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Adaptation of wheat to the canopy environment: physiological evidence that selection for vigor or random selection may reduce the frequency of high-yielding genotypes

Author: Reynolds, M.P.
Author: Acevedo, E.
Author: Sayre, K.D.
Author: Fischer, R.A.
Year: 1993
ISBN: 968-6923-15-2
ISSN: 0187-7787
URI: http://hdl.handle.net/10883/1177
Abstract: Increasing the potential yield of wheat is a major thrust of CIMMYT's Wheat Program. Farmer's wheat yields are linearly related to the yield potential of new varieties. At the same time, breeders should ideally be able to assess a new line's yield potential as early as possible after a cross has been made. Unfortunately, present breeding techniques do not allow confident assessment of grain yield in early generations. The work covered in this Wheat Special Report is a contribution to our understanding of the factors limiting grain yield in wheat. It is also a test of Donald's ideas of adaptation to communal growth. We hope that the results and discussion shed some light on our main objectives, i.e., selecting high yielding wheats in early generations through a better physiological understanding and increasing the yield potential of wheat.
Format: PDF
Language: English
Publisher: CIMMYT
Serie: CIMMYT Wheat Special Report (WPSR)
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 CIMMYT-Knowledge-Center@cgiar.org 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.
Type: Report
Region: Global
Place of Publication: Mexico
Pages: 17 pages
Serie Number: 25
Agrovoc: WHEAT
Agrovoc: CANOPY
Agrovoc: ADAPTATION
Agrovoc: GENOTYPE ENVIRONMENT INTERACTION
Agrovoc: YIELD FACTORS
Agrovoc: ENVIRONMENTAL FACTORS


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  • Wheat
    Wheat - breeding, phytopathology, physiology, quality, biotech

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