Introduction Experiment of Qi Long 608 Maize Seed
ExaminationNo.: Guo Shen Yu 202 16080
Variety Name: Qi Long 608
Applicant: Beijing Lianchuang Seed Industry Co., Ltd.
Breeders: Beijing Lianchuang Seed Industry Co., Ltd. and Henan Longping Lianchuang Agricultural Science and Technology Co., Ltd.
Variety source: CT6 12535×CT335 1.
Characteristics of Qi Long 608 Maize Seed
① growth period
The time from emergence to maturity of mid-mature spring maize population in East China and North China was 13 1.6 days, which was 0.2 days earlier than that of the control Xianyu 335.
② Leaf blade
Seedling leaf sheath is purple, leaf is green, leaf margin is green, anther is purple, filament is purple and glume is green.
③ Plant types
The plant type is semi-compact, the plant height is 3 15 cm, the ear height is 1 19 cm, and the number of leaves is about 20.
④ ear of fruit
The spike is tubular, the spike length is 20.4 cm, the number of rows per spike is 14- 16, the spike diameter is 5.0 cm, the spike axis is red, the grain is yellow and half-toothed, and the 100-grain weight is 37.4 g.
⑤ Inoculation identification
Moderately resistant to stem rot, ear rot, leaf spot, head smut and gray spot.
⑥ component determination
Its grain bulk density is 756 g/L, crude protein content is 9.57%, crude fat content is 3.52%, crude starch content is 74.94%, and lysine content is 0.365438 0%.
Performance of Qi Long 608 Maize Seed Yield
During 20 19-2020, it participated in the green channel regional test of middle-maturing spring maize group in East China and North China, with an average yield of 856.8 kg per mu in two years, which was 6.2% higher than that of the control Xianyu 335.
In the production test in 2020, the average yield per mu was 850.5 kg, which was 5.4% higher than that of the control Xianyu 335.