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Rice Improvement - Physiological, Molecular Breeding and Genetic Perspectives (Paperback, 1st ed. 2021)
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Rice Improvement - Physiological, Molecular Breeding and Genetic Perspectives (Paperback, 1st ed. 2021)
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This book is open access under a CC BY 4.0 license. By 2050, human
population is expected to reach 9.7 billion. The demand for
increased food production needs to be met from ever reducing
resources of land, water and other environmental constraints. Rice
remains the staple food source for a majority of the global
populations, but especially in Asia where ninety percent of rice is
grown and consumed. Climate change continues to impose abiotic and
biotic stresses that curtail rice quality and yields. Researchers
have been challenged to provide innovative solutions to maintain,
or even increase, rice production. Amongst them, the 'green super
rice' breeding strategy has been successful for leading the
development and release of multiple abiotic and biotic stress
tolerant rice varieties. Recent advances in plant molecular biology
and biotechnologies have led to the identification of stress
responsive genes and signaling pathways, which open up new
paradigms to augment rice productivity. Accordingly, transcription
factors, protein kinases and enzymes for generating protective
metabolites and proteins all contribute to an intricate network of
events that guard and maintain cellular integrity. In addition,
various quantitative trait loci associated with elevated stress
tolerance have been cloned, resulting in the detection of novel
genes for biotic and abiotic stress resistance. Mechanistic
understanding of the genetic basis of traits, such as N and P use,
is allowing rice researchers to engineer nutrient-efficient rice
varieties, which would result in higher yields with lower inputs.
Likewise, the research in micronutrients biosynthesis opens doors
to genetic engineering of metabolic pathways to enhance
micronutrients production. With third generation sequencing
techniques on the horizon, exciting progress can be expected to
vastly improve molecular markers for gene-trait associations
forecast with increasing accuracy. This book emphasizes on the
areas of rice science that attempt to overcome the foremost
limitations in rice production. Our intention is to highlight
research advances in the fields of physiology, molecular breeding
and genetics, with a special focus on increasing productivity,
improving biotic and abiotic stress tolerance and nutritional
quality of rice.
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