What is the yield and disease resistance of maize seeds in nongda 372? Are you resistant to rust?

Variety name: nongda 372; Characteristics: Yield performance: 20 13-20 14 participated in the regional trial of summer maize varieties in Huang, Huai and Hai, and the average yield per mu for two years was 69 1. 1 kg, an increase of 6.1%compared with the control; The production test in 20 14 years showed that the average yield per mu was 689.3 kg, which was 8.3% higher than that of the control. Inoculation identification showed that it was resistant to Fusarium stem rot and leaf blight, moderately resistant to leaf blight and pythium stem rot, susceptible to Curvularia leaf spot, stem rot and ear rot, and highly susceptible to smut and rough dwarf.

Examination and approval opinions: This variety conforms to the national examination and approval standards for maize varieties, and is suitable for summer sowing and planting in the south of Baoding, Hebei Province, the south of Shanxi Province, Shandong Province, Henan Province, Huaibei, Anhui Province and Guanzhong Irrigation District, Shaanxi Province. Pay attention to the prevention and control of smut and rough dwarf disease.

Nongda 372 is a new variety bred by Professor Song of Beijing Agricultural University in cooperation with Beijing Huaao Nongyu Breeding and Development Co., Ltd. 20 15 passed the national examination and approval, with the approval number of 20 150 14. It is suitable for planting corn in summer sowing areas such as Shandong, Henan, Anhui, northern Jiangsu, southwestern Shanxi and Guanzhong, Shaanxi. It has the characteristics of close planting resistance, lodging resistance, strong disease resistance, early maturity, high yield and fast grain dehydration. It generally takes about 98- 102 days for maize to mature in nongda 372, with compact plant type and developed root system. The number of mature leaves is about 2 1, the plant height is generally 260-280 cm, the ear height is mostly 100- 105 cm, the average ear length is about 22-24 cm and the ear axis is about 10 cm. Strong resistance to maize leaf spot, rust and bacterial wilt, suitable planting density of 4000-5500 plants, yield per mu 1400- 1600 kg, and mature life. Suitable for direct mechanical harvesting. It is not resistant to maize head smut, head smut and maize rough dwarf disease, and it is more susceptible to maize ear rot and Curvularia leaf spot in rainy weather in the later growth stage.

The suitable sowing date for nongda 372 is June 5-15. In the land with medium fertility or above, 3000-4000 mu of farm manure or 200-300 mu of high-quality commercial organic fertilizer (organic matter content above 35%) should be applied, and 60-80 kg of three 15 compound fertilizer should be added. Avoid continuous cropping as much as possible. Before sowing, thiamethoxam or imidacloprid mixed with tebuconazole or difenoconazole was used for conventional seed dressing to prevent thrips, maize rough dwarf disease and smut. Corn should be pulled out in time at the 3-6 leaf stage, and at the same time, chemicals should be sprayed to control thrips and plants around it. Spraying chemicals at 6-8 leaf stage in close planting field, and watering in time in high temperature season in summer to prevent neck drought.