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Hybrid Rice: Chuan Xiang You 2
1. Excellent agronomic traits This variety belongs to three-line hybrid Japonica rice. The whole growth period of mid-season rice cultivation in the upper reaches of the Yangtze River was 157.4 days, which was 4.1 days longer than that of the control Shanyou 63; the whole growing period of the middle-lower reaches of the Yangtze River was 137.7 days. The comparison of Shuyou 63 was ripe for 2.3 days. The leaf shape is good, the leaf color is dark green, the growth is flourishing, the panicle type is large, and the color is good in the later period. The average plant height was 114.4 cm. The number of effective panicles per acre was 168,000 panicles, the panicle length was 24.6 cm, and the panicles were 181 grains per panicle and the grain weight was 29.1 g. Second, the rice is of high quality, with a Thai rice flavor Chuan Xiangyou 2 rice grain transparent, shiny, with Thai rice flavor, good palatability. According to the Ministry of Agriculture's Rice Quality Supervision, Inspection and Testing Center, the nine key indicators of Chuanxiangyou No. 2 reached the first-grade standard for high quality rice. Rice is medium in softness and hardness, with rich aromas and good palatability. 3. High yield and wide adaptability In 2001, regional trials in Sichuan Province increased production by 4.11% compared with the control Shanyou 63, and the production test in the same year increased 7.8% over the control Shanyou 63. In 2001, it took part in the national regional test, with an average yield of 632.4 kilograms per mu, an increase of 4.24% over the control Shanyou 63, reaching a very significant level. In 2002, the national district experiment had an average yield of 587.9 kilograms, an increase of 6.89% compared with the control Shanyou 63, reaching a very significant level. It is suitable for midseason rice cultivation in a season.