958 resultados para Ceremonial entries
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UANL
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UANL
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UANL
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UANL
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Resumen tomado de la publicaci??n
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Se explican los actos relativos a la imposición de grados de licenciatura a los alumnos pertenecientes a la primera promoción del Plan Actual de Estudios, años 1943-1948, de la Licenciatura de Derecho de la Universidad Central de Madrid. El acto se llevó a cabo en el antiguo Paraninfo de la Universidad en la calle San Bernardo de Madrid. Se abrieron los actos con una misa que ofició el Decano de la Facultad, tras la cual se procedió a investir de los atributos de Grado a los 118 nuevos Licenciados, cinco de ellos extranjeros becados en Madrid. Se cerraron los actos con los discursos del Rector y del Ministro de Educación Nacional que recordó la importante labor que el gobierno franquista estaba haciendo para asegurar el impulso de la educación y en concreto de la enseñanza superior. El colofón a la fiesta de graduación la puso la Tuna estudiantil.
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Stink bugs are among the major pests of soybean [Glycine max (L.) Merrill] worldwide. Piezodorus guildinii [Westwood] (Hemiptera: Pentatomidae) is one of the predominant pest species, causing more severe damage in many regions than other stink bugs. Its attack reduces yield and quality of the beans. Plant resistance is a valuable strategy in integrated pest management that can reduce insect populations below economic injury level. Here, we report the resistance of 17 soybean entries to P. guildinii. PI 229358, PI 274454, L1-1-01, IAC 19, PI 171451, PI 227687, IAC 100, IAC 78-2318, PI 274453, and IAC 74-2832 caused high nymphal mortality (greater than 90 %), indicating the expression of antibiosis. IAC 100, IAC 74-2832, PI 274453, and IAC 24 also increased the length of the nymphal stage of P. guildinii, showing the same mechanism of resistance. Our findings may be useful for breeding programs that focus on the resistance of soybeans to insects.
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
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The silverleaf whitefly, Bemisia tabaci (Gennadius) biotype B (Hemiptera: Aleyrodidae), is considered one of the most important pests of cowpea (Vigna unguiculata L. Walp.), limiting the productivity of this crop worldwide. Chemical control is still the main strategy for the management of populations of this insect. However, due to the harmful effects of pesticides on the environment and to humans, less injurious alternatives have been investigated. Along this line, the use of resistant genotypes can be a valuable tool for the control of the silverleaf whitefly. In this paper, we investigate some biological aspects of B. tabaci biotype B confined on 14 genotypes of cowpea. We evaluated the incubation period, egg viability, duration of nymphal stages, total duration of the juvenile phase, instar mortality and total mortality of the immature stage. The genotype MNC 99-541 F21 exhibited antibiosis against the whitefly, prolonging the lifecycle of the insect. The genotypes Canapu, BRS-Urubuquara and TE97-304 G-4 also exhibited antibiosis, causing high nymphal mortality. These results may help in breeding programmes to develop cowpea lines with resistance to B. tabaci biotype B.