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 4 of 4 for “"Fumigations"”.
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Comparative physiology of radish populations with differential sensitivity to O₃ and SO₂
… fumigated or non-fumigated conditions. Ozone fumigations tended to decrease free sugar concentrations in leaves at early stages of growth in both O₃R and O₃S plants, and caused some accumulations of carbohydrates during late stages of growth in O₃S plants. Allocation of Mc was significantly …
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Laboratory and field ecophysiological studies on the impact of air pollution on red spruce and Fraser fir
… (4 and 5, respectively), intermittent ozone fumigations (0.025, 0.070, and 0.150 ppm). No effect of ozone exposure on growth and gas exchange of the seedlings was found. Net photosynthesis at saturating light intensity was reduced in both species and the light compensation point was shifted …
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Chemical treatment of bread corn during milling process to eliminate insect contamination
… tables were prepared showing the results of fumigations of grain insects with more than 400 chemical compounds. Those compounds which appeared to be best suited for this type of treatment of the corn, were then listed in a separate table and the properties of the compounds detailed so that a …
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Eficiencia del bio- insecticida hecho a partir de la extracción de la Azadiractina aplicado a Drosophila melanogaster en estado adulto.
Inicialmente, se emplea la metodología de la recolección de las semillas de Neem y la extracción de la Azadiractina utilizando un proceso unitario de molienda. Luego de esto se aplica el bio-insecticida elaborado a partir de las semillas de Neem, ajo, etanol al 40% y cascara de limón y naranja; se …