INVASIVE PLANTS ACROSS POPULATIONS, SPECIES, AND CONTINENTS
… avoid tradeoffs apparent in natives related to growth, resource use, or defense. Using 30 species of native and invasive shade tolerant shrub species in a common garden, I tested whether invasive species had leaf traits that were more plastic to seasonal changes in light availability. I found …
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The combined effects of ozone, sulfur dioxide and simulated acid rain on the growth of three forest tree species
… in alterations in seedling biomass accumulation, growth rates, changes in carbon allocation among plant parts and modification in physiological processes associated with gas exchange. Ozone (0.010 ppm) and SO₂ together caused a significant decrease in height growth and biomass and an increase in …
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Solvent-induced modifications of the morphology and solid-state properties of ibuprofen
… potentials were calculated to assess the relative growth rates of crystal faces of ibuprofen. Comparison of the predicted morphology with solution-"grown crystals clarified the interaction of solvent with the growing crystal. Single crystal dissolution and x--ray techniques indicated that …
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Isolation and characterization of a novel lectin gene, Allium triquetrum agglutin, conferring insecticidal properties against Myzus persicae
… obtained using kanamycin selection. Several key growth parameters of the transgenic plants were assessed to demonstrate that expressing ATA causes few III phenotypic changes to the host plant. The transgenic plants were subsequently used for aphid bioassays, including choice and non-choice …
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Nitrogen environment, ecophysiology and growth of Gracilaria gracilus in Saldanha Bay, South Africa
The growth of Gracilaria gracilis (Stackhouse) Steentoft, Irvine et Farnham was examined by studying the effect of organismic determinants such as thallus length, position along the thallus and branching in a series of in situ and laboratory-based experiments. Knowledge of these factors is …
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