Shanyou 94-4 (Rice)

(1) Variety source: the medium indica late maturing hybrid box combination of Shanyou 94-4 line Neijiang hybrid rice science and technology development center using self-bred restorer line 94-4 and Zhenshan 97A group.

(2) characteristics: the whole growth period of this variety is 146 days, and it is comature with Shanyou 63. The variety has compact plant type, good luxuriancy, 108.2 cm, 23.7cm ear length, 182200 effective ears per mu, 137.2 grains per panicle, seed setting rate 82.7% and 1000-grain weight 26. Nine grams. The brown rice rate is 82%, the milled rice rate is 71.4%, and the head rice rate is 48%. The processing and appearance quality is better than that of the control. According to the identification of resistance to rice blast, leaf blast grade 2-6, neck blast grade 1-5, the resistance was significantly better than that of the control.

(3) yield performance: in the regional trial of Sichuan Province in 1997, the average yield per mu was 564.6 kg, which was 2.74% higher than that of Shanyou 63. In 1998, the average yield per mu was 528.58 kg, 2% higher than that of the control. The average yield was 2.47% higher than that of the control in two years. In 1998, production experiments were carried out in five ecological regions of our province, with an average yield of 569.8 kg per mu, 5.56% higher than that of Shanyou 63.

(4) cultivation points: sowing from mid-late March to early April, sowing early in time, seedling age 40-45 days, sparse sowing and cultivating strong tillers. Planting 1.3-15000 nests per mu, two-plant planting, and 16-200000 effective ears per mu. Heavy bottom early catch up, medium to upper fertilizer and water management.

(5) suitable planting area: suitable for planting in Pingba and hilly areas of our province.