ExaminationNo.: Guo Shen Yu 20 170044
Variety name: Caitiannuo 6
Applicant: Jingzhou Hengfeng Seed Industry Development Center.
Breeder: Jingzhou Hengfeng Seed Industry Development Center
Variety source: T37×WH8 18
Characteristics: It takes 80-84 days from emergence to harvest of fresh ear in southern China. The plant type is semi-compact, with green leaves and purple tips, and the number of adult leaves is about 65,438+09. The number of tassel branches is about 13. The bract leaves are medium, the ear is conical, the ear axis is white, and the grain is purple-white, which belongs to sweet waxy type. Plant height is 2 10cm, ear position is 80cm, ear length is 19cm, ear thickness is 4.9cm, bald tip is 2.2cm, rows per ear are 14, the number of grains per row is 33, the fresh weight of 100 grains is 37g, and the seed yield is 63%. 2065 438+05-2065 438+06 Resistance Inoculation Identification in Southeast China: leaf spot, sheath blight, moderate resistance to stem rot; Identification of southwest resistance inoculation: susceptible to leaf spot, moderately resistant to sheath blight. 20 15-20 16 southeast quality inspection showed that the peeling rate was 1 1.0% and the amylopectin/total starch was 97.4%. Quality inspection in southwest China showed that the peeling rate was 12.6% and amylopectin/total starch was 98. 1%.
Yield performance: during 20 15 ~ 20 16 years, the average yield per mu of fresh panicles in the southeast region was 867.8 kg, which was 19.7% higher than that in the control, and it was 846.6 kg in the southwest region, which was10.6% higher than that in the control.
Key points of cultivation techniques: cultivation in plots with medium fertility or above, with planting density of 2800 ~ 3000 plants per mu. Isolated planting and timely harvesting.
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 as a fresh corn variety in central and southern Jiangsu, central and southern Anhui, Shanghai, Zhejiang, Jiangxi, Fujian, Guangdong, Guangxi, southeastern Hainan and Chongqing, Guizhou, Hunan, Hubei, Sichuan and southwestern Yunnan. Pay attention to the prevention and control of sheath blight and leaf spot.