Brief introduction of Bixiang 199 corn seeds

Bixiang 199 (national examination number: National Examination Jade 202 105 10) is a hybrid corn seed, which is suitable for planting in Liaoning, Ningxia, Inner Mongolia, Hebei and other regions. This variety has passed the national approval standard, the whole growth period is 128- 129 days, and the suitable planting time is April-May.

Bixiang 199 National Examination Number of Corn Seeds

Examination number: Guo Shenyu 202 105 10.

Variety name: Bixiang 199

Applicant: Beijing Huanong Ye Wei Seed Technology Co., Ltd.

Breeder: Beijing Huanong Ye Wei Seed Technology Co., Ltd.

Variety source: B 189×B609

Examination and approval opinion: This variety conforms to the national maize variety examination and approval standard and has passed the examination and approval.

Characteristics of Bixiang 199 Maize Varieties

varietal characteristic

① Maturity

Bixiang 199 maize varieties appeared in the northwest spring maize population, and the maturity period was 139.0 days, which was equivalent to the control Xianyu 335.

② Seedlings

Bixiang 199 maize seedlings have purple leaf sheath, green leaves, purple leaf margin, purple anther and green glume.

③ Plant types

Bixiang 199 has a compact plant type, with a plant height of 299 cm and an ear height of 1 10 cm.

④ ear of fruit

Bixiang 199 corn has a cylindrical ear length, ear length 19.8 cm, rows per ear 16~ 18, red ear axis, yellow half-horse teeth and 100-grain weight of 38.3 grams.

⑤ component determination

The bulk density of Bixiang 199 corn D is 762g/L, the crude protein content is 8.5 1%, the crude fat content is 3.95%, the crude starch content is 75.40%, and the lysine content is 0.30%.

⑥ Seed accumulated temperature

Bixiang 199 corn seeds are suitable for planting in the first accumulated temperature zone in Heilongjiang, and the required effective accumulated temperature is between 2600℃ and 2650℃.

Inoculation identification

Bixiang 199 maize is highly susceptible to leaf blight and head smut, moderately resistant to stem rot and highly susceptible to ear rot.

Yield performance

From 2019 to 2020, Bixiang 199 corn participated in the regional test of Northwest Spring Corn Group Consortium, and the average yield per mu for two years was 1065.9 kg, which was 4.6% higher than that of the control Xianyu 335.

In the production test in 2020, the average yield per mu of Bixiang 199 corn was 10 15.8 kg, which was 4.6% higher than that of the control Xianyu 335.

Key points of cultivation techniques

Bixiang 199 corn is suitable for sowing from late April to early May, and the planting density is about 5500 plants per mu, which is suitable for early sowing.

Generally, this maize variety should be planted in medium or high fertility plots, and attention should be paid to the prevention and control of head smut and ear rot in field management, and it should be used with caution in areas with high incidence of leaf blight.

Suitable planting area

Bixiang 199 corn is suitable for planting in Bayannaoer City, Inner Mongolia and most areas of Ordos City in the northwest spring corn area.

In addition, Yulin, Yan 'an, Ningxia Yellow River Diversion Irrigation Area, Longnan, Tianshui, Qingyang, Pingliang, Baiyin, Dingxi, Linxia, Wuwei, Zhangye and Jiuquan are also suitable for planting.

But also suitable for planting Bixiang 199 corn in the western part of fukang city, the eastern part of Bole, the Tianshan Mountains in northern Xinjiang and the western plain of Yili.

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.