Introduction to the Characteristics of the Shaojia 1 Early Indica Rice Variety

In 2001 and 2002, this variety had an average yield of 419.1 kg per mu over the two years, an increase of 5.41% compared with the control "Jiayu 948"; the average full growth period in the two-year regional trial was 108.5 days, 0.8 days longer than that of "Jiayu 948"; plant height was 82.4 cm, effective panicles per mu were 248,000, total grains per panicle were 96, filled grains per panicle were 78.7, seed setting rate was 82%, and 1000-grain weight was 25.7 g. According to the 2001 identification results of the Institute of Plant Protection, Zhejiang Academy of Agricultural Sciences, the average grade of leaf blast was 1.5, the average grade of panicle blast was 6.2, the loss rate from panicle blast was 9.1%, and the average grade of bacterial blight was 7. According to the 2002 analysis results of the Rice and Rice Products Quality Supervision, Inspection and Testing Center of the Ministry of Agriculture, the head rice rate was 51.4%, the milled rice rate was 71.8%, the chalky grain rate was 0, the chalkiness degree was 0, the amylose content was 15.7%, the length-to-width ratio was 3.4, the alkali spreading value was grade 6.8, the gel consistency was 82 mm, and the protein content was 9.4%.

This variety matures relatively early, has relatively good lodging resistance, long grain shape, relatively good rice quality, good appearance quality, and moderate resistance to rice blast. It is suitable for promotion and planting in Shaoxing, Huzhou and ecologically similar areas.