Shenyou 5438 is an indica three-line hybrid rice bred by Hunan Longping Hi-Tech Seed Science Research Institute Co., Ltd., Hunan Longping Seed Industry Co., Ltd. and Hunan Longping Hi-Tech Yahua Cotton Oil Seed Industry Co., Ltd., which is suitable for planting middle-maturing late rice in light epidemic areas of Hunan Province.
Mid-maturing indica three-line hybrid late rice varieties. The whole growth period of Hunan mid-maturing late rice is 1 18.5 days, which is 2.5 days longer than that of the control Yueyou 9 1 13. Plant height 108.5cm, effective panicle per mu 193000, total grains per panicle 162.5, seed setting rate of 82.3%, and 1000-grain weight of 27.5g. ..
Key points of cultivation
Sow around June 23rd, with the sowing amount per mu of paddy field 10 kg, the seed amount per mu of paddy field10.5 kg, and the seedling age within 25 days. The planting density is 20.0 cm× 20.0 cm, and 2 rice seedlings are planted in each hole. Sufficient base fertilizer, fast topdressing, medium-term supplement, combined application of nitrogen, phosphorus and potassium, and appropriate increase in the amount of phosphorus and potassium fertilizer.
Live in deep water, tiller in shallow water, dry the field in time, sprout strong and heading, dry and wet in the later stage, and don't dehydrate too early. Pay attention to the prevention and control of rice blast, bacterial leaf blight, sheath blight, false smut and southern black-streaked dwarf disease.
Reference to the above content: Baidu Encyclopedia-Shen You 5438