ExaminationNo.: National Shenyu 200703 1 Variety Name: Jinyu Silage 28 Breeding Unit: Corn Research Institute of Jinzhou Academy of Agricultural Sciences Variety Source: Female parent J40 19 is a single cross (g108× g172); Male parent J245 1 from Lian 87× Jin 5-9. Characteristics: The period from emergence to silage harvest in Northeast China and North China is about 1 16 days, which is 5 days later than that of the control agricultural university (108), and the effective accumulated temperature is about 2800℃. Seedlings have purple leaf sheaths, dark green leaves, green leaf margins, green anthers and pale purple glumes. The plant type is semi-compact, and the plant height is 297 cm. After two years of inoculation and identification by the Institute of Crop Science, Chinese Academy of Agricultural Sciences, it is highly resistant to dwarf mosaic, big leaf spot, small leaf spot and head smut, and moderately resistant to sheath blight. Good field resistance. After two years' quality determination by the Department of Plant Science and Technology of Beijing Agricultural College, the content of neutral detergent fiber is 565,438+0.64% ~ 53.52%, the content of acidic detergent fiber is 265,438+0.07% ~ 24.465,438+0%, and the content of crude protein is 8.60% ~ 9.75%. Yield performance: Participated in the regional trial of silage maize varieties in 2005-2006 (East North China Group), and the average yield per mu (dry weight) 1, 283.7 kg, which was higher than that of the control agricultural university 14.8%. Key points of cultivation techniques: The suitable density is about 4000 plants per mu for cultivation in plots with medium fertility or above, and attention should be paid to the prevention and control of sheath blight. 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 planting special silage corn varieties in Beijing Plain, Tianjin, northern Hebei, central Shanxi, eastern Liaoning, south-central Jilin, the first accumulated temperature zone in Heilongjiang Province and spring sowing area in Hohhot, Inner Mongolia. ExaminationNo.: Guoshenyu 2007032 Variety Name: Jintian 688 Breeding Unit: Beijing Jinnongke Seed Industry Technology Co., Ltd. Variety Source: Female Parent Mu113, from Yugoslavia Super Sweet Corn Inbred Line ZP 103× Sweet Corn Hybrid13. The male parent H9 122-5 is from CTB2(sh2). Characteristics: The time from emergence to fresh ear harvest in Huang-Huai-Hai area is 74 days, which is 65438 0.4 days later than the control green pioneer. In southwest China, the period from seedling emergence to fresh ear harvest is 86 days, which is equivalent to the comparison of Green Superman. The effective accumulated temperature is about 2400℃. Seedling leaf sheath is green, leaf is green, leaf margin is green, anther is yellow, glume is green. The plant type is semi-compact, the plant height is about 233 cm, the ear position is 88 ~ 96.4 cm, and the number of leaves per plant is 2 1. Filaments are green, spikes are tubular, spikes are 20 ~ 22 cm long, rows per spike 14 ~ 16 rows, spikes are white, grains are yellow, and the weight of 100 grains (fresh grains) is 31.5g. After two years of inoculation and identification by hebei academy of agriculture and forestry Plant Protection Institute, it is moderately resistant to leaf spot, leaf spot and leaf spot. After two years of inoculation and identification by the Institute of Plant Protection of Sichuan Academy of Agricultural Sciences, it was moderately resistant to Great Leaf Blight, Sheath Blight and Corn Borer, but susceptible to Small Leaf Blight, Head Smut and Stem Rot. After being tasted and identified by experts organized by the host unit of the regional trial of fresh sweet corn varieties in Huanghuaihai and Southwest China, they all reached the second-class standard of sweet corn issued by the Ministry. After two years' quality determination by Mianyang Agricultural Science Research Institute, Sichuan Province, the content of reducing sugar was 9. 14% ~ 9.73%, and the content of water-soluble sugar was 19.75% ~ 17.54%, which reached the ministerial standard of sweet corn (NY/T523-2002). Yield performance: In 2005-2006, he participated in the regional trial of sweet corn varieties in Huanghuai, with an average yield of 780.9 kg per mu in two years, which was 4.9% higher than that of the control Green Pioneer. In 2005-2006, he participated in the regional trial of fresh sweet corn varieties in Southwest China, and the average yield per mu for two years was 948.59 kg, which was 10.33% higher than that of the control Green Superman. Key points of cultivation techniques: The suitable planting density is 3000 ~ 3200 plants per mu in plots with medium fertility and above, and attention should be paid to the prevention and control of head smut and smut. Examination and approval opinion: This variety conforms to the national maize variety examination and approval standard and has passed the examination and approval. It is suitable to be planted as a fresh sweet corn variety in summer corn areas in Shandong, Henan, central and southern Hebei, Shaanxi, northern Anhui and Sichuan, Chongqing, Hunan, Hubei, Yunnan and