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Hybrid breeding in wheat: technologies to improve hybrid wheat seed production
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Journal Article
Hybrid breeding in wheat: technologies to improve hybrid wheat seed production
2013
Overview
Global food security demands the development and delivery of new technologies to increase and secure cereal production on finite arable land without increasing water and fertilizer use. There are several options for boosting wheat yields, but most offer only small yield increases. Wheat is an inbred plant, and hybrids hold the potential to deliver a major lift in yield and will open a wide range of new breeding opportunities. A series of technological advances are needed as a base for hybrid wheat programmes. These start with major changes in floral development and architecture to separate the sexes and force outcrossing. Male sterility provides the best method to block self-fertilization, and modifying the flower structure will enhance pollen access. The recent explosion in genomic resources and technologies provides new opportunities to overcome these limitations. This review outlines the problems with existing hybrid wheat breeding systems and explores molecular-based technologies that could improve the hybrid production system to reduce hybrid seed production costs, a prerequisite for a commercial hybrid wheat system.
Publisher
Oxford University Press [etc.],Oxford University Press
Subject
Agronomy. Soil science and plant productions
/ Biological and medical sciences
/ Breeding
/ Chimera
/ Corn
/ Crops, Agricultural - genetics
/ flowers
/ Fundamental and applied biological sciences. Psychology
/ Genes
/ Genetics
/ Genetics and breeding of economic plants
/ Heterosis. Floral biology applications: apomixy, male sterility, incompatibility, varia
/ hybrids
/ methods
/ Plant breeding: fundamental aspects and methodology
/ Plant Infertility - genetics
/ Plant physiology and development
/ Plants
/ Plants, Genetically Modified
/ pollen
/ Seeds
/ selfing
/ Triticum
/ Wheat
