Summer Maize Variety - Denghai 6213

Characteristics: This hybrid has a compact plant type. The average growth period is 101 days. The average plant height is 233 cm and the average ear position is 95 cm. It is resistant to lodging and has good disease resistance. High resistance to large spot disease, leaf spot, bacterial wilt, corn smut, corn dwarf mosaic disease, Curvularia spp. There is a certain resistance to corn borer. The ear was barrel-shaped, with a ear length of 17.1 cm, a panicle diameter of 5.1 cm, a shaft thickness of 3.1 cm, a bald head of 0.8 cm, a row number of 14.5 rows, a grain number of 520.1 grains, a grain weight of 329.0 grains, and a seed yield of 85.4%. White axis, grain half dentate, yellow. Crude protein content was 10.24%, crude fat content was 4.70%, lysine content was 0.27%, crude starch content was 71.74%, and bulk density was 756 g/l.

Production performance: In 2001, production trials were conducted with an average yield of 639.4 kg per mu.

Cultivation points: Appropriate density 3500 ~ 4000 / acre, sufficient planting, broadcast all seedlings, appropriate fertilization material, pay attention to NPK combined application. Apply basal fertilizer, reapply the attacking panicle fertilizer, and apply granule fertilizer in a discretionary manner. Pour the high-yield water from the big bell-mouth stage to the filling stage to prevent and control pests and diseases in time.

Appropriate range: It can be promoted and used in the suitable fertilizer and water plots in the province.