Demeiya 1 was introduced by Heilongjiang Kenfeng Seed Industry Co., Ltd. from Germany KWS Company, and was approved and popularized by Heilongjiang Variety Approval Committee in 2004.
This combination is an early-maturing maize triple cross with dark green leaves and lodging resistance. Its plant height is 270cm, ear position 100cm, ear length 18-20 cm, ear rows 14, and the number of grains per row is 38. The average grain content in two years is 9.085% of crude protein, 4.67% of crude fat, 73.20% of crude starch and 0.2654% of lysine. Good quality, orange-yellow seeds, 100 seeds weighing 30 grams, bulk density 780 grams/liter, and mature stems.
Extended data:
From 2002 to 2003, the average yield per hectare was 8640.86 kg, which was 65438 07.83% higher than that of the control variety Ka Pitel. In 2003, the average yield per hectare was 765438 029.044 kg, which was 65438 06.8% higher than that of the control variety Ka Pitor.
The growth days of the adaptation area are 105- 1 10d, and the active accumulated temperature is 2 100℃, which is the same as that of Ka Pitor. The suitable planting density is 75,000 ~ 80,000 plants/hectare. It likes fertilizer and water and is suitable for mechanized operation. This combination is suitable for planting in the upper limit of the fourth accumulated temperature zone in Heilongjiang Province.