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ExaminationNo.: Guoshenyu 20 140 10 Variety Name: Yuyu No.30 Applicant: Shandong Shenhua Seed Industry Co., Ltd. Breeder: Shandong Shenhua Seed Industry Co., Ltd. Variety Source: SX1132-2× SX3821Features: Jing The seedlings grow moderately and the leaf sheaths are purple. The plant type is semi-compact, the plant height is 280 cm, the ear position is 103 cm, and the number of leaves is 20. Male spikes have few and long branches, green anthers, pale purple filaments, long tubular spikes, yellow red axis and hard grains. Spike length 19.5cm, rows per spike 14 ~ 16. The weight of 100 grains is 35.2 ~ 38.1g. Inoculation identification showed that the variety was moderately resistant to leaf spot and pythium stem rot, sensitive to Curvularia leaf spot and Fusarium stem rot, and highly sensitive to leaf spot, smut and rough dwarf. Grain bulk density is 789 ~ 792g/L, crude protein content is 9.3% ~ 9.9%, crude fat is 3.8% ~ 4. 1%, crude starch is 73.2% ~ 74.4%, and lysine is 0.28% ~ 0.29%. Yield performance: 20 12-20 13, participated in the regional test of summer maize varieties in Beijing, Tianjin and Tangshan, with an average yield of 704.6 kg per mu in two years, which was 6.7% higher than that of the control; The production test of 20 13 years showed that the average yield per mu was 63 1.7 kg, which was 1 1.6% higher than that of the control single crystal 28. 20 12-20 13 participated in the regional test of summer maize varieties in Huanghuaihai, and the average yield per mu for two years was 69 1.9 kg, which was 6.6% higher than that of the control. The production test of 20 13 showed that the average yield per mu was 622.9 kg, which was 6.4% higher than that of the control Zheng Dan 958. Key points of cultivation techniques: Plant in plots with medium soil fertility and the planting density is about 5000 plants per mu. Pay attention to the prevention and control of leaf spot, Curvularia leaf spot and stem rot. Examination and approval opinion: This variety conforms to the national maize variety examination and approval standard and has passed the examination and approval. Suitable for summer sowing in Beijing, Tianjin, Hebei, Henan, Shandong, Shaanxi Guanzhong Irrigation District, Shanxi Yuncheng area, northern Jiangsu and northern Anhui. Use with caution in areas with high incidence of melanoma and rough dwarf disease. ExaminationNo.: Guoshenyu 20 140 12 Variety Name: Shengqiang 369 Applicant: Shanxi Sheng Qiang Seed Industry Co., Ltd. Breeder: Shanxi Sheng Qiang Seed Industry Co., Ltd. Variety Source: 6 143×997 Features: The summer maize area in Huanghuaihai is 98 days from emergence to maturity, which is earlier than that in Zheng Dan/KLOC-. Seedling leaf sheath is light purple, leaves are green, leaf margin is green, anther is light purple, glume is yellow. Compact plant type, plant height 246 cm, ear position 105 cm, number of leaves 19 ~ 20 pieces. Filaments are light purple, spikes are barrel-shaped, spike length is 17.6 cm, rows per spike are 14 ~ 16, spike axis is red, grain is yellow, and 100-grain weight is 34.3g g. Inoculation identification shows that this variety is moderately resistant to leaf spot and stem rot, sensitive to leaf spot and Curvularia. Grain bulk density is 792g/L, crude protein content is 9.0%, crude fat content is 3.78%, crude starch content is 73.98%, and lysine content is 0.27%. Yield performance: 20 12-20 13 participated in the regional test of summer maize varieties in Huanghuaihai, with an average yield of 688.6 kg per mu for two years, which was 4.8% higher than that of the control. The production test of 20 13 showed that the average yield per mu was 625.2kg, which was 6.8% higher than that of the control Zheng Dan 958. Key points of cultivation techniques: planting in plots with medium fertility or above, sowing in early June, planting density of 4,500-5,000 plants per mu, applying basic fertilizer diammonium phosphate 15-20k g, zinc phosphate 1kg, potassium chloride 2-3kg, and topdressing urea10-0 at jointing