STUDIES ON THE HETEROSIS OF TWO-LINE HYBRID RICE Ⅱ. ANALYSES OF PHYSIOLOGICAL AND BIOLOGICAL CHARACTERS How to Tackle Insecurity Problems in Seed Production of Two-line Hybrid Rice Molecular Marker-assisted Selection for Improving Cooking and Eating Quality in Teqing and Its Hybrid Rice Characteristics of Transgenic Rice Overexpressing Maize Photosynthetic Enzymes for Breeding Two-line Hybrid Rice Ratooning Properties of Axillary Buds of Two-line Hybrid Rice in vivo and in vitro Induced Mutation and Characteristics of Mutant Labeled With White Midrib Leaf Marker in Two-line Male Sterile Rice (Oryza sativa L.) Relationship between biological quality and nutrition of rice and damage of Chilo suppressalis STUDIES ON THE HETEROSIS OF TWO-LINE HYBRID RICE I. PERFORMANCE OF MAIN AGRONOMIC CHARACTERS Effects of rudimental stubble heights on the yield and source-sink characteristics of ratooning rice:a case study for two-line hybrid rice Peiliangyou 210 Relationship between Indica-Japonica Index of Parents and Heterosis of Hybrid and Its Genetic Basis in Japonica Two Line Hybrid Rice