Qihuang 31 (soybean original name: Lu 99-7)
Characteristics: White flowers, brown hairs, oval leaves, limited podding habits. The average growth period is 108 days, plant height is 74.1 cm, effective branches are 2.2, effective pods per plant are 49.2, seeds per plant are 86.1, and 100-seed weight is 17.7 grams. Seed coat yellow, light brown navel, oblate ellipsoid. Good disease resistance and lodging resistance. The average crude protein content is 39.44%, and the crude fat content is 22.12%.
Yield performance: in 2002, participated in the regional trial of summer soybean varieties in Huang-Huai-Hai, the average yield per mu was 166.52 kg, which was 7.86% higher than that of the control Ludou 11 (extremely significant); in 2003, the average yield per mu was 190.64 kg, which was 7.28% higher than that of the control Ludou 11 (extremely significant). The average yield per mu in the two-year regional trial was 178.58 kg, 7.55% higher than that of the control Ludou 11. In 2003, we participated in the production experiment of summer soybean varieties in Huang-Huai-Hai, and the average yield per mu was 176.94 kg, which was 8.20% higher than that of the control Ludou 11.
Main points of cultivation techniques: 1. Density: generally protect seedlings 1.5-17000 plants per mu. 2. It is necessary to grab or sow the soil moisture to ensure the whole seedling. Drought watering occurred in branching stage, flowering and pod stage and grain filling stage. 3. It is suitable for planting in fertile land and fertile land. At seedling stage and early flowering stage, diammonium phosphate or compound fertilizer was applied 10-20 kg per mu.
Approval opinion: after examination, this variety conforms to the national soybean variety approval standard and has passed the examination and approval. This variety is a late-maturing variety of summer soybean and is resistant to cyst nematode disease. It is suitable for planting in south-central Shandong, northern Henan, southern Hebei, southern Shanxi and Shaanxi Guanzhong plain.
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Qilong Black Bean (Soybean)
Qilong Wudou (formerly named Wupi Qingrendou) was bred by crossing black soybean as female parent and west wind green as male parent in Xinglong Branch of Agricultural Fine Seed Farm in Qidong City, Jiangsu Province in 1978. It was selected continuously in 1988. Characteristics Plant height 60~ 70 cm, stem stout, fertilizer resistance, virus disease resistance, drought resistance, subfinite pod bearing characteristics, floc, pod brown, pod height 20.5 cm, branches 3~4, main stem node number 16.2, pod bearing 30 per plant, 2 ~3 seeds
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Qihuang 26 (soybean)
It is a mid-late mature summer soybean variety with a growth period of 103 days, limited podding habits, erect convergence of plant shape, plant height of 75 cm, round leaves, white flowers, brown hair, round grains, yellow skin, brown navel, no purple and brown spots, and a 100-grain weight of 18.1 grams. The contents of protein and fat in seeds were 44.08% and 18.36%, respectively. Medium resistance to soybean cyst nematode, mosaic disease and downy mildew. Semi-deciduous, uncracked pods, high lodging resistance, strong adaptability to climate and environment. It passed the crop examination in Shandong Province in March 1999.
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