Crop Production/Industries, Research and Development/Tech Change/Emerging Technologies,

Beck, David

Morris, Michael L.

Risopoulos, Jean

English

Research Papers in Economics

A pure-line method of corn breeding.

Adopción y uso de semilla mejorada de maíz entre pequeños agricultores de Guatemala. Publicación Técnica de Difusión del Programa Colaborativo ICTAPRM-CIMMYT.

Adoption of Maize Production Technologies in the Southern Highlands of Tanzania. Mexico, D.F.: CIMMYT, the Republic of Tanzania, and the Southern Africa Centre for Cooperation in Agricultural Research

Adoption, management and impact of hybrid maize seed

Africa’s emerging maize revolution.

Agronomic and economic competitiveness of maize landraces and in situ conservation in

Aislamiento y dispersión de polen en la producción de semilla de maíz. Tesis de M.C., Colegio de Postgraduados,

Análisis agro-economico del uso de generaciones avanzadas de semilla mejorada de maíz en los valles altos de Mexico.

Análisis economico de la producción y uso de la semilla mejorada de maíz: El caso de Mexico.

Analisis regional de la diversidad del maíz en el sureste de Guanajuato.

Beginnings of the heterosis concept.

Biodiversity and Modern Crop Varieties: Sharpening the debate.

Biometrical genetics.

Book of abstracts. The genetics and exploitation of heterosis in crops; An international symposium.

Breeding field crops.

Capacidad productiva de semilla F1, F2 y F3 del hibrido simple de maíz H-34.

CIMMYT maize soil fertility and agronomy research in Southern Africa. In: CIMMYT,

Conservation and evolution of maize in Amecameca and Cuautla valleys of Mexico. Unpublished Ph.D. dissertation.

Corn and Corn Improvement.

Corn investigations.

Current Problems of Detasseling,” in American Seed Trade Association (ASTA),

Designing seed systems with small farmers: Principles derived from bean research in the Great Lakes region of Africa.

Development and evaluation of maize hybrids in Zambia. In:

Dominance and overdominance. In: CIMMYT,

Epistasis and heterosis. In: CIMMYT,

Estudio de infiltración genética de los maices mejorados sobre los criollos de temporal de los estados de México, Puebla y Tlaxcala. Tesis de M.C. Colegio de Postgraduados de Chapingo,

Evaluación de generaciones filiales de nueve hibridos de maíz Zea mays L. en tres localidades de la zona tropical baja de Guatemala. Tesis. Universidad Rafael Landivar, Facultad de Ciencias Agricolas y Ambientales,

Evaluation of recycled maize hybrids at three levels of nitrogen in Malawi. In:

Factors influencing maize seed recycling and their implications to hybrids.

Farmers’ knowledge and practices in smallholder seed production, with special reference to a case study in Central America. In:

Farmers’ seed selection practices and maize variety characteristics in a traditionally-based Mexican community. CIMMYT Economics Program Working Paper.

Farmers’ use of improved seed selection practices

Gene flow among Maize Landraces, Improved Maize Varieties and Teosinte: Implications for Transgenic Maize.

Genetic analysis of grain yield in maize as manifested in genetically diverse varietal populations and their crosses.

Grain yield and economic performance of experimental open-pollinated varieties and released hybrids of maize in remote semi-arid areas of Zimbabwe.

Heterosis: What have we learned, what have we done, where are we headed? In: CIMMYT,

Household maize variety selection in Lumle Agricultural Centre Extension Command Area.

Impacts of international maize breeding research in the developing world,

Implications of the variance effective population size on the genetic conservation of monoecious species.

In situ conservation of maize in Mexico: Genetic diversity and maize seed management in a traditional community.

Inheritance of quantitative characters in crosses involving two species of Lycopersicon.

Interpopulation hybrids in open-pollinated varieties of maize.

Introduction to quantitative genetics.

Keepers of maize in

La producción campesina en CentroAmerica: Los sistemas locales de semilla.

Local seed systems and their importance for an improved seed supply in developing countries.

Maize commodity team annual report for the 1992/3 season, Chitedze Agricultural Research Station, Department of Agricultural Research, Ministry of Agriculture,

Maize commodity team annual report for the 1993/4 season, Chitedze Agricultural Research Station, Department of Agricultural Research, Ministry of Agriculture,

Maize in the developing world: Waiting for a green revolution.

Maize production practices and problems in Egypt: Results of three farmer surveys.

Maize productivity gains through research and technology dissemination.

Maize seed industries in developing countries.

Maize seed industries revisited: Emerging roles of the public and private sectors.

Management of maize seed production fields. Unpublished paper,

Methodologies for estimating the sample size required for genetic conservation of outbreeding crops.

Modern varieties, productivity and sustainability. Recent experience and emerging challenges. Mexico D.F.:

Nuestro maíz – Treinta monografias populares. Consejo Naconal de Fomento Educativo, Secretaría de Educación Publica,

Oferta y demanda de semilla mejorada de maíz en El Salvador. Publicación Técnica de Difusión del Programa Colaborativo ICTA-PRM-CIMMYT.

Performance of advanced generation corn hybrids.

Population genetics. Pacific Grove, California: Boxwood

Potencial productivo de las generaciones avanzadas de los híbridos tropicales de maíz H-503, H-507 y H-510. Fitotecnia 8:

Principios de la mejora genética de plantas (traduccion L.

Prospects for the hybrid seed industry in developing countries.

Relation between heterozygosis and yield for four types of maize inbred lines.

Report on a maize/millet Samuhik Bhraman in Dhankuta and Terhathum Districts. Pakhribas Agricultural Centre Working Paper No 38. Pakhribas Agricultural Centre, Dhankuta District,

Research on aspects of maize seed production in Zimbabwe. Towards self-sufficiency.

Research on gene flow between improved maize and landraces.

Research Summary 1985-6. Rattray-Arnold Research Station Annual Report, agronomy section.

Seed exchange among farmers and gene flow among maize varieties in traditional agricultural systems. In: Serratos et al. (eds)

Seed production by smallholder farmers.

Seeds for African peasants, peasants’ needs and agricultural research — The case of Zimbabwe.

Semillas, sistemas locales de provision de semillas de maíz y frijol. In: Cuadernos del Centro para la Investigación, la promoción y el desarollo rural y social (CIPRES), No 16.

Senescence and receptivity of maize silk.

The adoption of improved maize varieties in Pakhribas local target area: Results of a survey and their implications for further research. PAC Economic Planning Unit.

The composition of a field of maize.

The conservation of agrobiodiversity on-farm: Questioning the emerging paradogm.

The decrease in yielding capacity in advanced generations of hybrid corn.

The dynamics of adoption: Distribution and mortality of bean varieties among small farmers in Rwanda.

The effects of inbreeding and crossbreeding on guinea pigs. III. Crosses between highly inbred families.

The erosion of crop genetic diversity: Challenges, strategies and uncertainties. Natural Resource Perspectives, No 7,

The possibilities of modern corn breeding.

Towards understanding and manipulating heterosis in crops – Can molecular genetics help? In: CIMMYT,

Traditional seed saving practices in

Variación en maíz y cambios socio-económicos en Chiapas, México 1946-1971. Tesis de especialidad Botánica. Colegio de Posgraduados,

Varietal development: Conventional plant breeding.

with contributions from

Yield comparison of first and second generation hybrid and open pollinated maize cultivars under similar growth conditions in semi-arid areas.

Genetic Change in Farmer-Recycled Maize Seed: A Review of the Evidence

Genetic Change in Farmer-Recycled Maize Seed: A Review of the Evidence

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Research Papers in Economics