Guizhou, and attention should be paid to the prevention and control of head smut and head smut. AuditNo.: Guoshenyu 2007033 Variety Name: Tian Yue 1 1 Breeding Unit: Crop Research Institute of Guangdong Academy of Agricultural Sciences Variety Source: Female Parent 1022, from Super Sweet Corn102; The male parent C4 comes from American super sweet corn× Thai tropical blood corn. Provincial Examination and Approval: The examination and approval characteristics of Guangdong Crop Variety Examination and Approval Committee in 2006: The period from seedling emergence to fresh ear harvest in southeast China was 82.9 days, which was 65,438 0.2 days later than that of control Tian Yue No.3. Seedling leaf sheath is green, leaf is green, leaf margin is green, anther is green, glume is green. Semi-compact plant type, plant height 198 cm, ear position 68.9 cm, leaf number per plant 18. Filaments are light green with tubular spikes, the spike length is 22.4 cm, the spike thickness is 4.8 cm, the number of rows per spike is 14 ~ 16, the spike axis is white, the grain is yellow, and the 100-grain weight (fresh grain) is 38.63 g ... The host unit of the regional trial of fresh sweet corn varieties in Southeast China organized experts to taste and identify them, reaching the second-class standard of sweet corn issued by the Ministry. After two years' quality inspection in Agricultural College of Yangzhou University, the content of water-soluble sugar was 19.42% ~ 20.09%, and the content of reducing sugar was 7.5 1% ~ 13.9%, which met the ministerial standard of sweet corn (NY/T523-2002). Yield performance: In 2005-2006, he participated in the regional trial of fresh sweet corn varieties in Southeast China, with an average yield of 944.3 kg per mu in two years, which was 17.9% higher than that of the control Tian Yue No.3. Key points of cultivation techniques: the suitable density for cultivation in plots with medium fertility or above is 3200 ~ 3400 plants per mu. Pay attention to the prevention and control of dwarf mosaic disease 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. It is suitable to be planted as a fresh sweet corn variety in Guangdong, Guangxi, Zhejiang, Jiangsu, Shanghai and Fujian. Pay attention to the prevention and control of corn borer, and use it with caution in areas with frequent dwarf mosaic disease. ExaminationNo.: Guoshenyu 2007034 Variety Name: Jinnuo 628 Breeding Unit: Beijing Jinnongke Seed Industry Technology Co., Ltd. Variety Source: female parent H9 120-w, quoted from the Institute of Variety Resources of China Academy of Agricultural Sciences; The male parent M28-T was bred by Beijing Jinnongke Seed Science and Technology Company. Characteristics: The time from emergence to harvest of fresh ear in Northeast China is 92 days, which is 6 days later than that of the control Kenya 1. The time from emergence to harvest of fresh ear in Huang-Huai-Hai region was 72.5 days, 2.3 days earlier than the control SEAO waxy 1. Seedling leaf sheath is green, leaf is green, leaf margin is green, anther is yellow, glume is green. Loose plant type, plant height 230 ~ 260 cm, spike height 88 ~ 1 10 cm, number of leaves 19. Filaments are green with tubular spikes, the spike length is 17 ~ 19 cm, the rows per spike are 16, the spike axis is white, the grain is white, and the 100-grain weight (fresh grain) is 34 ~ 35g. After two-year inoculation and identification by Dandong Academy of Agricultural Sciences of Liaoning Province and Institute of Plant Protection of Jilin Academy of Agricultural Sciences, it was resistant to stem rot and moderately resistant to leaf blight, corn borer and head smut. After two years of inoculation and identification by hebei academy of agriculture and forestry Institute of Plant Protection, it is resistant to leaf spot, moderate resistance to leaf spot and dwarf mosaic, susceptible to stem rot, Curvularia leaf spot and smut, and highly susceptible to corn borer. After being tasted and identified by experts organized by the host unit of the regional trial of waxy corn varieties for seafood in Northeast China and Huanghuai, they all reached the second-class standard of fresh waxy corn issued by the Ministry. After two years' quality determination by Agricultural College of Jilin Agricultural University, amylopectin accounted for 65,438+000% of the total starch content, and after two years' quality determination by Zhengzhou National Maize Improvement Center, amylopectin accounted for 98.32% ~ 65,438+000.0% of the total starch content, all of which reached the waxy corn standard issued by the Ministry (NY/T524-2002). Yield performance: In 2005-2006, we participated in the regional trial of fresh waxy corn varieties in East China and North China, and the average yield per mu for two years was 1 0/3.9 kg, which was 0.8% higher than that of the control Ken1. In 2005-2006, he participated in the regional test of waxy corn varieties in Huang-Huai-Hai, and the average yield per mu for two years was 780.8 kg, which was 27.4% higher than that of the control SEAO waxy 1. Key points of cultivation techniques: the suitable density is about 3500 plants per mu