中单二号是中国农科院作物所配制的玉米单交种,组合是MO17×330。1985年我市引进示范种植,表现突出。百亩以上示范片晚季单种亩产351.5～419.0公斤,小面积高额丰产田高达500.1公斤。抗大、小斑病,生育期适中。现将其特点和栽培技术简介如下:一、主要特点(一)生育期、叶龄中单二号晚季单种全生育期90天,其中播种至抽雄42天。全株叶片数16.4～16.5叶,穗位叶11.2叶。 No. 2 in the single Chinese Academy of Agricultural Sciences is the preparation of corn monocultures, the combination is MO17 × 330. In 1985 the city introduced demonstration planting, outstanding performance. Demonstration of late acres of more than a single mu per month 351.5 ~ 419.0 kg, a small area of ​​high yield of up to 500.1 kg. Anti-large, small spot disease, moderate growth period. Now its characteristics and cultivation techniques are as follows: First, the main features (A) growth period, leaf age in the second single late 90 days of a single full-length, of which sowing to tasseling 42 days. The whole plant leaf number 16.4 ~ 16.5 leaves, ear leaves 11.2 leaves.