stage. Pay attention to the prevention and control of Curvularia leaf spot, tumor smut and rough dwarf disease. Examination and approval opinion: This variety conforms to the national maize variety examination and approval standard and has passed the examination and approval. Suitable for summer sowing in Shandong, Henan, southern Hebei and southwestern Shanxi, Guanzhong irrigation area in Shaanxi, northern Jiangsu and northern Anhui. ExaminationNo.: Guo Shenyu 20 140 13 Variety Name: Huanong 138 Applicant: Tianjin Kerun Jinfeng Seed Industry Co., Ltd. and Beijing Huanong Ye Wei Seed Industry Technology Co., Ltd. Breeders: Tianjin Kerun Jinfeng Seed Industry Co., Ltd. and Beijing Huanong Ye Wei Seed Industry Technology Co., Ltd. Variety Source: B105. The plant type is semi-compact, the plant height is 28 1 cm, the ear height 102 cm, and the number of leaves 19. Filaments are light purple, the spike is cylindrical, the spike length is 17.5cm, the rows per spike are 16, the spike axis is red, the grain is yellow, half-horse-toothed, and the 100-grain weight is 37g. Inoculation identification showed that it was resistant to pythium stem rot, moderately resistant to leaf spot, susceptible to Fusarium stem rot, leaf spot and Curvularia leaf spot, highly susceptible to rough dwarf disease, smut and southern rust. Grain bulk density was 792g/L, crude protein content was 9.29%, crude fat content was 3.78%, crude starch content was 72. 17%, and lysine content was 0.3%. Yield performance: 20 12-20 13 participated in the regional test of summer maize varieties in Huanghuaihai, with an average yield of 696.0 kg per mu for two years, which was 6.0% higher than that of the control. The production test in 20 13 years showed that the average yield per mu was 620.4 kg, which was 6. 1% higher than that of the control Zheng Dan 958. Key points of cultivation techniques: plant in medium and high fertility plots and sow in the first half of June, with planting density of 4000 ~ 4500 plants per mu; Apply 2000 ~ 3000 kilograms of farm manure or 30 kilograms of ternary compound fertilizer as base fertilizer per mu, and 30 kilograms of urea at the big bell mouth stage. Pay attention to the prevention and control of smut, rough dwarf and southern rust. Examination and approval opinion: This variety conforms to the national maize variety examination and approval standard and has passed the examination and approval. Suitable for summer sowing in Shandong, Henan, Baoding, Hebei, southwestern Shanxi, Guanzhong irrigation area in Shaanxi, northern Jiangsu and northern Anhui. ExaminationNo.: Guoshenyu 20 140 14 Variety Name: 908 Applicant: Hefei Fengle Seed Industry Co., Ltd. Selector: Hefei Fengle Seed Industry Co., Ltd. Variety Source: DK58-2× Jing 772-2 Features: It takes 102 days from emergence to maturity in Huanghuaihai summer corn area, which is equivalent to 90 days. Seedling leaf sheath is light purple, leaves are green, leaf margin is green, anther is light purple, glume is green. Compact plant type, plant height 257 cm, ear position 96 cm, number of leaves 19 ~ 20. Filaments are light purple with tubular spikes, with spike length 17.7 cm, rows per spike 14 ~ 16, white spike axis, yellow grain and 100-grain weight of 34.0g g. Inoculation identification showed that the variety was moderately resistant to leaf spot, leaf spot, stem rot and Curvularia leaf. Grain bulk density is 788g/L, crude protein content is 9.70%, crude fat content is 4.3 1%, crude starch content is 72. 