Chuannongmai No. 1

Variety source Mianyang 11 × Chuannong 84-1

Breeding unit: Sichuan Agricultural University

The characteristic is spring, precocious, and the growth period is about 190 days. The seedlings are semi-erect, strong in tillering ability, 80cm in plant height and strong in lodging resistance. Spike oblong, short awn, white shell. The grain is oval, the grain color is light red, half-horned, and the 1000-grain weight is 46.5 g. Bulk density 785gl, protein content 12.2%, wet gluten content 19.8%, sedimentation value 12.8ml, water absorption 55.9%, stability time 1.5 minutes. Resistant to stripe rust, moderately susceptible to powdery mildew, highly susceptible to scab.

The yield showed that in the national screening test in the Yangtze River Basin, the average yield per mu in 1996 was 12.91% higher than that of the control Yangmai 5, and the difference was extremely significant. In 1997, the average yield per mu was 298.3kg, which was 7.55% higher than that of the control Yangmai 5, and the difference was not significant. In the production test, the average yield of 280kg per mu at 4 points in Sichuan in 1994 was 6.3% higher than that of control 80-8. In 1997, the average yield per mu at 3 points in Yunnan was 24.8% higher than that of Yangmai 5, the unified control, and 8.07% higher than that of Mianyang 19, the second control.

The suitable sowing time for cultivation is from the end of October to the first ten days of November. The basic seedling is 14-180000 / mu.

The suitable area is suitable for planting in the middle and upper reaches of the Yangtze River in Hubei, Sichuan, Yunnan and other provinces, and control aphids in time in the later stage.