Genetic Analysis and Gene Fine Mapping of Yellow-Green Leaf Mutant ygl80 in Rice Morphological Characterization and Fine Mapping of Zebra Leaf Mutant zebra1349 in Rice (Oryza sativa L.) Fine Mapping of QTL qtgw1 for Thousand-Grain Weight of Rice Characterizations of a Mutant Gene hw-1(t) for Green-revertible Albino, High Tillering and Dwarf in Rice (Oryza sativa L.) Identification and Fine Mapping of a Semidwarf Gene iga-1 in Rice