Wuchang Rice Research Institute, Academy of Sciences

Breeder: Wuchang Rice Research Institute, Heilongjiang Academy of Agricultural Sciences

Variety source: Jijing 88 was used as the female parent and Songjing 12 was the male parent, which was bred by pedigree method.

Characteristics: Ordinary japonica rice. In the adapted area, the number of days from emergence to maturity is about 144 days, and the active accumulated temperature of ≥10℃ is about 2700℃. The main stem of this variety is 14 leaves, long-grain type, plant height is about 109 cm, ear length is about 20.7 cm, the number of grains per ear is about 129, and the thousand-grain weight is about 24.5 grams. Quality analysis results: the roughness rate is 79.5%, the whole rice rate is 66.0%, the chalky grain rice rate is 10.0%, the chalkiness is 1.9%, the amylose content (dry basis) is 17.7%, the gel consistency is 81.1 mm, and the taste quality is 90 points. , Crude protein (dry basis) 6.7%, reaching the first level of the national standard of "High Quality Rice". The three-year disease resistance inoculation identification results: leaf blast 2 to 5, ear neck blast 1 to 3 levels. Three-year cold resistance appraisal result: the processing rate of empty shells is 6.52%～18.08%.

Yield performance: From 2016 to 2017, the average hectare yield in the regional test was 7974.2 kg, an increase of 3.5% compared to the control variety; the average hectare yield in the production test in 2018 was 7933.2 kg, an increase of 5.3% compared to the control variety Longdao 18.

Cultivation technical points: In the adapted area, the sowing period is from April 8th to April 15th, and the seedling period is from May 13th to May 18th. The seedling age is about 35 days. The seedling size is 30cm×16.7cm, 3～4 per hole. Strain. Generally, 120 kg of pure nitrogen is applied to a hectare, nitrogen: phosphorus: potassium = 2:1:1. Phosphate fertilizers are all used as basal fertilizer, and potassium fertilizer is applied twice as basal fertilizer and ear fertilizer, each applying 50%. Nitrogen fertilizer application method: basal fertilizer: tiller fertilizer: ear fertilizer: grain fertilizer=4:3:2:1, basal fertilizer amount: pure nitrogen 48 kg, pure phosphorus 60 kg, pure potassium 30 kg; tiller fertilizer amount: pure nitrogen 36 kg; ear Fertilizer amount: 24 kg of pure nitrogen, 30 kg of pure potassium; granular fertilizer: 12 kg of pure nitrogen. Farming method: adopt a rotating tillage system that combines turning, spinning, and deep loosening. Irrigation method: water-saving irrigation. The harvest period is around September 25.

Opinions: This variety meets the certification standards of Heilongjiang Province rice varieties and has passed the certification. It is suitable for planting in Heilongjiang Province ≥ 10 ℃ active accumulated temperature of 2700 ℃ area.