The top 1 corn seeds are Zhengdan 958, Jingke 968, Liangyu 99, Xianyu 355, Tiannong 9, Yufeng 33, Weike 966, Denghai 672, Jundan 2 and Lenong 79.
1. Zhengdan 958
Zhengdan 958 is the largest corn variety planted in China at present, and it has been popularized for nearly 5 million mu nationwide. This variety is a mid-mature maize hybrid, with a plant height of about 246 cm and an ear height of about 11 cm. The grain is yellow, half-horse-toothed, with white axis and thin axis, and the seed yield is about 9%. The growth period of summer sowing is about 96 days, and spring sowing is about 15 days. Good comprehensive resistance and good seed setting.
2. Jingke 968
passed the national examination and approval in 218. It has a wide suitable area and is suitable for planting in spring corn areas in northeast China, northwest China and southeast China. It takes 128 days from emergence to maturity in northeast China. Its plant type is semi-compact, its plant height is 296 cm and its ear position is 12 cm. It has an absolute advantage in Tongliao, Inner Mongolia.
3. Liangyu 99
It takes about 128 days from emergence to maturity in northeast and north China, and the growth period of summer sowing is about 98 days, with compact plant type and close planting tolerance. Suitable for plots with medium fertility or above, various planting methods can be adopted. Generally, the yield per mu is about 8-9 kg, and it can reach about 11 kg under high-yield cultivation.
4. Xianyu 355
This variety is a new hybrid corn variety bred by Tieling Xianfeng Seed Research Co., Ltd. Since it passed the national examination and approval in 24, it has passed the examination and approval of more than 2 provinces, municipalities and autonomous regions such as Liaoning, Xinjiang, Gansu and Heilongjiang. This variety has good adaptability, strong disease resistance and lodging resistance, and its planting area is second only to Zhengdan 958, which is one of the two major corn varieties promoted by the Ministry of Agriculture to the whole country.
5, Tiannong 9
passed the examination and approval of Liaoning Province in 27, and are suitable for planting in middle-mature corn areas with effective accumulated temperature above 265℃ in Fushun, Tieling, Jilin, Heilongjiang, Tongliao and Chifeng, Inner Mongolia. They are compact, with a plant height of 284cm and an ear position of 118cm, and are one of the varieties that have been popularized in suitable areas in Heilongjiang in recent years.
6. Yufeng 33
It takes 125 days from emergence to maturity in the spring corn area of Northeast China and North China, which is equivalent to Zhengdan 958. The plant type is semi-compact, the plant height is 296 cm, the ear axis is red, the seeds are yellow and half-horse-toothed, and the weight of 1 seeds is 36.9 grams. In the production test in 214, the average yield per mu was 672.7 kg, which was 5.6% higher than that of the control Zhengdan 958.
7. Weike 966
The growth period of this variety is about 125 days in spring sowing and 98 days in summer sowing. The leaf sheath of the seedlings is purple, the seedlings are neat and Miao Zhuang, and the seed rate is over 9%. Good permeability, tough stems and better resistance. Generally, the yield per mu of spring sowing is 9 kg, and that of summer sowing is about 8 kg.
8. Denghai 672
Denghai 672 is a national authorized maize variety, which is suitable for summer sowing and planting in Shandong, Baoding, Hebei, Henan and Guanzhong, Shaanxi. The main advantages of this variety are compact plant type, which is beneficial to ventilation and light transmission; The ear is thick and uniform, with no big or small ear, deep grain in shafting and high seed yield.
9. Jundan 2
passed the national examination and approval in 23, which is suitable for planting in summer maize areas in Henan, central and southern Hebei, Shandong, Shaanxi, Jiangsu, Anhui and Yuncheng, Shanxi. The plant type is compact and delicate, with a plant height of 242 cm and an ear height of 16 cm. So far, it is still popularized in summer sowing areas.
1, Lenong 79
Lenong 79 is a new maize variety selected by Dr. Jin's seed industry in Henan Province, which has the greatest yield potential and the strongest stress resistance at present. This variety is compact in plant type, with upward leaves, average plant height of 275-285 cm, developed aerial roots, strong stem toughness, good elasticity and high lodging resistance. Summer sowing in Huanghuaihai, with an average yield of 186 kg per mu.
refer to Baidu encyclopedia-lenong 79 Baidu encyclopedia-Zheng Dan 958 for the above contents.