(1) Liaodan 565

It was bred by Maize Research Institute of Liaoning Academy of Agricultural Sciences, and was approved by the National Crop Variety Approval Committee (national approval) in 24. In Northeast China, the growth period is 126 days, the plant type is compact, the plant height is 276 cm, the ear position is 11 cm, and it is highly resistant to smut, stem rot, Curvularia leaf spot and leaf spot. Suitable for planting in Liaoning, Jilin, Heilongjiang and Tongliao, Inner Mongolia.

(2) Zheng Dan 958

Breeding by Institute of Grain Crops, Henan Academy of Agricultural Sciences, was approved by the state in 2. In Northeast China, the growth period is about 13 days, the plant type is compact, the plant height is about 24 cm, the ear position is about 14 cm, and it is resistant to big and small leaf spot, smut and rough dwarf disease, high resistance to dwarf mosaic disease and lodging. The suitable planting area < P > is wide, and it can be planted in the northern spring corn area and the summer corn area in the Huang-Huai-Hai Plain.

(3) Tieyan 58

The breeding of Tieling Academy of Agricultural Sciences was approved by Liaoning Province in 211. The growth period of spring sowing is 128 days, the plant height is 29 cm, the ear position is 11 cm, and it is resistant to density, lodging, drought and waterlogging, Curvularia leaf spot and head smut. Suitable for planting in most areas of Liaoning.

(4) Tieyan 12

The breeding of Tieling Academy of Agricultural Sciences was approved by Liaoning Province in 28. The growth period of spring sowing is 13 days, the plant type is semi-compact, the plant height is 3 cm, the ear position is 118 cm, and it is moderately resistant to leaf spot, Curvularia leaf spot and bacterial wilt, gray spot and head smut. Suitable for planting in Shenyang, Tieling, Dandong, Fuxin, Jinzhou and Chaoyang, Liaoning.

(5) Tieyan 124

The breeding of Tieling Academy of Agricultural Sciences was approved by the state in 29. From emergence to maturity in East and North China for 129 days, the plant type is compact, the plant height is 33 cm, and the ear position is 124 cm. It is moderately resistant to leaf spot, Curvularia leaf spot and gray spot, stem rot, corn borer and head smut. Suitable for spring sowing in Liaoning (except Dandong), Jilin late-maturing area, Beijing, Tianjin, Hebei (except Tangshan), Shanxi middle-late-maturing area, Tongliao and Chifeng in Inner Mongolia and Yan 'an in Shaanxi.

(6) Danyu 45

Breeding of Dandong Academy of Agricultural Sciences was approved by Liaoning Province in 28. The growth period of spring sowing is about 13 days, the plant type is semi-compact, the plant height is 285 cm, and the ear position is 121 cm. It is resistant to leaf spot and gray spot, and moderately resistant to Curvularia leaf spot, stem rot and head smut. It is suitable for planting in late-maturing < P > corn areas with active accumulated temperature above 3℃ in Shenyang, Tieling, Dandong, Dalian, Anshan, Jinzhou, Chaoyang and Huludao, Liaoning.

(7) Liangyu 88

Breeding of Dandong Denghai Liangyu Seed Industry Co., Ltd. was approved in Liaoning Province in 28. The growth period of spring sowing is about 132 days, the plant type is compact, the plant height is 32 cm, the ear position is 116 cm, and it is resistant to gray leaf spot, moderate resistance to big leaf spot, stem rot and head smut, and Curvularia leaf spot. Suitable for planting in Hebei, Jilin, Zhejiang, Fujian, Yunnan, Guangdong, Guangxi, Guizhou, Sichuan, Shaanxi, Gansu, Shandong, Henan, Anhui and other places.

(8) Liangyu 99

Breeding of Dandong Denghai Liangyu Seed Industry Co., Ltd. was approved by the state in 212. The growth period of spring sowing is about 135 days, with compact plant type, plant height of 29 cm, ear position of 1 cm, high lodging resistance, thick stem, strong wind resistance of Grade 8, high resistance to bacterial wilt, head smut, rough dwarf disease and dwarf mosaic virus disease. It is suitable for planting in most late-maturing corn areas in Liaoning.

(9) Lianda 288

Breeding of beipiao city Lianda Seed Industry Co., Ltd., Chaoyang, Liaoning Province, was approved by Liaoning Province in 214. The growth period of spring sowing is 128 days, the plant height is 26 cm, the ear position is 115 cm, and it is resistant to leaf spot of Curvularia lunata, stem rot, corn borer and head smut. Adapt to the area with the first accumulated temperature zone in Heilongjiang Province as the upper limit.

(1) Liangyu No.66

Breeding of Dandong Denghai Liangyu Seed Industry Co., Ltd. was approved in Liaoning Province in 28. The growth period of spring sowing is about 129 days, the plant type is semi-compact, the plant height is 294 cm, the ear position is 113 cm, and it is resistant to gray leaf spot, moderate resistance to big leaf spot and stem rot, Curvularia leaf spot and head smut. Suitable areas: Shenyang, Tie< P > Ling, Dandong, Fuxin, Anshan, Jinzhou, Chaoyang and other areas with accumulated active temperature above 28℃. Curvularia leaf spot and head smut are used with caution in areas with high incidence.

