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Mostrando ítems 11-20 de 30
Article
The Gametophyte-1 locus and reproductive isolation among Zea mays subspecies
(Consiglio per la Ricerca e la sperimentazione in Agricoltura, Unità di Ricerca per la Maiscoltura, 2006)
Fourteen paired populations of annual teosinte and an associated maize landrace were characterized for allelic composition of the potential crossing barrier locus ga1. The four populations of subspecies parviglumis teosinte ...
Article
Yield losses in wheat (Triticum aestivum L.) genotype inoculated with single and mixed isolates of Septoria tritici rob ex. desm
(Colegio de Postgraduados, 2006)
This paper reports the effect of inoculations with single and mixed Septoria tritici isolates on grain yield and 1000 grain weight of susceptible and resistant wheat genotypes. Nine bread wheat (Triticum aestivum L.) ...
Article
Incorporation of elite subtropical and tropical maize germplasm into elite temperate germplasm
(Consiglio per la Ricerca e la sperimentazione in Agricoltura, Unità di Ricerca per la Maiscoltura, 2006)
Elite germplasm and adequate genetic variation are essential in successful plant breeding programs.Maize (Zea mays L.) breeding programs in the U.S. Corn Belt have realized significant genetic advance with a limited sample ...
Article
Evaluation of Zapalote Chico accessions for conservation and enhancement
(Consiglio per la Ricerca e la sperimentazione in Agricoltura, Unità di Ricerca per la Maiscoltura, 2006)
Conserving traditional maize (Zea mays L.) landraces grown by farmers in Latin America can con- tribute to food security. Core subsets of such landraces that represents that diversity can be used for their en- hancement. ...
Article
Caracterización de la diversidad del pasto nativo Bouteloua curtipendula Michx. Torr. mediante marcadores de AFLP
(Colegio de Postgraduados, 2006)
El pasto Banderita (Bouteloua curtipendula) Michx. (Torr.), es una especie nativa de México, pero no se ha hecho un uso planificado de su riqueza genética. Para determinar relaciones genéticas en 90 poblaciones nativas de ...
Article
Efecto de diferentes alelos de gluteninas de alto peso molecular sobre las propiedades viscoelasticas de la masa de trigos harineros
(Colegio de Postgraduados, 2006)
Wheat (Triticum aestivum L.) industrialization quality is intimately related to the quantity and quality of proteins; this depends on the presence of different alleles of glutenin of high molecular weight. To determine the ...
Article
Marker assisted introgression of opaque2 gene into herbicide resistant elite maize inbred lines
(Academic Journals, 2006)
Marker assisted selection in combination with conventional breeding can greatly accelerate the introgression of modified opaque2 genotype into herbicide resistant maize. By combining these two approaches, time and costs ...
Article
Detection of Bacillus thuringiensis genes in transgenic maize by the PCR method and FTA paper technology
(Academic Journals, 2006)
We optimized the PCR method to detect genetically engineered Bacillus thuringiensis (Bt) maize in open quarantine fields in Kenya. Many factors affect the extraction of the DNA from plants, such as the amount of tissue ...
Article
Screening tropical maize lines for the production and regeneration of friable and embryogenic type II callus
(Academic Journals, 2006)
Twenty two maize lines popularly used by breeders in the Kenyan maize program were screened for their ability to form type II callus. The immature embryos were harvested two weeks after pollination. Two highland lines ...
Article
Genetic distance based on SSR markers and testcross performance of maize inbred lines
(National Institute of Genetic Engineering and Biotechnology, 2006)
The identification of parental inbred lines to develop superior hybrids is a rather costly and time-consuming step in maize breeding. In some cases, pedigree information has been used to select diverse parental lines. In ...