Dr. Jin 8 18 Announcement on Examination and Approval of Corn Seeds
Examination number: Guo Shenyu 202 1605 1
Variety name: Dr. Jin 8 18
Applicant: Henan Golden Doctor Seed Industry Co., Ltd.
Breeder: Henan Dr. Jin Seed Industry Co., Ltd.
Variety source: Q 1074×HE3
Introduction of Dr. Jin 8 18 Maize Varieties
Jinboshi 8 18 is an improved variety of Jinboshi 8 13, which is an early-maturing maize variety with good drought resistance and virus resistance.
This maize variety is a newly cultivated high-yield and high-quality maize seed, and it is a newly approved maize variety of 202/kloc-0. Let's learn more about the characteristics and yield-related knowledge of this corn variety.
characteristic
① Maturity
This variety belongs to hybrid corn, and its average growth period is 132 days, which is 3 days longer than that of the control Yudan No.8.
② Plant types
Dr. Jin 8 18 maize has a flat plant type, a plant height of 272 cm, a spike height of 120 cm, a purple leaf sheath, a dark green leaf color and a purple leaf margin.
③ ear of fruit
The average number of branches in the male ear of this maize variety is 10, the glume is light yellow, the anthers are yellow, and the filaments in the female ear are green.
Dr. Jin 8 18 spike length 15.5cm, rows per spike 14.5, and grains per row 39.8. Its spike shape is long and cylindrical, the grain is yellow and hard, the spike axis is white, the weight of 100 grains is 36. 1g, and the seed yield is 77.3%.
④ Inoculation identification
Dr. Jin 8 18 is resistant to maize gray leaf spot, sheath blight, leaf spot, stem rot, ear rot, leaf spot and southern rust.
⑤ component determination
Dr. Jin's 8 18 maize variety has a grain bulk density of 803g/L, crude protein content 10.70%, crude fat content of 4.66%, crude starch content of 72.78% and lysine content of 0.28%.
reproducing area
Dr. Jin's 8 18 corn is suitable for planting in Henan along the Yellow River, southern Shandong, Huaibei Jiangsu, Huaihe Anhui and Huaibei.
Yield performance
During 20 19~2020, we participated in the green channel regional test of middle-early maturity spring maize group in East China and North China. The average yield per mu of Dr. Jin 8 18 was 754.6 kg, which was 4.5% higher than that of the control Xinxin 1.
In the production test in 2020, the average yield per mu of Dr. Jin's 8 18 corn was 769.7 kg, which was 7. 1% higher than that of the check Xinxin1.
Key points of cultivation techniques
The accumulated temperature of 1 and Dr. Jin 8 18 corn seeds is 2450℃-2500℃, which can be planted in the lower limit of the second accumulated temperature zone and the upper limit of the third accumulated temperature zone in Heilongjiang Province.
2. The suitable sowing time of Dr. Jin's 8 18 maize seeds is from April 20th to May15th, and the planting density is about 4,500 plants per mu.
3. In field management, farmers need to pay attention to the prevention and control of leaf blight, head smut, gray leaf spot and ear rot.