Improvement Efficiency of Recurrent Selection for the Combining Ability of Yield Trait in Maize Population Yuzong 5 Several Problems Concerning Poplar Heredity and Breeding Studies on the Utilization of Dominant Nuclear Male-sterility in Triticale Breeding Effects of Population Improvemetn on Grain Weight Per Plant and Ears Per Plant as Well as Plant Height by Using Tal Gene in Wheat Improvement Effect of MS1 and MS1-HS Recurrent Selection on Maize Population ZZ4 Ⅰ.Changes of Major Agronomic Traits Studies on the Application of Modified HS Reciprocal Recurrent Selection in Maize Population Improvement Method and Application Effect of Recurrent Selection for Restoring Line Breeding of Rice THE FIRST STUDY ON THE APPLICATION OF ANTHER CULTURE IN IMPROVEMENT OF SPRING WHEAT POPULATION Breeding the“53” corn inbred line by recurrent selection method Effect of Different Recurrent Selection Methods on the Genetic Diversity of a Narrow Base Maize Population Effect of Different Recurrent Selection Methods on a Narrow Base Maize Population Analysis of the General Combining Ability and Recurrent Selection of New Salt-Tolerant Alfalfa Germplasam Studies on the Development of Scab Resistant Gene Pool in Wheat Recurrent Selection in Brassica napus L. Effects of Phenotypic Recurrent Selection and Mass Selection on Improvement of Agronomic Traits in Wheat Populations Studies on the Development of Scab Resistant Gene Pool in Wheat Ⅰ.Analysis of the Scab Resistance and Plant Height in Different Recurrent Selection Populations STUDIES ON RECURRENT SELECTION FOR SPECIFIC COMBINING ABILITY IN TWO MAIZE POPULATIONS Progress in genetic and breeding research on rice chalkiness Composition of high-molecular-weight glutenin subunits of Taigu-male-sterile wheat recurrent selection population Improvement Effect of MS1 and MS1-HS Recurrent Selection in Maize Population ZZ4. Construction of Recurrent Selection Population for Pooling High Yield Genes and Their Selection