1, Jinnong University 777
The leaf sheaths of the seedlings are purple. The plant is compact, the plant height is 256 cm, and the ear position is 124 cm. The growth period is about 104 days. The tassel has 5 ~ 7 branches, the anthers are yellow and the filaments are light red.
2. Handan 777
It is a maize hybrid bred by Hubei Seed Group Co., Ltd. with "H70202" as female parent and "H70492" as male parent. Variety approval was put forward by Hubei Seed Group Co., Ltd. and passed at the sixth meeting of the Third National Crop Variety Approval Committee on September 2, 20 15020.
Step 3 choose 777
The corn varieties cultivated by Dezhou Denong Seed Industry Co., Ltd. belong to the first generation hybrid. 20 17-20 18 participated in the independent test of the common group of summer maize varieties (5000 plants/mu) of Guofeng Anbang Science and Enterprise Consortium, with an average yield of 700. 15 kg per mu, which was 7.95% higher than that of the control Zheng Dan 958. The average yield per mu of 20 18 was 634.2kg, which was 4.6% higher than that of the control Zheng Dan 958.
Matters needing attention in planting corn
1, and the sowing depth should be appropriate.
Regardless of machine sowing or hand sowing, the sowing depth of corn is required to be 3 ~ 5 cm. If topping is planned, the sowing depth can be 3 cm. Sowing too deep will lead to slow emergence and weak seedlings. Too much watering will lead to poor seedling emergence, leading to lack of seedlings.
2. Correct application of seed fertilizer
When sowing corn, sowing appropriate amount of phosphorus and potassium fertilizer as seed fertilizer can significantly enhance the growth at seedling stage, and then increase the yield. The following points should be paid attention to when using: the suitable application amount per mu is 10 ~ 20 kg; Seeds and fertilizers should be planted alternately, with a spacing of about 5 ~ 7 cm.
3. Pour water in time.
After sowing, cover your head with water in time. If too much fertilizer is sown and not watered in time, it is easy to cause fertilizer to burn seeds and cause serious seedling shortage. Appropriate amount of water, not too much. Flood irrigation is easy to form water accumulation in the field, which will lead to slow emergence, yellow seedlings and even serious shortage of seedlings. Especially for deep-sown plots, the amount of watering should be controlled.