for cultivation in plots with medium fertility or above, and attention should be paid to the prevention and control of head smut 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. It is suitable for planting fresh waxy corn varieties in Beijing, Tianjin, Hebei, south-central Shanxi, central Liaoning, south-central Jilin, the first accumulated temperature zone in Heilongjiang, spring sowing area in Shihezi, Xinjiang, summer sowing areas in Shandong, Henan, Guanzhong, Shaanxi and northern Anhui. Pay attention to the prevention and control of corn borer and use it with caution in areas where head smut occurs again. ExaminationNo.: Guoshenyu 2007035 Variety Name: Zhou Nuo 1 Breeding Unit: Zhoukou Academy of Agricultural Sciences, Henan Province Variety Source: Parent ZN2 14, from (Xixing Nuoyu 1× SEAO Nuoyu 1 )× Xixing Nuoyu1. The male parent ZN 1 1 comes from the mutant Zheng Bainuo 1. Characteristics: In the Huang-Huai-Hai region, the time from emergence to harvest of fresh ear is 74 days, which is earlier than that of the control SEAO waxy 1 day, and the effective accumulated temperature is about 2200℃. Seedling leaf sheath is purple, leaf is green, leaf margin is red, anther is yellow and glume is blue. The plant type is compact, the plant height is 234 cm, the ear position is 100 cm, and the number of leaves is 20 ~ 2 1. Filaments are red, the panicle is conical, the panicle length is 20cm, the rows per panicle 16, the panicle axis is white, the grain is white, and the 100-grain weight (fresh grain) is 29.5g After two-year inoculation and identification by hebei academy of agriculture and forestry Plant Protection Institute, it is moderately resistant to leaf spot and dwarf mosaic, susceptible to leaf spot, Curvularia leaf spot and smut, and highly susceptible to stem rot and corn borer. After tasting and identification by experts in the regional trial of glutinous corn varieties in Huanghuai seafood, it reached the second-class standard of fresh waxy corn issued by the Ministry. According to the quality test of Zhengzhou National Maize Improvement Sub-center for two years, amylopectin accounts for 98.72% ~ 100.0% of the total starch content, reaching the waxy corn standard issued by the Ministry (NY/T524-2002). Yield performance: In 2005-2006, he participated in the regional test of waxy corn varieties for seafood in Huanghuai, and the average yield per mu for two years was 82 1.5 kg, which was 33.7% higher than that of the control SEAO waxy 1. Key points of cultivation techniques: the suitable density is 3500 ~ 4000 plants per mu for cultivation in plots with medium fertility and above, and attention should be paid to the prevention and control of 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. It is suitable for planting fresh waxy corn varieties in summer sowing areas in Beijing, Tianjin, central and southern Hebei, Shandong, Henan, Shaanxi Guanzhong and northern Anhui. ExaminationNo.: Guoshenyu 2007036 Variety Name: Zheng Huangnuo No.2 Breeding Unit: Institute of Grain Crops, Henan Academy of Agricultural Sciences Variety Source: female parent Zheng Huangnuo 03, from Zheng Bainuo 0 1× Zheng 58; The male parent Zheng Huangnuo 04 comes from (Zixiangyu× Chang 7-2)× Chang 7-2. Characteristics: The time from emergence to harvest of fresh ear in Huanghuaihai region is 77.2 days, which is 0.7 days earlier than that of the control SEAO waxy 1. The leaf sheath of seedlings is purplish red, the leaves are green, the leaf margin is green, the anther is pink, and the glume is green. Compact plant type, plant height 246.5 cm, ear position 100 cm, number of leaves 19. Filaments are red, panicle is conical, panicle length is 19 cm, rows per panicle are 14 ~ 16, panicle axis is white, grain is yellow, and 100-grain weight (fresh grain) is 32.3g g. After two-year inoculation and identification by hebei academy of agriculture and forestry Plant Protection Research Institute, it is highly resistant to smut, leaf spot and dwarf mosaic. After tasting and identification by experts in the regional trial of glutinous corn varieties in Huanghuai seafood, it reached the second-class standard of fresh waxy corn issued by the Ministry. After two years' quality determination by Zhengzhou National Maize Improvement Center, amylopectin accounted for 98.98% ~ 99.99% of the total starch content, reaching the waxy corn standard (NY/T524-2002) issued by the Ministry. Yield performance: In 2005-2006, he participated in the regional test of waxy corn varieties for Huanghuai seafood, with an average yield of 842.7 kg per mu in two years, which was 37.0% higher than that of the control SEAO waxy 1. Key points of cultivation techniques: The suitable density is 3600 ~ 3800 plants per mu for cultivation in plots with medium fertility and above, and attention should be paid to the prevention and control of 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. It is suitable to plant fresh waxy corn varieties in summer sowing areas in Beijing, Tianjin, central and southern Hebei, Shandong, Henan, Shaanxi Guanzhong and northern Anhui, and pay attention to the prevention and control of corn borer.