桂单 2 2号以自选系双 M9作母本 ,5公作父本组配的单交种。1998～ 1999年参加第 14周期广西区 (省 )级区试 ,两年四造平均亩产 4 0 1.6公斤 ,比对照种桂单 19号增产 2 1.2 % ;1999年生产试验 ,比当地主推品种增产 2 9.72 %。高抗青枯病、丝黑穗病和茎腐病 ;抗大、小斑病、纹枯病、锈病、灰斑病、弯孢叶斑病和玉米螟 ,且耐旱性好。含粗蛋白 10 .74 % ,粗脂肪 2 .52 % ,粗淀粉70 .94 % ,赖氨酸 0 .2 58%。品质优、食味好 Gui Shan No. 2 2 to choose M9 as a double parent, 5 male paired with the single cross-species. During the period from 1998 to 1999, it participated in the Guangxi area (prefecture) level test in the 14th cycle, with an average of 40,16 kg per mu in two years, an increase of 2 1.2% over that of the control variety Guidan 19; in 1999, Increase production by 2 9.72%. High resistance to bacterial wilt, head smut and stalk rot; resistance to large and small spot disease, sheath blight, rust, gray leaf spot, Curvularia leaf spot and corn borer, and good drought tolerance. Crude protein containing 10.74%, crude fat 2.52%, crude starch 70.94%, lysine 0.228%. Excellent quality, good taste