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Mostrando ítems 11-20 de 22
Article
Evaluación de híbridos experimentales de maíz del PRM en Centro América
(Universidad de Costa Rica, 2003)
El ensayo de híbridos experimentales blancos del PRM-2001, fue evaluado durante el año 2001 en 14 localidades de Centroamérica. El objetivo de este trabajo fue evaluar el rendimiento de grano y características agronómicas ...
Article
Genetic analysis of adult-plant resistance to leaf rust in five spring wheat genotypes
(American Phytopathological Society (APS), 2003)
Inheritance of adult-plant resistance to leaf rust, caused by Puccinia triticina, was studied in the progeny of a one-way diallel cross involving five CIMMYT-derived adult-plant resistant wheat (Triticum aestivum) genotypes ...
Article
QTL mapping for resistance to SCMV in chinese maize germplasm
(Consiglio per la Ricerca e la sperimentazione in Agricoltura, Unità di Ricerca per la Maiscoltura, 2003)
In this report we identified QTLs conferring resistance to Sugarcane Mosaic Virus (SCMV) and their use in marker-assisted selection (MAS) was described. The genetic linkage map covering 1543 cM on ten chromosomes with an ...
Article
Kernel ageing: an analysis in four Malaysian rice varieties
(Friends Science Publishers, 2003)
In the present investigations, efforts were made to find out the ageing influence on four popular Malaysian rice varieties i.e. Mahsuri, Mahsuri Mutant, NS 9192 and Putri (Q-50). In Mahsuri, highest proportionate change, ...
Article
Mapping and pyramiding of qualitative and quantitative resistance to stripe rust in barley
(Springer, 2003)
The identification and location of sources of genetic resistance to plant diseases are important contributions to the development of resistant varieties. The combination of different sources and types of resistance in the ...
Article
Calidad industrial de trigos harineros mexicanos para temporal. I. Comparación de variedades y causas de la variación
(Sociedad Mexicana de Fitogenética, 2003)
Para determinar el efecto de localidades, genotipos y su interacción, sobre la calidad industrial y el rendimiento de los trigos (Triticum aestivum L.) mexicanos de temporal o de secano, 15 genotipos de trigo harinero ...
Article
Molecular breeding for maize improvement: An overview
(The Council of Scientific & Industrial Research, 2003)
The maize genome is one of the most extensively analyzed among the plant genomes. Consequently, maize has been at the forefront in development and evaluation of an array of molecular markers for varied purposes in genetics ...
Article
Molecular marker mapping of Leaf Rust resistance gene Lr46 and its association with Strip Rust resistance gene Yr29 in wheat
(American Phytopathological Society (APS), 2003)
Leaf and stripe rusts, caused by Puccinia triticina and P. striiformis, respectively, are globally important fungal diseases of wheat that cause significant annual yield losses. A gene that confers slow rusting resistance ...
Article
Morpho-physiological traits associated with variable field performance of different types maize germplasm across multiple environments
(Consiglio per la Ricerca e la sperimentazione in Agricoltura, Unità di Ricerca per la Maiscoltura, 2003)
Field performance of maize varies substantially among various types of germplasm, such as- hybrids, inbred lines, and often with open pollinated varieties (OPVs). Variations in per se performance is better realized under ...
Article
Relationship between line per se and cross performance under low nitrogen fertility in tropical maize (Zea mays L.)
(Consiglio per la Ricerca e la sperimentazione in Agricoltura, Unità di Ricerca per la Maiscoltura, 2003)
Improved maize yields under low nitrogen (N) fertility is desired for both low- input production systems and also for judicious application of fertilizer nitrogen for a sustainable and environment friendly production ...