983 resultados para Cola acuminata


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Translation of: Die Geschichte eines Genies.

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Chemical abstracts

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Prepared in cooperation with National Cancer Institute, Dept. of Health, Education, and Welfare and Research Triangle Institute.

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Two new indole alkaloids, polyneuridine-N-oxide (1) and 17-hydroxy-10-methoxy-yohimbane (2), together with seven known alkaloids were isolated from the roots of Ochrosia acuminata collected in Savu, Indonesia. 9-Methoxyellipticine (3) and ellipticine (4) were responsible for the antitumor activities of the extract. The structures of all compounds were elucidated using MS and NMR methods.

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Fil: Rafaelli, Verónica. Universidad Nacional de La Plata. Facultad de Humanidades y Ciencias de la Educación. Instituto de Investigaciones en Humanidades y Ciencias Sociales (UNLP-CONICET); Argentina.

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Fil: Rafaelli, Verónica. Universidad Nacional de La Plata. Facultad de Humanidades y Ciencias de la Educación. Instituto de Investigaciones en Humanidades y Ciencias Sociales (UNLP-CONICET); Argentina.

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Fil: Rafaelli, Verónica. Universidad Nacional de La Plata. Facultad de Humanidades y Ciencias de la Educación. Instituto de Investigaciones en Humanidades y Ciencias Sociales (UNLP-CONICET); Argentina.

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El presente estudio pretende conocer la preferencia de hábitat de Odocoileus virginianus en el Área Natural Montaña de Cinquera, determinando por medio del análisis de uso/disponibilidad propuesto por Byers (1984) los hábitats más utilizados y preferidos por el venado. Además, se realizaron análisis de la diversidad de las especies vegetales de los hábitats estudiados y su relación con la abundancia de O. virginianus en el área de estudio. Adicionalmente se estimó la abundancia y densidad poblacional de O. virginianus en el ANMC mediante huellas y avistamientos.

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Fusarium wilt of banana, caused by the fungal pathogen Fusarium oxysporum f. sp. cubense (Foc), is one of the most destructive diseases of banana. A particularly virulent strain of the pathogen, tropical race 4 (TR4), presents an emerging threat to banana producing regions throughout the world. No commercially acceptable banana cultivar is resistant to TR4 and, as with all strains of the Fusarium wilt pathogen, there is no effective chemical control. Genetic resistance to TR4 has been observed in the diploid wild banana Musa acuminata subsp. malaccensis, which has consequently received attention as a potential source of Fusarium resistance genes. The aim of this research was to determine the pattern of inheritance of the resistance trait by screening plants for resistance to Foc subtropical race 4 (SR4) and TR4. Our results showed that the F1 progeny of self-fertilized malaccensis plants challenged in pot trials against SR4 (VCGs 0120, 0129, 01211) and TR4 (VCG 01213/16) segregated for resistance according to a Mendelian ratio of 3:1 which is consistent with a single dominant gene hypothesis.

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Dissertação, Mestrado, Marketing, Instituto Politécnico de Santarém, Escola Superior de Gestão e Tecnologia, 2016

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Dissertação, Mestrado, Marketing, Instituto Politécnico de Santarém, Escola Superior de Gestão e Tecnologia, 2016