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Adapting wheat cultivars to resource conserving farming practices and human nutritional needs

Autor: Trethowan, R.M.
Autor: Reynolds, M.P.
Autor: Sayre, K.D.
Autor: Ortiz-Monasterio, I.
Año: 2005
ISSN: 0003-4746
Resumen: As farmers increasingly adopt resource conserving farming practices, there is a need for wheat cultivars that better adapt to the changing environment and the nutritional needs of people, particularly those living in developing countries. Improved adaptation to zero and minimum tillage, better water use effi ciency, improved root health, durable resistance to foliar diseases and enhanced nutritional value of the grain are key selection criteria for plant breeders. Signifi cant responses to selection for these constraints have been achieved at the International Maize and Wheat Improvement Center (CIMMYT), by selecting segregating populations and advanced lines in carefully managed tillage, moisture defi cit and heat stressed environments, that correlate with key spring wheat growing environments globally. Root health has been improved through a combination of marker assisted selection and disease bioassays, and the nutritional value of wheat grain has been enhanced using genetic variation for high Fe and Zn grain content found among tetraploid wheat ancestral species.
Lenguaje: English
Copyright: CIMMYT manages Intellectual Assets as International Public Goods. The user is free to download, print, store and share this work. In case you want to translate or create any other derivative work and share or distribute such translation/derivative work, please contact indicating the work you want to use and the kind of use you intend; CIMMYT will contact you with the suitable license for that purpose.
Tipo: Article
Región: Global
Paginas: 405-413
No de Revista: 4
Revista: Annals of Applied Biology
Volumen de la Revista: 146
Palabras Claves: Wheat
Palabras Claves: Water use
Palabras Claves: Drought
Palabras Claves: Conservation tillage
Palabras Claves: Human nutrition

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Este ítem aparece en la(s) siguiente(s) colección(ones)

  • Wheat
    Wheat - breeding, phytopathology, physiology, quality, biotech
  • Sustainable Intensification
    Sustainable intensification agriculture including topics on cropping systems, agronomy, soil, mechanization, precision agriculture, etc.

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