Validation No.: Lunong Audit 2006013. Approved in 2006.
Breeding unit: Chengde Yufeng Seed Industry Co., Ltd.
Characteristics: Semi-compact plant type, growth period 106 days, plant height 290 cm, ear position 131 cm, lodging rate 1.2%, turnover rate 1.1%. Ear tube type, ear length 18.1 centimeters, bald 0.4 centimeters, ear rows average 18.2 rows, cob white, grain yellow, half horse tooth type, 1,000 grain weight 331 grams. High resistance to small spot, large spot, mid-curvaved leaf spot, resistance to stem rot, senile smut, high resistance to dwarf mosaic disease. Crude protein content was 9.50%, crude fat content was 4.60%, lysine content was 0.20%, and crude starch content was 70.32%.
Yield performance: Generally about 550-600 kilograms per mu.
Cultivation techniques: Suitable density of 3500 plants/mu. Sowing with diammonium phosphate as a seed fertilizer about 15 kilograms per acre, topdressing 30-35 kilograms of urea per acre, top dressing time in 13-14 visible leaf stage is appropriate.
Appropriate areas: Promote the utilization of summer maize varieties on the middle-upper fertilizer and water plots suitable for the entire province.
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