Mianmai 45

Characteristics: spring, medium maturity, the whole growth period is about 193 days. The seedling is semi-erect, the tillering ability is strong, the leaf color is light green, the seedling leaf at the base of the plant is yellowed in winter, and the growth is vigorous. The plant height is about 80 cm, the plant is compact and neat, and the adult leaves are raised obliquely with medium length and width. The ear layer is medium and neat, and the fruit is good. The spike is oblong, long awn, white shell, light red grain, horny-half horny, uniform and full. The average number of ears per mu is 255000 ears, the number of grains per ear is 35.9g, and the weight of 1000 grains is 43.9g. Disease resistance identification: powdery mildew immunity, high resistance to stripe rust, slow leaf rust, high susceptibility to scab. In 2005 and 2006, the mixed samples were determined: bulk weight 750g / L, 755g / L, protein (dry base) content 12.10%, 13.48%, wet gluten content 21.9%, 22.5%, sedimentation value 16.8ml, 19.1ml, water absorption 53.3%, 56.8%, stability time 2.1min, 1.7min, maximum extension resistance 115E.U, 105E.U, extensibility 14.8cm, 13.8cm. The stretched area is 22.9 square centimeters and 19.7 square centimeters.

Yield performance: participated in the regional trial of winter wheat varieties in the upper reaches of the Yangtze River from 2004 to 2005, the average yield per mu was 371.6 kg, 6.2% higher than the control Chuanmai 107, 6.2% higher than the control Chuanmai 107. the average yield per mu was 381.5 kg, 3.4% higher than the control Chuanmai 107. In the production test from 2006 to 2007, the average yield per mu was 384.7 kg, which was 8.52% higher than that of the local control varieties.

Key points of cultivation techniques: the Beginning of Winter sowed before and after sowing, suitable for basic seedlings of 120000 ~ 160000 seedlings per mu, cultivated under the condition of high fertilizer and water. Pay attention to the prevention and control of scab.