1, Zheng Dan 958
Zheng Dan 958 is the largest corn variety planted in China at present, and it has been popularized for nearly 500 million mu in China. This variety is a mid-mature maize hybrid, with a plant height of about 246 cm and an ear height of about 1 10 cm. The seeds are yellow, half-horse-toothed, white and thin, and the seed yield is about 90%. The growth period of summer sowing is about 96 days, and that of spring sowing is about 105 days. Good comprehensive resistance and good seed setting.
2. Jingke 968
20 18 has passed the national examination and approval, and is suitable for planting in spring corn areas in northeast, northwest and southeast China. Emergence and maturity in Northeast China 128 days, semi-compact plant type, plant height of 296 cm, ear height 120 cm, which is absolutely dominant in Tongliao, Inner Mongolia.
3. Liangyu 99
It takes about 128 days from emergence to maturity in East China and North China, and the growth period of summer sowing is about 98 days. The plant type is compact and it is resistant to dense planting. Suitable for plots with medium fertility or above, and various planting methods can be adopted. Generally, the yield per mu is about 800-900 kg, which can reach about 1 100 kg under high-yield cultivation.
4. Xianyu 355
This variety is a new hybrid maize variety selected by Tieling Xianfeng Seed Research Co., Ltd. Since it passed the national examination and approval in 2004, it has been approved and put on record in more than 20 provinces, cities 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 that of Zheng Dan 958. It is one of the two major corn varieties promoted by the Ministry of Agriculture to the whole country.
5. Tiannong 9
Approved by Liaoning Province in 2007, it is suitable for planting in Fushun, Tieling, Jilin, Heilongjiang, Tongliao, Chifeng, Inner Mongolia and other medium-mature corn areas with effective accumulated temperature above 2650℃. Compact, plant height 284cm, ear position 1 18cm. It is one of the varieties popularized in suitable areas of Heilongjiang in recent years.
6. Yufeng 303
It takes 65,438 0.25 days from emergence to maturity in spring maize areas in East China and North China, equivalent to 958 in Zheng Dan. The plant type is semi-compact, the plant height is 296 cm, the ear axis is red, the seeds are yellow and half-horse teeth, and the weight of 100 seeds is 36.9 grams. The production test in 20 14 years showed that the average yield per mu was 672.7kg, which was 5.6% higher than that of the control Zheng Dan 958.
7. Waco 966
The growth period of this variety is about 125 days in spring and 98 days in summer. The leaf sheaths of the seedlings are purple, the seedlings are neat and Miao Zhuang, and the seed setting rate is over 90%. Good permeability, tough stems and better resistance. Generally, the yield per mu of spring sowing is 900 kg, and that of summer sowing is about 800 kg.
8. Going to the sea 6702
Denghai 6702 is a maize variety approved by the state, which is suitable for summer sowing in Shandong, Baoding, Henan and Guanzhong, Shaanxi. The main advantages of this variety are compact plant type, which is conducive to ventilation and light transmission; The ear is thick and uniform, with no big or small ear, deep axils and high seed yield.
9. Shan Jun 20
In 2003, it passed the national examination and approval, and was suitable for planting in summer maize areas in Henan, central and southern Hebei, Shandong, Shaanxi, Jiangsu, Anhui and Shanxi Yuncheng. The plant type is compact and exquisite, the plant height is 242 cm, and the ear position is 106 cm. It is still popularized in summer sowing areas.
10, Lenong 79
Lenong 79 is a new maize variety bred by Dr. Jin's seed industry in Henan Province, which has the greatest yield potential and the strongest stress resistance at present. This variety has compact plant type, 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 per mu 1860 kg.
The above contents refer to Baidu Encyclopedia-Liangyu 99 Baidu Encyclopedia-Jingke 968 Baidu Encyclopedia-Zheng Dan 958.