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Full Description
Landraces possess a very large genetic base in population structure and are dynamic populations of cultivated plants with historical origin, distinct identity, and without any formal crop improvement. They are often genetically diverse, locally adapted, and associated with traditional farming systems. Resistance genes to biotic and abiotic stress factors, which are especially diversified in landraces, are of great interest to plant breeders, faced with global climate challenge. In addition, gene pools made of different landraces grown in different ecological conditions can be used for wheat breeding to enhance quality; yield and other desirable agricultural parameters. An estimated 75% of the genetic diversity of crop plants was lost in the last century due to the replacement of high yielding modern varieties. There is, thus, an urgent need to preserve existing species, not only for posterity but also as a means to secure food supply for a rising world population. In this book, we provide an overview of wheat landraces with special attention to genetic diversities, conservation, and utilization.
Contents
Chapter 1 Introduction.- Chapter 2 Wheat Landraces in Mesopotamia.- Chapter 3 Conservation of Plant Genetic Resources.- Chapter 4 Characterization of Genetic Diversity in Wheat Landraces.- Chapter 5 Macro-Micro Elements in Wheat Landraces and their use in breeding.- Chapter 6 Nutritional and Technological Properties of Wheat Landraces.- Chapter 7 Total Economic Value of Wheat Landraces.- Chapter 8 Chemical contents of wheat landraces and their contribution to human health.- Chapter 9: Climate change and global warming effect on wheat landraces: a general approach.- Chapter 10 Wheat Landraces Versus Resistance to Biotic and Abiotic stresses.- Chapter 11- Contribution of landraces in wheat breeding.- Index.
