Main products of Beijing Academy of Agricultural Sciences Seed Industry Technology Co., Ltd.

Single crystal 28, a variety with high lodging resistance, density tolerance, wide adaptability and drought tolerance. Compact plant type, moderate plant height, good comprehensive disease resistance in the field, neat ear position, mature living culms, high and stable yield. In 2007, the Beijing-Tianjin-Tangshan summer maize area won the first place in the national high-yield competition, and reached the level of per mu 1000 kg in many areas. It has passed the examination (approval) of the state, Beijing, Tianjin, Hebei and Inner Mongolia. It is the main variety in Beijing-Tianjin-Tangshan area and recommended by the Ministry of Agriculture. The national cumulative promotion area is 6.5438+0.044 million mu, increasing grain output by more than 520 million kilograms and creating an output value of more than 680 million yuan. Suitable for planting in Beijing-Tianjin-Tangshan, Hebei, Inner Mongolia and the first and second accumulated temperature zones of Heilongjiang.

Jingke 25, the growth period of spring sowing in Beijing-Tianjin-Tangshan area is about 125- 128 days, and summer sowing is 96 days. The plant height is about 260 cm, the seeds are red, orange and yellow, shiny, with high bulk density, hard and horny, and good quality. Uniform panicle, strong comprehensive resistance, mature living stalks, especially drought-resistant and barren-resistant; It is one of the main maize varieties planted in Beijing, Tianjin and Tangshan in summer. Passed the examination (approval) of the state, Beijing and Henan. Suitable for planting in Hebei, Beijing, Tianjin, Henan, Shanxi, Shandong and other places.

Single crystal 68, the latest national trial variety in Beijing, Tianjin and Tangshan, has a growth period of 98 days. The plant type is compact, the plant height is 247 cm, the ear position is 99 cm, and the number of leaves is 20. The panicle is tubular, the panicle length is 17.43 cm, the number of rows per panicle is 14, the panicle axis is white, the grain is yellow and half-horse-toothed, and the 100-grain weight is 41.48 g. It is highly resistant to leaf blight and small leaf blight, and moderately resistant to stem rot. The results of regional trials in Beijing, Tianjin and Tangshan showed that the yield per mu was 643.8 kg, which was 8.69% higher than that of the control Jingyu 7. In the production test in 2009, the average yield per mu was 674.7 kg, which was 15.2% higher than that of the control Jingyu 7. Suitable for planting in Beijing, Tianjin and parts of Hebei.

Jinghua No.8, approved in Inner Mongolia on 20 10, has a regional trial growth period of 127.3 days, a plant height of 258cm, an ear position of 100cm and 22 leaves. Spike length 18.6cm, spike thickness 5.0cm, rows per spike 14, grains per row 37.9, grains per spike 524, and grain weight per spike 206.1g. The seeds are hard yellow, weighing 42.4 grams, and the average yield per mu is 784.3 kg in 2008 and 809.5 kg in 2009, which is 5.9% higher than the control variety Sidan 19. In 2009, the demonstration yield per mu in jing xing Town, Longjiang County, Heilongjiang Province reached 858 kg. Suitable for planting in Erdos City and Baotou City of Inner Mongolia Autonomous Region.

Jingkenuo 2000, with large ears and good goods; High yield, disease resistance and wide adaptability; After processing, the taste is soft, sweet and waxy, and the quality is excellent. It has been widely popularized in various waxy corn producing areas in China. Approved by the state, Beijing and South Korea. This is the first maize variety approved abroad in China. At present, it is the main waxy corn variety popularized in China and South Korea. It is suitable for planting fresh or miscellaneous waxy corn in the main corn planting areas in China.