Breeding and Field Performance of Novel Soft and Waxy Transgenic Rice Lines without Selectable Markers METHOD OF WAXY HYBRID RICE BREEDING THROUGH RADIATION——DEVELOPMENT OF Teyou 63 nuo Quality Improvement of Long-te-fu Male Sterile Lines with Antisense Wx Gene and Associated Application in Rice Breeding INDUCTION OF ENDOSPERM MUTANTS AND CHARACTERIZATION OF THE MICROSATELLITE MARKER IN RICE( Oryza sativa L.) Vriation among Varieties with Different Ecotypes and Its Genetic Analysis of Amylose Content in Rice (Oryza sativa L.) Genetic Relationship among Wx Gene, AC, GC and GT of Rice Development of Near-isogenic Lines with Different Wheat Wx Genes and Their Effects on Amylose Content and Noodle Quality