Liaoxing 14 rice variety (Liaoning Rice Variety Approval No. 177 of 2006)
Bred by the Liaoning Provincial Rice Research Institute in 1999 through artificial hybridization and line selection, using Liao 93-77 as the female parent and Liao 34 as the male parent. Approved by the Liaoning Provincial Crop Variety Approval Committee in 2007.
Characteristics: The growth period of this variety is about 156 days, belonging to the medium-maturity type. At the seedling stage, the leaf color is light green, the leaves are wide, the plant height is 105-110 cm, the plant type is semi-compact, the tillering ability is medium, the main stem has 16 leaves, and the panicle type is loose. The panicle length is 18-20 cm, the number of grains per panicle is 120-140, and the 1000-grain weight is 27.6 g. The glumes are yellow-white and awnless. According to tests by the Rice and Rice Products Quality Supervision, Inspection and Testing Center of the Ministry of Agriculture, the brown rice rate is 83.2%, the milled rice rate is 74.8%, the head rice rate is 67.1%, the grain length is 5.2 mm, the grain length-to-width ratio is 1.9, the chalky grain rate is 38%, the chalkiness degree is 4.8%, the transparency is grade 1, the alkali spreading value is 7, the gel consistency is 82 mm, the amylose content is 17.7%, and the protein content is 8.5%. The rice quality is medium. Field identification and investigation of panicle neck blast showed medium resistance to panicle neck blast.
Yield performance: In 2004-2005, it participated in the regional trial of the medium-maturity rice group in Liaoning Province, with yield increases at 10 sites and yield decreases at 2 sites. The two-year average yield per mu was 602.63 kg, an increase of 8.65% over the control Liaoyan 16; in 2006, it participated in the production trial of the same group, with an average yield per mu of 590.06 kg, an increase of 10.33% over the control Liaojing 371.
Key cultivation techniques: Sow in mid-April, transplant seedlings at the end of May, with a row spacing of 30 cm x 13.4 cm, and plant 4-5 seedlings per hill. Apply 50-60 kg of standard nitrogen fertilizer, 15 kg of phosphate fertilizer, and 1-1.5 kg of potassium fertilizer per mu. Adopt water-saving irrigation techniques with alternating shallow, moist, and dry irrigation.
Suitable areas: Liaoxing 14 is suitable for planting in the medium-maturity rice area north of Shenyang.