【Main Characters of Varieties】

This variety is a mid-maturity hybrid corn. Under the regional test density of 3000 plants/mu, the seedlings emerge to maturity in 108-134 days, with an average of 120 days, which is equivalent to the control. The first sheath is purple, the plant is semi-compact, the plant height is 288 cm, and the ear The height is 108 cm, the leaf color is dark green, the number of adult leaves is 17, the anther is light purple, the glume is green, the filament is light purple; the ear length is 19.8 cm, the number of rows is 18-20, the number of rows is 34.7; the ear shape The barrel type, the cob is white, the grain is yellow, and the half horse tooth type. The weight of 100 grains is 31.9 grams. The main quality indicators: grain weight 763 g/l, crude protein content 12.05%, crude fat content 4.26%, crude starch content 72.63%, and lysine content 0.33%.

【Adaptability】

Chongqing: The average yield per mu in the two-year regional trial was 538.3 kg, which was 8.1% higher than the control Yudan 8, and the yield varied from 452.3 to 642.8 kg. All 16 test sites increased production; the average yield per mu in the production test was 553.5 kg, which was higher than the control Yudan 8. The output of No. 1 increased by 6.4%, the output ranged from 436.0 to 648.5 kg, and 4 of 5 pilots increased and 1 decreased. Resistance evaluation: Two years of inoculation identification, moderate resistance to large spot disease, sheath blight, stem rot and ear rot, and susceptible to small spot disease and head smut.

Sichuan: In 2017, the average growth period of the 10 pilots was 117 days; the average yield per mu was 636.7 kg, which was an increase of 5.3% compared to the control single 30.

Guizhou: In 2017, the average growth period of the 8 pilots of the introduction experiment was 125.1 days; the average yield was 644.4 kg per mu, which was 7.7% higher than the control single 808, and the yield rate was 100%.

【Main cultivation measures】

Cultivation points: It is advisable to plant seedlings in early and mid-March, with a planting density of about 3000 plants per mu.

[Suitable area for planting]

It is suitable for planting in areas below 700 meters above sea level in Chongqing. Changsha City, Hengyang City, Xiangtan City, Shaoyang City, Yueyang City, Changde City, Zhangjiajie City, Yiyang City, Chenzhou City, Yongzhou City, Huaihua City, Loudi City, Xiangxi Autonomous Prefecture corn area introduced. Spring corn type area in Pingba hilly area in Sichuan Province. Guiyang City, Zunyi City, Qiandongnan Prefecture, Qiannan Prefecture, Tongren City, and Jinsha County of Bijie City are areas with medium and above fertile soil below 1,500 meters above sea level in Guizhou Province. Spring maize is introduced in mountainous and hilly areas at an altitude of 800 meters and below in the western part of Hubei Province. The four prefectures of Zhaotong City, Kunming City, Lijiang City, and Dehong Prefecture in Yunnan Province are between 1,000 and 2,000 meters above sea level, and Chuxiong Prefecture, Dali Prefecture, Baoshan City, Lincang City, Pu'er City, and Qujing City are 1,000-2,000 meters above sea level Corn growing area.