Jimai 20,a new wheat cultivar with good bread and noodle quality,high yield,wide adaptability and good resistance to winter hardness,drought,lodging and sprout,was developed from cross Lumai 14/884187 through pedigree method by Crop Research Institute of Shandong Academy of Agricultural Sciences.It shows good qualitive characters such as high protein content,strong gluten strength,good starch properties,low Polyphenol Oxidase(PPO) activity.Its average yield was 7653 kg/hm2 and 4% higher than that of check c...