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Ortiz-Monasterio, I.

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Ortiz-Monasterio
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Ortiz-Monasterio, I.

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  • Dimensions of diversity in CIMMYT bread wheat from 1965 to 2000
    (CIMMYT, 2000) Smale, M.; Reynolds, M.P.; Warburton, M.; Skovmand, B.; Trethowan, R.; Singh, R.P.; Ortiz-Monasterio, I.; Crossa, J.; Khairallah, M.M.; Almanza Pinzon, M.I.
    To the extent possible, this paper summarizes scientific evidence on the scope of the genetic base in modern bread wheat varieties in the developing world from 1965 to the present, drawing on previously published research and new analyses of experimental
    Publication
  • Effects of date of sowing on the yield and yield components of spring wheat and their relationship with solar radiation and temperature at Ludhiana, Punjab, India
    (CIMMYT, 1993) Dhillon, S.S.; Ortiz-Monasterio, I.
    This Wheat Special Report analyzes the effects of radiation and temperature on the date of flowering and grain yield of spring bread wheat cropped under optimum conditions. The experiments were conducted at Ludhiana, Punjab, India, over 7 years and using a range of genotypes. The optimum flowering date for maximization of wheat grain yields is confirmed to be when the ratio of radiation to temperature (PTQ) is at its maximum. The individual effects of radiation and temperature on yield and yield components at various stages of crop development are also examined. We hope that the concepts validated here will be useful elements of wheat component agronomy in the development of new spring wheat varieties and better agronomic practices for wheat grown under irrigation (Mega-environment 1). This long version (No. 23b) has four additional appendices that contains raw data collected during the experiments, which may be of interest to some reseachers. S.S. Dhillon is an agronomist with the Department of Plant Breeding, Punjab Agricultural University, Ludhiana, India, and J.1. Ortiz-Monasterio R. is an agronomist, with the Wheat Program, Crop Management and Physiology Subprogram, CIMMYT, Mexico.
    Publication
  • Effects of date of sowing on the yield and yield components of spring wheat and their relationship with solar radiation and temperature at Ludhiana, Punjab, India
    (CIMMYT, 1993) Dhillon, S.S.; Ortiz-Monasterio, I.
    This Wheat Special Report analyzes the effects of radiation and temperature on the date of flowering and grain yield of spring bread wheat cropped under optimum conditions. The experiments were conducted at Ludhiana, Punjab, India, over 7 years and using a range of genotypes. The optimum flowering date for maximization of wheat grain yields is confirmed to be when the ratio of radiation to temperature (PTQ) is at its maximum. The individual effects of radiation and temperature on yield and yield components at various stages of crop development are also examined. We hope that the concepts validated here will be useful elements of wheat component agronomy in the development of new spring wheat varieties and better agronomic practices for wheat grown under irrigation (Mega-environment 1). This short version (No. 23a) does not include the raw data that may be of interest to some scientists. This information (Le., correlation coefficients for the three genotypes used in the experiments, means averaged across reps, and climatic data) is provided in Appendices 2 through 5, which are included in No. 23b. S.S. Dhillon is an agronomist with the Department of Plant Breeding, Punjab Agricultural University, Ludhiana, India, and J.1. Ortiz-Monasterio R. is an agronomist, with the Wheat Program, Crop Management and Physiology Subprogram, CIMMYT, Mexico.
    Publication
  • México y el CIMMYT
    (CIMMYT, [2008?]) Aquino Mercado, P.R.; Peña, Roberto; Ortiz-Monasterio, I.
    Casi medio siglo de investigación y colaboración del CIMMYT con investigadores, funcionarios y productores de México ha fructificado en: Variedades y poblaciones de maíz de alto rendimiento y mayor valor nutritivo. Variedades de trigo de alto rendimiento, resistencia a enfermedades y alta calidad industrial. Prácticas agronómicas que reducen los costos de producción, aumentan la productividad y conservan recursos naturales como el suelo, el agua y el aire. Mediante capacitación, investigadores y técnicos con mejores conocimientos y vocación para el desempeño de sus actividades. Mediante publicaciones y otras fuentes de información, divulgación de conocimientos nuevos generados por la investigación, así como de datos y recomendaciones que contribuyen a la investigación y la formulación de políticas acertadas. Los indicadores cualitativos y cuantitativos muestran que la sólida y duradera colaboración México-CIMMYT ha beneficiado tanto a los productores como a la economía nacional, contribuyendo a los avances en la productividad y rentabilidad del campo y al bienestar de los productores y los consumidores. Por otra parte, las actividades conjuntas de investigadores nacionales y del CIMMYT en áreas como la conservación y utilización de los recursos genéticos de maíz, el desarrollo de variedades de trigo de alto rendimiento, resistentes a enfermedades y alta calidad de procesamiento, y los estudios sobre mejores prácticas, como la siembra en camas, han beneficiado a productores y consumidores en todo el mundo en desarrollo, lo cual puede considerarse como una aportación significativa de México para la humanidad.
    Publication