Thesis (M.Sc.) -- University of Adelaide, Dept. of Botany, 1950. / Typewr. copy. Copies of author's previously published publications inserted. Bibliography: leaves 32-34.

Thesis (Ph. D.)--University of Adelaide, 1985. / Includes bibliographical references (last 24 unnumbered leaves ).

Thesis (Ph. D.)--University of Michigan, 1911. / Cover title. "Reprinted from the Botanical gazette, vol. LVI, no. 4." "Literature cited": p. 303-305.

Thesis--University of Florida. / Description based on print version record. Typescript. Vita. Includes bibliographical references (leaves 48-53).

Thesis (Ph.D.) Department of Agronomy, University of Adelaide, 1981.

Thesis (Ph. D.)--Oregon State University, 2006. / Printout. Includes bibliographical references (leaves 164-172). Also available via the World Wide Web.

Thesis (Ph. D.)--Lehigh University, 2005. / Includes vita. Includes bibliographical references (leaves 140-144).

Orientador: Enes Furlani Júnior / Banca: Liliane Santos de Camargos / Banca: Enio Tiago de Oliveira / Resumo: O pinhão-manso (Jatropha curcas L.) é uma planta conhecida e cultivada na América desde tempos remotos, porém, somente nas últimas três décadas passou a ser estudado agronomicamente. É considerada uma espécie promissora no processo de produção de biocombustíveis devido ao seu elevado teor de óleo nas sementes. Por tratar-se de uma planta ainda em fase de domesticação, os estudos acerca de seu crescimento e fisiologia ainda são escassos, porém necessários para a expansão da cultura em todo o país, por isso, o objetivo desta pesquisa foi analisar o crescimento e o metabolismo do nitrogênio de plantas jovens de J. curcas cultivadas sob quatro condições de sombreamento (0, 30, 50 e 70 % de cobertura) e quatro concentrações de nitrato (0, 15, 30 e 45 mM). Durante 120 dias as plantas foram tratadas e avaliadas biometricamente quanto à altura, diâmetro, número de folhas, área foliar e massas fresca e seca. Fisiologicamente analisou-se a atividade das enzimas redutase do nitrato e glutamina sintetase, proteína total solúvel, análise quantitativa de nitrato e amônia. Os resultados obtidos sugerem que com relação ao crescimento inicial J. curcas é responsiva ao sombreamento, como características ecofisiológicas que se refletem em adaptações morfológicas de expansão da área foliar, alongamento do pecíolo e maior crescimento em altura buscando ambientes com maior luminosidade, sendo que ambientes com sombreamento de 30% são eficazes no controle da temperatura foliar e retenção de água no substrato permitindo o melhor desenvolvimento das plantas, entretanto, níveis acima de 50% de sombreamento são prejudiciais ao crescimento inicial da espécie por provocarem intenso estiolamento e redução no número médio de folhas. A realização da adubação nitrogenada é de suma importância... (Resumo completo, clicar acesso eletrônico abaixo) / Abstract: The jatropha (Jatropha curcas L.) is a plant known in America and cultivated since ancient times, but only in the last three decades began to be studied agronomy. It is considered a promising species for the biofuels production because its high oil content in seeds. It‟s a plant still under domestication because it, studies on their growth and physiology are still scarce, but necessary to the expansion of culture throughout the country, so the objective of this research was to analyze the growth and nitrogen metabolism in young plants of J. curcas grown under four conditions of shading (0, 30, 50 and 70% coverage) and four nitrate concentrations (0, 15, 30 and 45 mM). For 120 days the plants were treated and biometrically evaluated as to height, diameter, number of leaves, leaf surface area and fresh and dry mass. Physiologically, we analyzed the enzymes activity of the nitrate reductase and glutamine synthetase, total soluble protein, quantitative analysis of nitrate and ammonia. The results suggest that with respect to the initial growth J. curcas is responsive to the shading, with physiologic characteristics that reflected in morphological adaptations of leaf area expansion, petiole elongation and greater height growth looking environments with higher brightness, and shading environments with 30% are effective in leaf temperature control and water retention in the substrate allowing for better development of plants, however, levels above 50% shading is detrimental to early growth of the species to cause intense etiolation and reduction in the number of leaves. The nitrogen fertilizer is a paramount importance in the early development of plants, the start deficiency visual symptoms appear in the first month after germination. Nitrate concentrations exceeding 30 mM are harmful because they cause a reduction... (Complete abstract click electronic access below)

Thesis (M.S.)--University of Missouri-Columbia, 2006. / The entire dissertation/thesis text is included in the research.pdf file; the official abstract appears in the short.pdf file (which also appears in the research.pdf); a non-technical general description, or public abstract, appears in the public.pdf file. Title from title screen of research.pdf file (viewed on May 7, 2009) Includes bibliographical references.

Thesis (M.S.)--Michigan State University. Dept. of Horticulture, 2008. / Title from PDF t.p. (viewed on July 28, 2009) Includes bibliographical references. Also issued in print.