【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. The seedling leaf sheath is light purple, the leaves are dark green, the anthers are yellow, and the glumes are green. The plant is semi-compact, with a plant height of 257 cm, a spike height of 97 cm, and a plant with 19 leaves. Ear cone to tube, ear length 17.8 cm, ear rows 16-18 rows, ear thickness 4.6 cm, cob red, yellow kernels, half horse teeth, 100-kernel weight 35.1 grams. Grain bulk weight is 735 g/L, crude protein content is 8.96%, crude fat content is 3.63%, crude starch content is 75.12%, and lysine content is 0.3%.
【Adaptability】
Participated in the Yellow-Huaihai Summer Corn Group Green Channel Regional Test from 2018 to 2019. The average yield per mu in two years was 641.7 kg, an increase of 3.7% over the control Zhengdan 958. In the production test in 2019, the average yield per mu was 644.2 kg, an increase of 1.9% over the control Zhengdan 958. Inoculation identification, susceptible to stem rot, ear rot, small spot disease, southern rust, highly susceptible to curvularia leaf spot, tumor 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 stem rot, ear rot, small spot disease, southern rust, and focus on the prevention and control of curvularia leaf spot, tumor smut, and areas with high incidence of curvularia leaf spot and tumor smut should be used with caution. 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]
It is suitable for the southern and southern areas of Henan Province, Shandong Province, Baoding City, Hebei Province, and Cangzhou City in the Huanghuaihai Summer Corn Region, Guanzhong Irrigation District in Shaanxi Province, Yuncheng City and Linfen City in Shanxi Province, parts of Pingchuan City in Jincheng City, Jiangsu and Anhui Planted in the area north of the Huaihe River in the two provinces and in the Xiangyang area of Hubei Province.
