Introduction to the Chuannong Mai No. 1 Wheat Variety and Key Points for High-Yield Cultivation

Variety source: Mianyang 11 x Chuannong 84-1

Breeding institution: Sichuan Agricultural University

Characteristics: spring type, early maturing, growth period of about 190 days. Seedlings semi-erect, strong tillering ability, plant height 80 cm, strong lodging resistance. Spike rectangular, short awns, white glumes. Grain oval, grain color light red, semi-hard, 1000-grain weight 46.5 g. Test weight 785 g/l, protein content 12.2%, wet gluten content 19.8%, sedimentation value 12.8 ml, water absorption 55.9%, stability time 1.5 minutes. Resistant to stripe rust, moderately susceptible to powdery mildew, highly susceptible to Fusarium head blight.

Yield performance: In the national screening trial in the Yangtze River basin, the average yield in 1996 was 324.8 kg per mu, an increase of 12.91% over the control Yangmai No. 5, a highly significant difference; in 1997 the average yield was 298.3 kg per mu, an increase of 7.55% over the control Yangmai No. 5, a non-significant difference. In production trials, the average yield at 4 sites in Sichuan in 1994 was 280 kg per mu, an increase of 6.3% over the control 80-8; in 1997 the average yield at 3 sites in Yunnan was 418.5 kg per mu, an increase of 24.8% over the unified control Yangmai No. 5 and 8.07% over the second control Mianyang No. 19.

Cultivation points: The suitable sowing period is from the end of October to the beginning of November. Basic seedling population 140,000-180,000 per mu.

Suitable regions: Suitable for planting in medium to high fertility and water conditions in Hubei, Sichuan, Yunnan and other provinces in the middle and upper reaches of the Yangtze River, with timely control of aphid damage in the later stage.