10%, and lysine content is 0.30%. Yield performance: 20 12-20 13 participated in the regional test of summer maize varieties in Huanghuaihai, with an average yield of 697.0 kg per mu for two years, which was 6.8% higher than that of the control; The production test of 20 13 showed that the average yield per mu was 623.6 kg, which was 6.5% higher than that of the control Zheng Dan 958. Key points of cultivation techniques: cultivate in plots with medium fertility or above, sow in the first half of June, with planting density of 4,500 plants per mu, and pay attention to the prevention and control of rough dwarf disease and head smut. Examination and approval opinion: This variety conforms to the national maize variety examination and approval standard and has passed the examination and approval. Suitable for summer sowing in Henan, Shandong, Baoding and its south of Hebei, Guanzhong irrigation area of Shaanxi, northern Jiangsu, northern Anhui and southwestern Shanxi. ExaminationNo.: National Examination Jade 20 140 15 Variety Name: Dacheng 168 Applicant: Breeder of Baofeng Agricultural Institute: Variety Source: 802×6 107A Features: From Emergence to Maturity in Huanghuaihai Summer Maize Region 102. Seedling leaf sheath is light purple, leaves are green, leaf margin is green, anther is light green, glume is green. Compact plant type, plant height 237 cm, ear position 94 cm, number of leaves 19 ~ 20. Filaments are light purple, with barrel-shaped spikes, the spike length is 17.3 cm, the rows per spike are 14, the spike axis is white, the grain is yellow, and it is half-horse-toothed, weighing 38 grams. Inoculation identification showed that the variety was moderately resistant to rot and stem rot, sensitive to big leaf spot, small leaf spot, Fusarium stem rot and Curvularia leaf spot, and highly sensitive to smut and rough dwarf disease. Grain bulk density is 792g/L, crude protein content is 8.65%, crude fat content is 3.965438 0%, crude starch content is 72.7%, and lysine content is 0.29%. Yield performance: 20 12-20 13 participated in the regional test of summer maize varieties in Huanghuaihai, with an average yield of 688.3 kg per mu for two years, which was 5.7% higher than that of the control. The production test in 20 13 years showed that the average yield per mu was 62 1.4 kg, which was 6. 1% higher than the control Zheng Dan 958. Key points of cultivation techniques: cultivate in plots with medium fertility or above, sow from late May to mid-June, with planting density of 4,500-5,000 plants per mu, and pay attention to the prevention and control of leaf spot, stem rot, leaf spot, smut, rough dwarf disease, Curvularia leaf spot and corn borer. Examination and approval opinion: This variety conforms to the national maize variety examination and approval standard and has passed the examination and approval. Suitable for summer sowing in Henan, Shandong, Baoding and its south of Hebei, Guanzhong irrigation area of Shaanxi, northern Jiangsu, northern Anhui and southwestern Shanxi. ExaminationNo.: Guoshenyu 20 140 16 Variety Name: NK97 1 Applicant: Maize Research Center of Beijing Academy of Agriculture and Forestry Breeding Unit: Maize Research Center of Beijing Academy of Agriculture and Forestry Variety Source: Jing 388× Jing 372 Characteristics: From emergence to maturity in Huanghuaihai summer maize area 102. Seedling leaf sheath is lavender, leaf margin is green, anther is lavender, glume is lavender. Compact plant type, plant height 262cm, ear position 1 12cm, 20 leaves, lilac filaments, cylindrical ear length, ear length 18cm, rows per ear 14, white ear axis, yellow grain, half horse teeth, and 100-grain weight 34. Yield performance: 20 12-20 13 participated in the regional test of summer maize varieties in Huanghuaihai, with an average yield of 685.6 kg per mu for two years, which was 4.5% higher than that of the control; The production test of 20 13 showed that the average yield per mu was 627.0 kg, which was 7.2% higher than that of the control Zheng Dan 958. Key points of cultivation techniques: Planting in plots with medium fertility or above, with planting density of 4000 ~ 4500 plants per mu. Pay attention to the prevention and treatment of stem rot, and use it with caution in areas with high incidence of tumor smut. Examination and approval opinion: This variety conforms to the national maize variety examination and approval standard and has passed the examination and approval. Suitable for summer sowing and planting in Shandong, Baoding, Hebei and its south, Henan, Shaanxi Guanzhong irrigation area, northern Anhui, northern Jiangsu and Yuncheng, Shanxi.