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Full Description
This book presents successful examples of smart genome modification in rice through a unique series of Koshihikari isogenic cultivars developed by the author. Climate change continues to impose severe constraints on rice production worldwide, and these isogenic lines incorporate new genes or gene combinations that prevent lodging caused by typhoons and heavy rains, stabilize yields, and reduce ripening damage under high temperatures.
Koshihikari, a leading Japanese japonica cultivar known for its excellent eating quality, serves as the genetic background for these improved lines. The resulting isogenic cultivars hold strong potential for application in agriculture and food‑processing industries and may contribute to addressing global food‑security challenges.
Chapters in this book describe the successive backcrossing strategy used to modify key loci related to regional adaptability and grain‑yield potential, and they present multiple Koshihikari isogenic cultivars with altered allelic constitutions at one or two loci. This framework enables precise evaluation of the genetic basis of important agronomic traits.
By integrating fundamental genetics with practical breeding methodology, the book serves as a valuable reference for scientists and graduate students in plant genetics, genomics, molecular biology, breeding, and biotechnology, as well as for plant breeders and biotechnologists in universities, research institutes, and seed and seedling companies.
Contents
Chapter 1. Introgression of the Green Revolution sd1 Gene into the Rice Super Cultivar Koshihikari to Develop the Semidwarf Variety 'Hikarishinseiki' (Koshihikari-sd1).- Chapter 2. The Essential Role of the Non-Lethal Gametic Gene Gal on Chromosome 5 for the Inheritance of the Semidwarfing Gene d60 in Rice.- Chapter 3. Integrating Two Semidwarf Genes, d60 and sd1, for Height Reduction in 'Minihikari', a Novel Rice Germplasm Derived from the 'Koshihikari' Genetic Background.- Chapter 4. Semidwarf Gene d60 Interacted with Ubiquitous Gamete Lethal Gene gal Express Rare Double Dwarf Phenotype with d30 via Recombination Disrupting Repulsion-Phase Linkage on Rice Chromosome 2.- Chapter 5. Rice Novel Semidwarf Gene d60 Causing Pleiotropic Gamete Abortion is localized on Chromosome 2.
