Chinese corn varieties include: Zhengdan 958, Jingke 968, Liangyu 99, Xianyu 355, and Tiannong 9.

1. Zhengdan 958

Zhengdan 958 is the corn variety with the largest planting area in my country, and has been promoted nationwide to nearly 500 million acres. This variety is a medium-ripening corn hybrid with a plant height of about 246 cm and an ear height of about 110 cm. The seeds are yellow, half-dent shape, with white shafts, deep grains and thin shafts, and the seed yield is about 90%. The growth period for summer sowing is about 96 days, and for spring sowing is about 105 days. It has good comprehensive resistance and good solidity.

2. Jingke 968

It passed the national approval in 2018 and is suitable for a wide area. It is suitable for planting in spring corn areas in East, North, Northwest and Southeast China. It takes 128 days from emergence to maturity in East and North China. The plant type is semi-compact, with a plant height of 296 cm and an ear height of 120 cm. It has an absolute advantage in Tongliao, Inner Mongolia.

3. Liangyu 99

It takes about 128 days from seedling emergence to maturity in East and North China, and the growth period of summer sowing is about 98 days. The plant type is compact and can tolerate dense planting. It is suitable for plots with medium fertility and above and can be planted using a variety of planting methods. The general yield per mu is about 800-900 kilograms, and under high-yield cultivation conditions it can reach about 1,100 kilograms.

4. Xianyu 355

This variety is a new hybrid corn variety bred by Tieling Pioneer Seed Research Co., Ltd. Since it passed the national approval in 2004, it has passed the approval of Liaoning, It has been approved and filed in more than 20 provinces, municipalities and autonomous regions including Xinjiang, Gansu and Heilongjiang. This variety has good adaptability, strong disease and lodging resistance, and its planting area is second only to Zhengdan 958. It is one of the two major corn varieties promoted nationwide by the Ministry of Agriculture.

5. Tiannong 9

Approved by Liaoning Province in 2007, it is suitable for medium-ripened crops with effective accumulated temperatures above 2650°C, such as Fushun, Tieling, Jilin, Heilongjiang, Inner Mongolia, and Chifeng. Planted in the corn area, it is compact, with a plant height of 284cm and an ear position of 118cm. It is one of the varieties that has been promoted in suitable areas in Heilongjiang in recent years.

The above content refers to Baidu Encyclopedia - Zhengdan 958 Baidu Encyclopedia - Jingke 968 Baidu Encyclopedia - Liangyu 99