【Main Characters of Varieties】
The Huanghuaihai summer corn group emerges to maturity 101.7 days, which is 1.1 days earlier than the control Zhengdan 958. Seedlings have light purple sheaths, dark green leaves, light purple anthers, and green glumes. The plant is semi-compact, with a plant height of 273 cm, an ear height of 110 cm, and a plant with 20 leaves. The ear is tube-shaped, the ear length is 17.9 cm, the number of ear rows is 16-18, the ear thickness is 4.8 cm, the cob is red, the grain is yellow, and the grain is half-dented. The hundred-grain weight is 35.9 grams. The grain bulk weight is 738 g/L, the crude protein content is 9.07%, the crude fat content is 4.61%, the crude starch content is 74.62%, and the lysine content is 0.32%.
【Adaptability】
Participated in the Huanghuaihai Summer Corn Group Green Channel Regional Test from 2018 to 2019, the average yield per mu in two years was 639.9 kg, which was 3.4% higher than the control Zhengdan 958. In the 2019 production test, the average yield per mu was 642.5 kg, an increase of 1.7% over the control Zhengdan 958. Vaccination identification, resistance to southern rust, medium resistance to stalk rot, small spot disease, susceptible ear rot, curvularia leaf spot, and highly susceptible smut.
【Main cultivation measures】
1. Cultivation on plots with medium fertility and above, sowing from late May to mid-June. 2. The suitable planting density per mu is 4000-4500 plants. 3. Pay attention to the prevention and control of ear rot and curvularia leaf spot, and focus on the prevention and treatment of tumor smut. Use caution in areas with high incidence of tumor smut. 4. In terms of fertilization and management, it is required to emphasize the bottom and early recovery, and increase the application of organic fertilizers, phosphorus and potassium fertilizers.
[Suitable area for planting]
Suitable for the Huanghuaihai summer corn area of Henan Province, Baoding City of Hebei Province and the southern and southern areas of Cangzhou City, Guanzhong Irrigation District of Shaanxi Province, Yuncheng City and Linfen City of Shanxi Province, parts of Pingchuan area of Jincheng City, Jiangsu and Anhui provinces Planted in areas north of the Huaihe River and Xiangyang in Hubei Province. Province, mountain
