10 you 18 (formerly known as Jinyou 9603 Rice)

Variety source: 10A × R148

Characteristics: this variety belongs to japonica three-line hybrid rice. the whole growth period is 154 days in Huang-Huai area, which is similar to that of Yujing 6. The plant height is 117.7 cm, the total number of grains per panicle is 182.1, the seed setting rate is 76.8%, and the 1000-grain weight is 25.8g. Rice blast is grade 3. Main indicators of rice quality: head rice rate 69%, chalky rice rate 38.5%, chalkiness 5.3%, gel consistency 93 mm, amylose content 15.8%.

In the production test in 2003, the average yield per mu was 528.4 kg, which was 9.1% higher than that of Yujing 6.

Main points of cultivation techniques: 1, cultivate strong seedlings: according to local planting habits and Yujing 6, sowing at the same time, sowing 15 kg per mu, seedling age 30-35 days; 2, transplanting: medium fertility field row plant spacing 23.3 × 13.3cm, 20-2.2 thousand holes per hole, 8-100000 basic seedlings per mu; 3, fertilizer and water management: base fertilizer is mainly organic fertilizer, and sufficient nitrogen, phosphorus and potassium fertilizer are applied. The total amount of nitrogen application is 18-20 kg per mu, and the proportion of base, tiller and panicle fertilizer is 4:4:2. Water slurry management to achieve shallow water transplanting, thin water tillering, timely drying, intermittent irrigation, water cut off 6 days before harvest; 4, control of diseases and insect pests: pay attention to the prevention and control of rice false smut.

Approval opinion: after examination, the variety conforms to the national rice variety approval standard and has been approved. The variety has the advantages of moderate maturity, high yield, good yield stability, medium resistance to rice blast and general rice quality. It is suitable to be planted in the rice areas along the Yellow River in Henan, southern Shandong, Jiangsu, Huaibei, Anhui and Guanzhong, Shaanxi.