Characteristics and Traits of the Upland Rice Variety Han 946

This variety was developed by the Institute of Mechanized Tillage and Cultivation of the Liaoning Academy of Agricultural Sciences in 1989 through artificial hybridization, using 89S6091 as the female parent and Lunan Hangu as the male parent. It was approved by the Liaoning Provincial Crop Variety Approval Committee in November 2000.

Characteristics and traits: The color of the seedling leaves is moderate in shade, and the leaves extend upward. Plant height is about 85 cm, the plant type is semi-compact, and tillering ability is medium. Loose panicle, panicle length 17-18 cm, 1000-grain weight 24-25 g, grain is oval-shaped, glume tip is yellow, short awn. Brown rice rate 84.2%, milled rice rate 77.4%, head milled rice rate 65.5%, grain length 4.6 mm, grain length-to-width ratio 1.9, chalkiness rate 26%, chalkiness degree 1.6%, transparency grade 2. Alkali spreading value 7, gel consistency 68 mm, amylose content 15.8%, protein content 10.4%. The growth period is about 130 days, and it requires an effective accumulated temperature of about 2800°C at greater than or equal to 10°C. It has relatively strong lodging resistance and rice blast resistance.

Yield performance. In the two-year Liaoning provincial regional trial from 1995 to 1996, the average yield per mu was 372.15 kg, an increase of 11.23% over the control variety Han 58. From 1997 to 1998, in the Liaoning provincial production trial, the yield per mu was 479.6 kg, an increase of 13.7% over Han 58. The general yield per mu is about 350 kg.