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The Global ETD Search service is a free service for researchers
to find electronic theses and dissertations. This service is
provided by the
Networked Digital Library of Theses and Dissertations.
Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
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Showing 1 to 5 of 5 (0.049 seconds)Spelling suggestions: "subject:"poinsettia""
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Photoperiod induced branching of poinsettia (Euphorbia pulcherrima Willd.)Beck, Gail E. January 1956 (has links)
Thesis (Ph. D.)--University of Wisconsin--Madison, 1956. / Typescript. Vita. eContent provider-neutral record in process. Description based on print version record. Includes bibliographical references (leaves 69-74).
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| 2 |
The effect of additional illumination at various stages of growth on delaying flowering of poinsettia (Euphorbia pulcherrima Wild.).Goddard, George Benjamin 01 January 1958 (has links) (PDF)
No description available.
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| 3 |
The effect of cycocel ([2-chloroethyl], tri-methyl ammonium chloride) applied to the soil on the inhibition of growth and mineral element content of the foliage of potted poinsettias (Euphorbia pulcherrima willd.) /Brown, Howard C. January 1963 (has links)
No description available.
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| 4 |
Effects of B-nine and Cyocel on some anatomical, chemical, and physical factors influencing leaf color and stem growth of Chrysanthemum morifolium L.cv. Criterion and Euphorbia pulcherrima Willd. cv. Elisabeth Ecke /Crittendon, Charles Edward January 1966 (has links)
No description available.
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| 5 |
Isolation and Partial Characterization of Pigment Mutants of Corynebacterium poinsettie ATCC 9682Wariso, Benjamin A. 08 1900 (has links)
Carotenoid pigments were extracted from Corynebacteriuma poinsettiae (wild type) ATCC 9682, and from 108 mutants obtained by exposure of a streptomycin resistant strain of C. poinsettiae to ultra-violet light irradiation and N-methyl- N'-nitro-N-nitrosoguanidine. The pigments were characterized by their absorption maxima, Rf-values, and partition ratios in petroleum ether and methanol. Thin layer chromatography was used to compare pigments of the wild type with those of the mutants. Possible biosynthetic pathways in carotenoid synthesis of the wild type were postulated on the basis of the observed genetic blocks. Mutants were found which suggested the existence of a linear pathway in carotenoid synthesis from the aliphatic C4 0 molecule to the bi-cyclic C50-diol. Other mutants suggested possible alternative pathways in the biosynthesis of these pigments or the presence of intermediates not detectable by thin layer chromatography.
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