Approval number: National jade 2005025
Breeding unit: Shiyan Academy of Agricultural Sciences, Hubei
Characteristic characteristics : In the southwest region, it is 115~118 days from emergence to maturity. 108 days earlier than the control Nongda 1 days, effective accumulated temperature of about 2800 degrees. The leaves of the seedlings are purple, with green leaves, green leaves, anthers yellow and glumes purple. The plant type is flat, the plant height is 259~271 cm, the spike height is 103~110 cm, and the number of adult plant leaves is 19~20. The silk is green, its ears are long and conical, its length is 17~19 centimeters, its rows are about 16 rows, its cob is red, its grain is yellow, half - dentate, and its grain weight is 28~30 grams. After two years of inoculation and identification at the Plant Protection Institute of Sichuan Academy of Agricultural Sciences, smut, small leaf spot, stem rot, sheath blight and corn borer were smut. According to the Ministry of agriculture's Grain Quality Supervision and Inspection Center (Harbin), the grain bulk density was 760 grams / liter, crude protein content was 10.12%, crude fat content was 5.39%, crude starch content was 72.41%, lysine content was 0.27%. Measured by the corn center of Beijing Academy of Agricultural Sciences, the grain bulk density was 776 grams / liter, crude protein content was 9.97%, crude fat content was 4.61%, and crude starch content was 72.23%.
Yield performance : 2003~2004 years participated in the regional test of Southwest corn group, increased production at 41 times, reduced yield by 9 times, averaged 596.2 kg, and increased 8.76% over the control of Nongda 108; in 2004, the average yield per mu was 552.4 kg, which increased by 6.82% over the control.
Main points of cultivation : Appropriate density of 3200 plants per mu, attention should be paid to the prevention and control of head smut.
Suitable planting area It is suitable for planting in Hubei, Chongqing, Sichuan, Guizhou and Yunnan.