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雄性不育在作物杂种优势中的应用途径分析
石子,宋伟(),赵久然()
Application of Male Sterility in Crop Heterosis
Zi SHI,Wei SONG(),Jiu-ran ZHAO()

图1. 雄性不育各个应用途径的示意图

Fig.1. The schematic diagram for the application of various male sterility mechanisms(a) Three line system of cytoplasmic sterility rf: Recessive restorer gene; Rf: Dominant recessive restorer gene; N: Normal fertile cytoplasm; S: Sterile cytoplasm (b) Environment-sensitive genic male sterility MT: Mutant, WT: Wild type (c) Seed production technology ms: Recessive genetic male-sterile gene; Ms: Male fertility gene; P: Pollination disruption gene, S: Seed screenable marker gene