The "1331" corn variety generally refers to Dongdan 1331. As a nationally approved corn variety, it has wide adaptability and outstanding characteristics, making it popular among growers. So, what is this variety like? Let's take a brief look at the Dongdan 1331 variety.
1. Approval Number
National Approval Number for Jade 20196034.
2. Breeding units
Liaoning Dongya Seed Industry Co., Ltd.
3. Variety Origin
XC2327×XB1621.
4. Maturity Performance
The Huaihai summer maize group took 102.0 days from emergence to maturity, the same as the control Zhengdan 958.
5. Appearance characteristics
The seedling has purple leaf sheaths, green leaves, and light purple anthers; the plant is compact, 280 cm tall, and has 19 leaves when mature; the filaments are light purple, the ear is cylindrical, 22 cm long; the cob is red, the kernels are yellow and semi-dent, and the weight of 100 kernels is 38.9 g.
6. Variety characteristics
It is safe and stable in yield, highly resistant to disease, insects, and lodging, tolerates dense planting, is extremely drought-resistant, heat-resistant, and tolerant of poor soil, has a low ear position, uniform ear position, uniform ears, no barren tips, thin cob, long kernels, high test weight, and does not lose kernels during machine harvesting.
7. Production Performance
Dongdan 1331 has shown excellent resistance and high yield across the country. Despite three consecutive years of high temperatures in 2016, 2017 and 2018, it still maintained stable and high yields without any signs of barren tips. In fertile and well-irrigated fields, the yield of this variety exceeded 1,100 kg per mu.
8. Planting Prospects
Dongdan 1331 is a high-quality grain and forage variety with a starch content as high as 37.72%, and reasonable levels of fiber and crude protein. When used for whole-plant silage, 65% of the nutrients come from the grain, 10% from intracellular contents, and 25% from digestible fiber. The silage ears are all the same size, allowing for both hay and grain harvesting. The average grain yield is 900 kg per mu (approximately 0.16 acres), indicating promising planting prospects.
9. Suitable planting area
Dongdan 1331 is suitable for summer sowing in Henan Province, Shandong Province, southern and south of Baoding and Cangzhou in Hebei Province, Guanzhong Irrigation Area in Shaanxi Province, Yuncheng and Linfen in Shanxi Province, some plains areas of Jincheng City, Jiangsu and Anhui Provinces north of the Huai River, and Xiangyang area in Hubei Province.
