Qilong Black Bean (Soybean)

Qilong black bean (formerly known as Wupi Qingren bean) was obtained by crossing black soybean as female parent and Xifengqing as male parent in Xinglong Branch of Agricultural seed Farm in Qidong City, Jiangsu Province in 1978. It was selected in 1988 after continuous selection.

Characteristic plant high 60~7Ocm, stout stem, fertilizer and lodging resistance, virus disease resistance, drought tolerance, sub-limited pod setting characteristics, floc, pod brown, pod height 20.5cm, 4 branches, 16. 2nodes per plant, 30 pods per plant, 3 pods, 60 seeds per plant. It was sown in late June, flowered in mid-August, harvested around October 20, and the whole growth period was 130 days. Qilong black bean seed coat, dark green cotyledons, light black navel, oval grain shape, 100 grains weighing more than 32g, large and tidy, good commercial. It has the function of medicinal health care, and has the functions of tonifying blood, nourishing spirit, diuresis and eyesight. According to the analysis of the testing center of Nanjing Agricultural University, the content of amino acid is 37.96% and the content of protein is 46.05%. It is a variety with few large-grain characteristics in the history of soybean cultivation in Nantong area. In 1999, the highest price was 136 yuan per kg5.00, the economic benefit was considerable, and the export trade was very popular.

Yield performance: a variety comparison test was conducted from 1989 to 1990, and the results showed that the yield of 152.6kg per mu was 79.9% higher than that of Wupi green bean in Lanxi, Zhejiang. In the regional trial of vegetable soybean in Jiangsu Province from 1996 to 1997, the average yield per mu was 107.8kg, which was 1.42% higher than that of the control Lubaozhu. In 1998, he took part in the production experiment of provincial vegetable soybean and produced 118.9kg per mu. The average 139.2kg of Xinglong branch of improved seed farm was 6 years from 1993 to 1998, the highest yield per mu in 1995 was 150.8kg, the yield per mu of agricultural team was 175kg, and the lowest average 127.3kg in 1998. From 1995 to 1996, it was planted in a large area in Chongming Jiesha, generally in 125kg, high fields in 150kg, and nearly 30 000 mu of black beans in Qilong.

Breeders Xinglong Branch of Agricultural improved seed Farm in Qidong City, Jiangsu Province

The area and technology were sown before and after June 25, the seed 5kg was used per mu, and the density was 800010 000 plants per mu. Urea 6~7kg was topdressing at the early flowering stage. Timely control of soybean heart borer, improve commodity, harvest anti-cracking pods in time after maturity.