Introduction Experiment of Maize Seed Zhongke Yu 505
Zhongke Yu 505 is a brand-new corn variety, which is a corn seed invested and developed by Beijing Lianchuang Seed Industry Co., Ltd.
The average yield per mu of this maize variety is 1500 kg, and the highest yield per mu can reach 2778.6 kg. It is a new maize variety with good adaptability, strong disease resistance and stable and high yield.
At present, there are about 4500 corn seeds in a bag on the market. Please consult the official customer service of Zhongke Yu for the specific wholesale price.
Announcement on Examination and Approval of Maize Variety Zhongke Yu 505
Zhongke Yu 505 is a new hybrid maize variety bred by Beijing Lianchuang Seed Industry Co., Ltd. It has been approved by 8 provinces including Shaanxi, Henan, Shandong, Anhui, Hebei and Tianjin since 20 15 and introduced to 3 provinces including Hubei and Jiangsu.
In 20 17, it was approved by the national middle-maturing spring maize region in east and north China, and in 2020, it was approved by the national Huanghuaihai summer maize region, becoming one of the maize varieties with the largest number of approved provinces and the widest suitable planting range. The announcement of the national trial of this corn variety is roughly as follows:
ExaminationNo.: Guo Shen Yu 20206267
Variety name: Zhongke Yu 505
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: CT 1668×CT3354.
Main characteristics of maize seed Keyu 505
① growth period
Zhongkeyu 505, a new maize variety with middle and early maturity, has a full growth period of 132 days in spring sowing and 93 days in summer sowing in Huanghuaihai.
② Strong lodging resistance.
The maize variety Zhongke Yu 505 has a compact plant type. The average plant height of spring sowing is 306, that of summer sowing is 286 cm, and the ear height is 1 13 cm.
Moreover, this kind of corn seed has low short ear position at the lower internode, low plant center of gravity, strong lodging resistance and neat ear position, which is beneficial to mechanized harvesting.
③ Strong disease resistance.
After artificial inoculation on 20 13 and 20 14 by the College of Plant Protection of Henan Agricultural University and Henan Institute of Science and Technology, Zhongke Yu 505 was resistant to Curvularia leaf spot, stem base rot, dwarf mosaic and smut, moderately resistant to corn borer and leaf spot, with good comprehensive disease resistance.
④ Good heat resistance.
Zhongke Yu 505 maize has good heat resistance and large amount of pollen in the tassel. The pollen of this maize variety has strong heat resistance and good pollination at high temperature.
⑤ The ears are even.
The spike of Zhongke Yu 505 corn is tubular, with a spike length of 20.5 cm and rows per spike of about 16. The spike axis is red, thin and deep.
In addition, this corn variety has yellow grain, half horse teeth, 100-grain weight of 37.6 grams, and the seed yield is over 90%, so it is a new corn variety with large ear.
Yield Performance of Maize Variety Zhongke Yu 505
① yield per mu of spring corn
Zhongke Yu 505 is a stable and high-yield maize variety. Participated in the regional trial of spring maize varieties in East China and North China in 20 13 years, with an average yield of 90 1.8 kg per mu.
20 14-20 15 participated in the regional test of mid-maturing spring maize varieties in Northeast China, and the average yield per mu of Zhongke Yu 505 was 9 15.4 kg.
② Yield per mu of summer sowing corn.
505 kinds of Chinese jade participated in the production test in 20 16, with an average yield of 80 1.8 kg per mu. The yield in different areas of Huanghuaihai summer sowing is as follows:
The average yield per mu of summer sowing in Shaanxi is 739. 1 kg; The average yield per mu of summer sowing in Anhui and Jiangsu is 732.6 kg; The average yield per mu of summer sowing planting in Henan is 733. 1 kg; The average yield per mu of summer sowing in Shandong is 699 kg.
Key points of maize seed cultivation in Zhongke Yu 505
1, suitable planting area
Zhongke 505 has good adaptability. Hubei in the south, Inner Mongolia in the north, Ningxia in the west and Shandong in the east can all be planted. The plots with high water and fertilizer content have great potential for increasing production.
2. Planting techniques
Zhongke Yu 505 is suitable for planting in plots with medium fertility and above. Planting from late May to early June, with the planting density of 4500-5000 plants per mu. Harvest the whole ear when the milk line 1/2, and pay attention to the prevention and control of smut.
Warm reminder: The relevant introduction of this article has been sorted out through the network, and the specific information is subject to the introduction of the corresponding seed official website.