Which of the two varieties of Ningmai 13 and Shengsi No. 6 are more suitable for late sowing?

Ningmai 13 and Shengsi 6 are both spring wheat varieties with similar growth periods. Both of them are suitable for planting in Fuyang. The suitable sowing date is from late October to early November. Among them, Ningmai 13 has a better early onset in spring, and it is relatively early for the seedlings to return to green in early spring, and is relatively suitable for late sowing. No. 6 was more resistant to head blight and less resistant to rust and powdery mildew.

Tip: Due to the expansion of planting area of ​​late-seeded rice such as direct-seeded rice and machine-planted rice, the rice planting period in our province has been postponed, which has had an adverse effect on proper sowing of wheat. Production should take measures to ensure that the proper sowing of wheat, sowing too late is not conducive to the normal emergence of wheat, it is difficult to control the basic seedlings, but also is not conducive to the growth of winter wheat and safe winter, the final yield of wheat has a greater impact.

Links: Shengsi No.6 was bred by the Institute of Agricultural Biotechnology of Jiangsu Academy of Agricultural Sciences (bred from the cross between Ningmai No. 8 and Ningmai 9) and passed the national examination and approval in 2009 (certification number: Guoxu Mai 2009004). It is suitable for planting in the middle and lower reaches of the Yangtse River in the middle and lower reaches of the Yangtze River in Jiangsu and Anhui Provinces in the Huainan region of the two provinces of the Yangtze River, Hubei, and Xinyang in Henan.

This species is spring-grown and has a maturity of 2 days later than the control Yangmai 158. Seedlings erect, seedlings dark green leaves, slender leaves uplift at seedling stage, strong tillering power, medium spike rate. The plant height is about 79 cm and the plant type is compact. Spike layer is neat, spike-type, small, long awn, white shell, red grain, silty grain, fuller. The average number of ears per mu is 333,000, the number of ears per spike is 38.6, and the grain weight is 39.2 grams. Resistance is moderately strong. The cold resistance in spring is comparable to the control Yangmai 158. Identification of disease resistance inoculation, high resistance to scab, slow leaf rust, moderate powdery mildew, sheath blight, high sensitivity to stripe rust. Part of the pilot test in field trials showed that powdery mildew, sheath blight, and leaf rust were heavier. 2006-2007 participated in the regional trials of the winter wheat cultivars in the middle and lower reaches of the Yangtze River, with an average yield of 437.6 kilograms, an increase of 4.4% over the control Yangmai 158, and a trial in 2007-2008 with an average yield of 433.6 kilograms, an increase of 0.53 over the control Yangmai 158. %. 2008-2009 annual production test, the average yield of 400.4 kg per mu, an increase of 5.9% over the control. Appropriate sowing date from late October to early November, about 150,000 seedlings per mu. Pay attention to rust, powdery mildew and sheath blight.

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