The hybrid soybean HS99032 was a new combination of summer soybeans that was constructed using M-type cytoplasmic nuclear interaction male sterile lines in crops of the Anhui Academy of Agricultural Sciences. From 1999 to 2000, comparative tests were conducted in Hefei and Mengcheng. HS99032 produced an average yield of 219.3 kg per mu, which was 35.0% higher than that of the control variety Zhongdou 19. The significant test reached a significant level. The combination has limited habits, plant height 75cm, effective branching 4-5, leaf oval medium size, green, purple, brown hair, seed coat, cotyledon yellow, umbilicai light brown, three or four pods, The number of single plants was 117.6, the number of individual plants was 225, and the weight of 100 kernels was 22.5 g. The growth period was about 101 days. It belonged to the Huanghuai medium maturity summer soybean type. High yield and stable yield, thick stalks, high lodging resistance, resistance to soybean mosaic virus disease, hi fertilizer, high yield potential, wide adaptability, no cracking, resistance to early resistance. It is suitable for cultivation of summer soybeans in Anhui Huaihuai North, North Jiangsu, Southwest Shandong, and Eastern Henan. Cultivation points: 1. Select a field with good fertility conditions, grab the early crop after the wheat harvest in early June as well, suitable for planting density of 8000-10000 plants/mu, planting capacity of 1.5-2.5 kg/mu. 2. Reasonable and sparsely planted, the planting density of middle and upper fertility fields is about 10,000 per acre, and the average sowing volume is 2-3 kg per acre. 3. The top dressing is applied to ensure that the fertilizer and water supply during the flowering stage is the key to high yield. Applying a small amount of urea at the early flowering stage (usually 45-75 kg/ha) can significantly increase the number of pods and increase the number of pods and 100-grain weight. 4. Timely irrigation, strengthen field management and prevention of diseases and weeds, make transplanted seedlings to make up for shortages, prevent and control pests and weeds at the right time, and appropriate fertilizer irrigation at the early flowering stage and pod filling stage to ensure individuals are robust. Group coordination, timely harvest after ripening, ensure high yields.
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