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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.
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.
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