CHAPER 3 MODES OF REPRODUCTION AND PLANT BREEDING 物繁殖方式与有种 BY s Niu Yingze (牛应门 Dept. of Plant Breeding and Seed EngineeringCHAPTER 3 MODES OF REPRODUCTION AND PLANT BREEDING 植物繁殖方式与育种 BY Niu Yingze （牛应泽） Dept. of Plant Breeding and Seed Engineering