(11) Shen Yu 21

Breeding of Shenyang Academy of Agricultural Sciences was approved by Liaoning Province in 25. From emergence to maturity in East and North China for 129 days, the plant type is compact, the plant height is 287 cm, and the ear position is 129 cm. It is resistant to leaf blight and corn borer, moderately resistant to gray leaf spot, head smut and sheath blight, and susceptible to Curvularia leaf spot. Suitable for spring sowing in northern Hebei, Liaoning, Jilin, Shanxi, Beijing, Chifeng area of Inner Mongolia, Yan 'an area of Shaanxi, and summer sowing in Hebei and Anhui.

(12) Shen Yu 29

Breeding by Shenyang Academy of Agricultural Sciences was approved by Liaoning Province in 27. The growth period is about 129 days, the plant shape is compact, the plant height is 256 cm, and the ear position is 14 cm. It has high resistance to dwarf mosaic disease, ear rot, middle resistance to big leaf spot, bacterial wilt, head smut and rough dwarf disease. Suitable for planting in spring sowing middle and late maturity corn area.

(13) Ningyu 39

Breeding of Nanjing Chunxi Seed Research Center was approved by the state in 27. The spring corn in Northeast China and North China has a compact plant shape from emergence to maturity for 128 days, with a plant height of 297 cm and an ear height of 12 cm. It is highly resistant to head smut, stem rot, Curvularia leaf spot, sheath blight, leaf spot and corn borer. It is suitable for spring sowing in Beijing, Tianjin, northern Hebei, Xinding Basin in Shanxi, Liaoning (except southern Liaoning) and late-maturing areas in Jilin. The effective accumulated temperature should be about 2,8℃, and it should be used with caution in areas where northern leaf blight and corn borer occur again.

(14) Jidan 261

Breeding of Ji Nong High-tech Development Co., Ltd. in Jilin Province was approved by Jilin Province and the state in 24. In Northeast China, the growth period is 126 days, the plant type is compact, the plant height is 3 cm, the ear position is 12 cm, and it is highly resistant to head smut, smut, leaf blight and stem rot. Suitable for planting in Heilongjiang, Jilin, Liaoning, Tongliao and Chifeng, Inner Mongolia.

(15) Dongdan No.8

Breeding of Liaoning East Asia Seed Industry Co., Ltd. was approved by the state in 2. In Liaoning, the growth period is 132 days, the plant type is compact, the stem is stout, the root system is developed, the plant height is about 29 cm, and the ear position is 126 cm high, which is highly resistant to stem rot. It is suitable for planting in late-maturing corn areas in Liaoning Province, southern Jilin Province and spring corn areas in North China and Northwest China.

(16) Dongdan 6

Breeding of Liaoning East Asia Seed Industry Co., Ltd. was approved by Liaoning Province in 21 and the state in 23. In Northeast China, the growth period is 134 days, the plant type is compact, the plant height is 37 cm, the ear position is 125 cm, and it is highly resistant to Great Leaf Spot, Gray Leaf Spot and Curvularia leaf spot. It is suitable for spring sowing in Liaoning, southern Siping of Jilin Province, Zhangjiakou and Chengde of Hebei Province, Shanxi, Beijing, Tianjin and Yan 'an of Shaanxi Province, and suitable for planting in Hunan, Anhui and Shandong.

(17) Liaodan 33

Breeding by Crop Research Institute of Liaoning Academy of Agricultural Sciences was approved by Liaoning Province in 21 and by the state in 23. The growth period is about 117 days, the plant type is compact, the plant height is 26 cm ~ 28 cm, the ear position is 1 cm high, and it is highly resistant to Great Leaf Blight. Suitable for planting in Liaoning, Jilin, Heilongjiang, Chifeng and Tongliao in Inner Mongolia.

(18) Sanbei No.9

Breeding of Hebei Longhua Sanbei Seed Industry Co., Ltd. was approved by Liaoning Province in 25 and the state in 26. It takes 128

days from emergence to maturity in the early-maturing area of Northeast China, with a plant height of 275 cm and an ear height of 118 cm. It has high resistance to head smut and stem rot, tumor smut and moderate resistance to leaf spot, Curvularia leaf spot and corn borer. It is suitable for planting in eastern mountainous areas of Liaoning, middle-late maturing areas of Jilin, Chifeng and Tongliao areas of Inner Mongolia.

(19) Tiedan No.2

The breeding of Tieling Academy of Agricultural Sciences was approved by Liaoning Province in 23 and by the state in 26. It takes about 13 days from emergence to maturity in the early-maturing area of Northeast China, with compact plant type, plant height of 277 cm and ear height of 127 cm, high resistance to smut, stem rot, moderate resistance to head smut, susceptible to leaf spot of Curvularia lunata and corn borer. It is suitable for planting in the eastern mountainous area of Liaoning, the middle-late maturing area of Jilin, the upper limit of the first accumulated temperature zone in Heilongjiang, Chifeng and Tongliao in Inner Mongolia.