Yangfumai 2 (formerly known as Yangfumai 9798) was used as a cross between the Yangmai 158 used in the Lixiahe district of Jiangsu province and the mutant strain 1-9012, and was then (upper left 60) selected by Co-7 radiation irradiation. Made. The variety is of high quality, high yield, multi-resistance, and wide adaptability. It participated in the regional trials in Jiangsu Province and the country. The output was among the highest, and the quality reached the national standard for weak gluten wheat. In 2002, it was approved by the Crop Variety Approval Committee of Jiangsu Province and participated in the 2002-2003 annual national production trials in the middle and lower reaches of the Yangtze River. The variety has acquired the protection of the new variety rights of the country and was announced on the first issue of the "Protection of New Plant Protection of Agricultural Plants" in 2003. First, the output level is high Yangmai No.2 participated in the wheat regional test in the Huainan wheat region of Jiangsu Province in 1999-2001. The output of the two crops ranked first in the two years. The average yield per mu was 420.24kg, which was 5.18% higher than that of the control Yangmai 158. It reached a very significant level. From 2001 to 2002, they continued to participate in the national regional trials, with an average yield of 321.69kg per mu, which was 1.10% higher than that of the control Yangmai 158. During the same period, they participated in the Huainan wheat production trial in Jiangsu Province, with an average yield of 362.10kg per mu, which is higher than the control. Wheat 158 ​​increased production by 6.29%. In a large area of ​​experimental demonstration, Yangfumai 2 also showed good yield. From 2000 to 2001, 1,100 mu were demonstrated at Red Flag Farm in Taizhou, with an average yield of 375 kg per mu, and an increase of 7% compared with Yangmai 158; 1,100 mu were planted at Dafengtou Farm in Dafeng, and the actual yield was 516.45 kg, which increased the production ratio of Yangmai 158. 17.4%. Second, the main features (B) of good quality. Yangfumai No. 2 grain has good commercial property, silty, light skin color, and full grain. According to the inspections of the Ministry of Agriculture's Cereals and Products Quality Supervision, Inspection and Testing Center and the Food, Oil and Food Inspection Center of Nanjing University of Economics, the crude protein content was 11.05%, 9.9%, and wet gluten was 18.9% and 25%, respectively. 0 minutes, 1.8 minutes, a stabilization time of 1.3 minutes and 2.0 minutes, all reached the national standard for weak gluten wheat. (c) Strong resistance. Yangfumai 2 can be planted in the Huainan wheat region in the middle and lower reaches of the Yangtze River. The variety has wide adaptability, strong resistance, and resistance to lodging and lodging is stronger than Yangmai 158. Resistance to stripe rust, leaf rust, sheath blight, and leaf blight were well tolerated, with sheath blight of middle sense, scab, powdery mildew, and sway mosaic disease. The cold resistance is strong, and it is cold in the end. The cold injury of Yangfumai No. 2 is obviously lighter than that of Yangmai 158. Third, cultivation points (B) rational dense planting, optimize the structure of the community. Yangfumai No. 2 is highly productive and has a high percentage of spikes. It is necessary to prevent the excessive number of basic seedlings and cause large groups in the middle and later periods. Tests and demonstrations show that for a plot with a yield of over 450kg per mu, 10-150 thousand basic seedlings per acre are generally preferred. Pesticide-resistant seedlings such as paclobutrazol are used to achieve high yield and super high yield through precision seeding, which is conducive to the formation of weak gluten quality. (c) Fertilizer operations, controlling the amount of nitrogen used in the later period. By appropriately reducing the amount of nitrogenous fertilizers and increasing the use of phosphorus and potassium to increase the rate of return on nitrogen fertilizers, we can meet the needs of low protein and low gluten content in biscuits and cakes for ensuring quality and improve quality. The 450kg per hectare plot usually requires about 15kg of pure nitrogen. Pay attention to the use of organic fertilizers and apply sufficient P and K fertilizers to partially compensate for the loss of yield due to the reduction in the amount of nitrogen fertilizers applied. To facilitate the formation of weak gluten quality, the application rate of base mash can be increased and the amount of nitrogen used in the later period can be controlled. Basal manure fertilizer accounts for more than 70% of total nitrogen, 10% of winter-spring balance fertilizer, and jointing fertilizer does not exceed 20%. (d) Strengthen pest and weed control. We should do a good job of chemical weed control in wheat fields to prevent dark stains on alum; pay attention to early warning of sheath blight, powdery mildew and scab in the middle and later stages. (e) Application of growth regulators. Combining pest control after booting with strong yield-enhancing factors of 15-30g per mu, or 150g of borax, or 200g of potassium dihydrogen phosphate, to increase the carbohydrate content in grains, reduce the protein content of grains, and improve quality. 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(i) Biological characteristics and growth period. The cultivar is spring-like, with a total growth period of 214 days. The seedlings are erect, with strong tillering, fast seedlings, and strong seedlings; 11 leaves of the main stem, 5 elongated joints, plant height of 90--95 cm, spike length 8. 5cm, long oval white shell, ear oval, grain oval; 28-300,000 per acre ear, 40--42 per ear, grain weight 42g; late mature phase is good.
(A) appropriate sowing, competing for seedlings. Yangfumai No. 2 has strong resistance to cold, but it should be planted in due seasons in areas with frequent and severe winter and late spring cold. The suitable sowing period in the Huainan wheat region in Jiangsu is from October 20 to November 5. During this period, efforts are made to strive for early sowing. This will not only be conducive to high yields, but will also help to reduce the protein content of grains and form good weak gluten quality.